The air leak at the International Space Station was first detected in August 2020 in the Zvezda module.

The leak was caused by a crack in the module, likely due to age and outdated technology.

The air leak rate decreased from 325 grams per day to 0.47 kg per day after Zvezda module repairs in March 2021.

Cosmonauts Sergey Ryzhikov and Sergey Kud-Sverchkov used special sealant to fill the hole and seal the leak.

The repair materials, including special sealants and sticky tape, were sent to the International Space Station on a Progress cargo vehicle.

The air leak was isolated in February 2021, with the search stopping in April and resuming in July.

The crack was sealed in March 2021, though air leakage persisted.

The oxygen production system compensated for the pressure drop caused by the air leak on the International Space Station.

The repair work, coordinated with RSC Energia, saved an estimated $150 billion.

The Zvezda module was isolated during the air leak search, allowing the crew to continue working.

The air leak was fixed, and the International Space Station could continue operating safely.

The incident highlighted the need for regular ISS maintenance, prompting Roscosmos to develop new orbital structures due to the ISS's age.

The air leak investigation and repair showcased NASA and Roscosmos' collaboration to ensure the ISS' safe operation.

The air leak posed no risk to the crew, but raised concerns about the ISS's safety and viability.

Leak detectors found the air leak, but not the microcracks, on the ISS.

The ISS experienced another air leak in 2019 from a crack in the Russian segment Zvezda that astronauts sealed, but the leak persisted.

The Russian cosmonauts led the detection and repair efforts, and NASA considered isolating the Zvezda module if necessary.

Roscosmos and NASA worked together to fix the leak after the Russian agency found NASA's concerns unfounded.

The air leak at the International Space Station was first detected in August 2020 in the Zvezda module.

Title:

Content: How did a bag of tea help astronauts save $150 billion?
How did a bag of tea help astronauts save $150 billion?
A few years ago, a torn bag helped save the ISS
The International Space Station was built in 1998 for $150 billion.
Every year, another 3-4 billion dollars are spent to maintain its operability, but the design is already very old and needs repair more and more often.
For example, in August 2020, a pressure drop was recorded aboard the space station, which is a sign of an air leak.
All astronauts and cosmonauts on board were isolated in the Russian Zvezda module.
After some time, it was found out that the air-permeable crack was in the module in which the entire crew temporarily settled.
One of the Russian cosmonauts was able to quickly find the place of leakage with the help of a usual tea bag.
Oxygen on the ISS
According to the India Times, the space station loses about 250 grams of oxygen every day and this is normal - it is difficult to achieve complete tightness.
In the event of an acute shortage of oxygen, it is delivered by cargo ships, but is most often produced directly at the station.
In the second case, members of the ISS use electrolysis - an electric current is passed through the water, as a result of which oxygen appears.
To do this, on board there is a life support system ECLSS, which not only monitors the operation of the station, but also provides people with access to water, protects against fires and so on.
ECLSS technical director Robyn Carrasquillo once praised Russia for using a way to extract moisture from the air, even in the old Salyut and Mir spacecraft.
ECLSS system
Oxygen leakage to the ISS
In August 2020, the space station began to lose about a kilogram of air per day.
The situation was serious, but the lives of the ISS crew were not threatened.
Astronauts from different countries temporarily began to live in the Russian module “Zvezda ” and for four days searched for a leak in other parts of the station.
The search did not give any results, so it became clear that the gap is in the Zvezda module launched more than 20 years ago.
The leak could have occurred for various reasons, for example, due to the collision of the ISS with space debris, which is a lot in near-Earth space.
Also, it was not excluded that seals simply peeled off from the walls of the station, which just do not allow oxygen to leak.
ISS module "Zvezda"
Search for the place of oxygen leakage
An unusual way to find the leak was found by cosmonaut Anatoly Ivanishin.
He installed several cameras in the module and opened the tea bag.
After some time, the ISS members noticed that the tea leaves began to move slowly towards one of the metal walls of the module.
After studying the trajectory of the leaves, the space crew quickly found the crack formed on the ISS.
First, they taped this place with tape, and then got permission to use a drill and sealant.
It is known that thanks to the trick with a package of tea, the astronauts managed to save about 150 billion dollars.
Russian cosmonaut Anatoly Ivanishin
The International Space Station is aging and will one day become completely unusable – that ’ s a fact.
New cracks were discovered even in 2021.
Especially there are many of them in the Russian module “Zarya ”, which was launched into space in 1998 and today is the oldest part of the station.
More recently, Vladimir Solovyov, General Designer of the Energia Rocket and Space Corporation, announced his concerns about the safety of the station.
It is especially frightening that the station is planned to be used even after 2025.
In theory, the use of the old station could cause a terrible disaster.
ISS module "Zarya"
Finally, I note that to replace the old module "Dawn" it was planned to send the module "Science".
But it became an independent module and docked to the ISS in July 2021.
The docking was far from perfect - the module deployed the station at 45 degrees.
19 october 2021 /
• 0
Similar news
Why not bring alcohol to the ISS?
Alcohol is officially banned on the ISS, but space researchers have found many ways to carry it with them.
Cognac is very popular with them, but it makes no sense to take beer with you.
And all
China has launched an apparatus to collect lunar soil.
When will he return to Earth?
China has successfully launched to the moon the apparatus “Chang ’ e-5 ” to collect soil samples.
This is the first such mission in 44 years, and if all goes well, China will become the third country to do so.
Russia is developing its own space station.
What will it look like?
The International Space Station was launched into orbit around our planet in 1998.
Initially, it was planned that it will work for 20 years, but subsequently the period of its use was extended.
According to the opinion
On the ISS found a place of air leakage.
What's next?
Inside the International Space Station live astronauts from different countries and they all need oxygen.
The air necessary for the life of the crew is produced by special equipment, but
Space debris nearly damaged the ISS.
How did it all work out?
Humanity began to actively explore space with the help of complex technology around the middle of the 20th century.
First, hundreds were launched into Earth orbit every year, and then thousands began to be launched.
How does space affect human vision and movement?
the brain, like the heart, is one of the main organs of the human body.
It consists of many areas, each of which has certain tasks.
Take the brain for example, this
Comments
Popular news
Immersive exhibition of Claude Monet - a complete immersion in the world of the great impressionist In 2023, NASA will launch a new lunar rover VIPER into space.
What's he gonna do?
The Vasimr nuclear rocket will take humans to Mars in one month.
Frank Woolworth, creator of price tags and supermarkets Developed the smallest aircraft.
What is it for? A Japanese cafe became famous all over the world with a toilet in the aquarium "Rain Drops" by Samuel Salcedo in the park of the city of EtretaThis picture of Renoir made a lot of noise... and three times!

The leak was caused by a crack in the module, likely due to age and outdated technology.

Title:

Content: In the world
News of Moscow
Politics
Society
Accidents
Science and technology
Show business
Army
Games
Russia and the United States will determine the causes of cracks that are looking for on the ISS from 2020
Russian and American experts during the meeting determine the reasons that led to the formation of cracks in the transition chamber (PrK) of the service module "Star" of the Russian segment of the ISS.
This was announced on Wednesday by the chief specialist (RSC) "Energy" (included in).
Photo: TASSTASS
“Now there is a meeting with American partners, why they [cracks] formed.
The first factor is age, <... > the second is technological solutions that eventually led to cracks, "Spirin said at the XLVII Academic Readings on Cosmonautics in memory of S. P. Korolev.
Video of the day
According to him, the leakage rate for the station is 325 grams per day.
“We stayed until 2019.
When the PrK was closed, we entered this norm, "the expert explained, stressing that if the camera is isolated and opened extremely rarely, then you can continue to fly to the ISS.
According to the presentation presented by Spirin, since the start of work on the search for the leak in September 2020, the damage to the shell has been localized and eliminated in three places.
"As a result of the work, the rate of air leakage from PrK was consistently reduced from 1.14 kg per day to 0.47 kg per day on a permanent basis and to 0.3 kg per day - on a temporary basis," the presentation emphasizes.
In March 2021, cosmonauts Roscosmos and Sergey Kud-Sverchkov carried out repair and restoration work on the housing of the Zvezda module, where they found a crack and a number of possible leaks.
All actions were carried out under the leadership of the Main Operational Group of the ISS Russian Segment and RSC Energia engineers and coordinated with specialists.
In mid-April 2022, a Roscosmos cosmonaut told reporters that air leakage had decreased three times after sealing the cracks.
XLVII Academic Readings on Cosmonautics in memory of S. P. Korolev (Royal Readings) are held at the Bauman Moscow State Technical University from January 24 to 27.

The air leak rate decreased from 325 grams per day to 0.47 kg per day after Zvezda module repairs in March 2021.

Cosmonauts Sergey Ryzhikov and Sergey Kud-Sverchkov used special sealant to fill the hole and seal the leak.

Title:

Content: In another module of the ISS astronauts found cracks
09: 29 08 / 30 / 2021
Astronauts discovered new non-through cracks in the ISS module.
© Photo: Roscosmos
Read us on:
General designer of the Rocket and Space Corporation Energia, the head of the flight of the Russian segment of the ISS, cosmonaut, twice Hero of the Soviet Union Vladimir Solovyov said that cosmonauts during the survey of the Russian segment of the ISS discovered new non-through cracks in the first and oldest module of the Zarya station.
"Several such places with non-through cracks were found in the Zarya module," Solovyov told RIA Novosti.
This situation, according to Solovyov, he does not like.
Previously discovered through cracks in another module “Star ”, according to the General designer, over time can spread and in the“ Dawn ”.
For the first time, an air leak at the station was detected in August last year.
After a while, the crack was closed, the pressure began to decrease more slowly.
In March 2021, cosmonauts carried out repair and restoration work in the Zvezda module, covering two cracks with sealant.
IN OTHER CMI
Loading...
You will be interested
Expert opinion and analytics
Read more
read below the following news

The repair materials, including special sealants and sticky tape, were sent to the International Space Station on a Progress cargo vehicle.

Title:

Content: Possible location of air leak from the International Space Station
Space
International Space Station
Copy Link https: / / www.rt.com / s7a8
The media office of the Roscosmos Foundation announced that the Russian cosmonauts discovered in the unit "Zvezda", the possible place of air leakage from the International Space Station.
According to the information office, the materials and equipment needed to repair this place will be sent aboard the Progress cargo vehicle.
"The equipment and materials necessary to stop air leakage will be sent with the first Progress cargo vehicle launched to the International Space Station, to solve this problem once and for all," the statement said.
Astronauts Peter Dobrov and Anton Shkaplerov discovered the possible location of the air leak in December in the middle chamber of the Zvezda unit.
NASA has said it is considering isolating the Zvezda module completely if necessary.
The Roscosmos media office commented: “The concerns of our partners are unfounded and surprising. ”
Source: Novosti
Agree.
This website uses cookies. You can read the terms of use to activate this feature by clicking here

The air leak was isolated in February 2021, with the search stopping in April and resuming in July.

Title:

Content: NASA reported on the possible isolation of the module “Star ” on the ISS
The module of the International Space Station (ISS) “Star ” can be isolated forever if it is not possible to eliminate air leakage, reports“ Interfax ” with reference to NASA Director for the ISS program Robin Gatens.
“In the worst case scenario, we can permanently isolate this module, ” she said at a meeting of the committee on space exploration and manned flights of the Advisory Board of NASA.
At the same time, Gatens stressed that the situation with the Zvezda module does not pose a serious threat, there is a sufficient supply of air at the station.
The head of the press service of Roscosmos Dmitry Strugovets recalled that Russian cosmonauts Peter Dubrov and Anton Shkaplerov in late December found a possible last place of air leakage in the intermediate chamber of the service module “Star ”.
Necessary to eliminate leakage means are planned to be delivered on the nearest cargo ship "Progress".
“The concern of our partners is unreasonable and surprising, ” he said (quoted by TASS).
The first crack in the intermediate chamber of the “Star ” cosmonauts discovered in October 2020.
It was sealed in March of this year, but the leakage of oxygen did not stop, although it decreased.
In total, three locations were found, including in the Zvezda intermediate chamber, where cracks could potentially form.
On February 24, 2021, the crew made a temporary isolation of all potential cracks to find out exactly whether there was a leak in these places.
At the end of April, the search was temporarily stopped, and the hatch in the compartment was closed.
In July, the ISS crew resumed the search for the site of air leakage in the Zvezda module.
Newsletters "Vedomosti" - get the main business news by mail
I want to subscribe

The crack was sealed in March 2021, though air leakage persisted.

Title:

Content: Links for simplified access
ISS crew reports smoke and smell of burnt plastic
In the Russian module “Zvezda ” on the International space station (ISS) last night worked fire alarm, reports RIA“ Novosti ” with reference to the negotiations of the crew with the Earth, which broadcasts NASA.
Around five in the morning Moscow time, cosmonaut Oleg Novitsky told the Mission Control Center about the smoke and smell of burnt plastic.
After that, the devices showed the presence of harmful substances in the area of the medical cabinet in the Zvezda module.
French astronaut Tom Pesquet said that the smell of burnt plastic or electronics also penetrated the American segment of the ISS due to the working ventilation.
The source of the smoke and smell has not yet been identified.
The ISS included a system for removing harmful impurities.
Later, Roscosmos said that the smoke sensor and alarm system worked on the ISS “during automatic recharging of batteries. ”
Currently, all systems of the station are working normally, the department notes.
The Russian service module Zvezda docked to the ISS in July 2000.
Its main frame was built in the 1980s as the core of the Mir-2 space station, which was to replace the Mir station, but then it was decided to use it in the ISS program.
Zvezda allows a crew of three cosmonauts to stay in space, and the module can also dock with the Progress cargo ship, which once every three months delivers the necessary supplies to the station and adjusts its orbit.
In the fall of 2019, an air leak was recorded on the ISS.
A year later, the leakage rate increased fivefold.
Sequential sealing of the station compartments allowed us to establish that the cause of the leak was a crack in the Russian segment of the ISS - Zvezda.
The astronauts sealed it with a sealant, but the air leak continued.
Recently, during the survey of the International Space Station, cosmonauts found non-through cracks on the oldest module - "Dawn".
At the end of July, a meeting of the Presidium of the Scientific and Technical Council of Roscosmos took place, where it was noted that the station is breathing on incense.
The International Space Station will expire in 2024.
Earlier, Vladimir Solovyov, General Designer of the Energia Rocket and Space Corporation, predicted an avalanche of failure of numerous elements at the station after 2025.
This mainly concerns the tightness of the housing and complex computing facilities that have developed their resource, Solovyov noted.
XS
SM
MD
LG

The oxygen production system compensated for the pressure drop caused by the air leak on the International Space Station.

Title:

Content: Astronauts discover cracks in another module of the International Space Station
Space
International Space Station
Copy Link https: / / en.rt.com / r64g
Vladimir Solovyov, chief designer at Energia, announced that astronauts have discovered new blind cracks in the Zaria module, the first and oldest module of the International Space Station.
Solovyov, in an interview with the Russian news agency Novosti, pointed out that the astronauts, during their examination of the units of the Russian sector on the International Space Station, discovered the presence of blind cracks in the old unit "Zaria".
According to him, this does not appeal to him, because the discovery of holes in the former Zvezda unit, indicates that the cracks discovered in the Zaria unit over time will inevitably expand.
In September 2019, astronauts detected a slight air leak from the International Space Station, in October 2020 they discovered cracks in the middle chamber of the Russian Zvezda unit, and in March 2021 they were able to repair them.
In January 2021, Solovyov announced that due to air leakage, the pressure inside the ISS drops by 0.4 mm Hg, which is compensated by pumping oxygen and nitrogen as well as transporting them from Earth.
Source: Novosti
Agree.
This website uses cookies. You can read the terms of use to activate this feature by clicking here

The repair work, coordinated with RSC Energia, saved an estimated $150 billion.

The Zvezda module was isolated during the air leak search, allowing the crew to continue working.

The air leak was fixed, and the International Space Station could continue operating safely.

The incident highlighted the need for regular ISS maintenance, prompting Roscosmos to develop new orbital structures due to the ISS's age.

Title:

Content: 29 Feb, 2024 11:18

Russia comments on space station leak

A NASA official had previously reported that air loss from the Zvezda module had doubled

Air leaking from a segment of the International Space Station (ISS) poses no risk to its crew or the orbital outpost, the Russian space agency Roscosmos has said.

A NASA official had previously reported that the rate at which air was escaping from the satellite's Russian Zvezda module under certain circumstances had doubled. The situation is under control and being constantly monitored, the Roscosmos told Interfax on Wednesday, when asked about remarks by NASA’s ISS program manager, Joel Montalbano,.

”The aging of the station’s structure and the growing need for repair and maintenance work on board require a significant portion of the crew’s time,” Roscosmos said.

Montalbano mentioned the issue during this week’s briefing on the upcoming SpaceX Crew-8 mission, which is scheduled for launch on Friday.

”There is an area in the aft end of the International Space Station. [There is] a small leak. We’ve seen this leak increase about a week before the recent Progress launch and docking,” he said, referring to a Russian automatic supply freighter.

The volume of lost air has increased to about two pounds a day, compared to a pound a day previously, Montalbano said.

”The hatch is closed in that area. It’s not an impact on Crew-8, but I didn’t want anyone to be surprised, if they hear about that later,” he explained.

The use of the module for retrieving the Progress shipment didn’t pose any issues in terms of the leak, he said. The next opening of the hatch is expected in April. While it’s closed, the rest of the station is “solid.”

Technical issues at the ISS are being reported on a regular basis. Roscosmos has said the age of the station is a key reason why it is developing plans for a new purely Russian-manned orbital structure as an alternative to participating in the international project.

Podcasts
0:00
27:58
0:00
26:56

The air leak investigation and repair showcased NASA and Roscosmos' collaboration to ensure the ISS' safe operation.

Title:

Content: The Russian module of the ISS “Zvezda ” can be completely isolated due to air leakage
reads: 670
23.01.2022 23: 30
The Russian Zvezda module, which is one of the modules of the Russian segment of the International Space Station, could be permanently isolated due to air leakage.
This was reported by NASA Director for the ISS Robin Gatens, reports “Interfax ”.
She said that the situation with the module does not yet pose a serious threat to the ISS, but in the worst case, is considering the option of complete isolation of the “Star ”.
According to Gatens, NASA and Roscosmos are working together to eliminate air leakage in the module, but due to the small size of the crack, it is difficult to detect detectors and ultrasonic diagnostic tools.
In turn, Roscosmos said that the concern of their colleagues on the ISS “is not justified and is surprising. ”
According to the Russian Ministry, the cosmonauts found the site of the leak at the end of last month.
They promise to fix the problem when the Progress cargo ship delivers materials to the ISS.
Note that in the Russian segment of the space station repeatedly there were problems and other problems.
For the first time, an air leak in one of the modules was detected in September 2019, in October 2020, a crack was detected in the camera of the Zvezda module.
Recall that earlier it was reported that at the end of July 2021, after docking the Russian module “Science ” to the International space station, it turned on the engines, because of which the station began to move chaotically and for a time lost control over the orientation of the ISS.
Wikipedia: The International Space Station, Inc.
International Space Station (ISS).
ISS) is a manned orbital station used as a multi-purpose space research complex; it is operated from the end of 1998 to the present (the countries agreed to operate through 2024 inclusive, the extension of the period of operation to 2028, 2030 is being considered).
The ISS is a joint international project involving 14 countries: Russia, the United States, Japan, Canada and members of the European Space Agency Belgium, Germany, Denmark, Spain, Italy, the Netherlands, Norway, France, Switzerland, Sweden (originally the participants were Brazil and the United Kingdom).
The ISS is controlled by the Russian segment from the Space Flight Control Center in Korolev, the American segment from the Lyndon Johnson Flight Control Center in Houston.
The European Columbus and Japanese Kibo modules are controlled by the European Space Agency (Oberpfaffenhofen, Germany) and the Japan Aerospace Exploration Agency (Tsukuba).
There is a constant exchange of information between the centers.
Photofact

The air leak posed no risk to the crew, but raised concerns about the ISS's safety and viability.

Leak detectors found the air leak, but not the microcracks, on the ISS.

Title:

Content: NEWS
NEWS
6: 05 PM
Science
Roscosmos said that the causes of microcracks on the ISS are not yet known
Photo: telegram channel "State Corporation" Roscosmos "
The question of the causes of microcracks on the International Space Station (ISS) is still open.
This was announced by the executive director of Roscosmos for manned space programs Sergey Krikalev in an interview with Gazeta.ru.
Krikalev noted that the pressure inside the station varies depending on temperature, humidity, oxygen consumption and carbon dioxide emissions.
And it changes in "a much wider range than from these leaks."
“To see a very small slope of the overall trajectory, it takes time.
You will not see these changes on daily schedules.
Since these are microcracks, no leak detectors detect them.
Nevertheless, we were able to determine the compartment, some of the microcracks are localized, repair work is being carried out, ” Krikalev explained.
According to him, the effect of metal fatigue has nothing to do with it - cracks were not found in loaded places.
Also, according to Krikalev, a number of solutions have been developed to eliminate leaks, but it has not yet been possible to do this until the end.
“We tried to cover these places with a special sticky tape, then we used special sealants.
On Earth, a special technological operation has been developed how to do it.
Leaks decreased, but did not disappear until the end, ” the expert said.
Earlier it became known that the ISS evaded space debris with the help of engines of the Russian module “Star ”.
The engines of the module were turned on at 18: 00 Moscow time.
They worked 21.5 seconds and gave a pulse of 0.3 meters per second.
Currently, the crew of the 69th long-term expedition is working on the ISS, consisting of cosmonauts of the state corporation Sergei Prokopyev, Dmitry Petelin and Andrei Fedyaev, as well as NASA astronauts Francisco Rubio, Stephen Bowen and Woody Hoburg and astronaut of the United Arab Emirates Sultan al-Neyadi.
ISS dodged space debris – “Roscosmos ”
More news — in the telegram channel Moscow 24 Subscribe!
close
Contact Us
Feedback form
Attach file
Send
close

The ISS experienced another air leak in 2019 from a crack in the Russian segment Zvezda that astronauts sealed, but the leak persisted.

The Russian cosmonauts led the detection and repair efforts, and NASA considered isolating the Zvezda module if necessary.

Roscosmos and NASA worked together to fix the leak after the Russian agency found NASA's concerns unfounded.


The air leak at the International Space Station (ISS) was first detected in August 2020, and it was found to be located in the Russian Zvezda module.

The leak was caused by a crack in the Zvezda module, which was launched over 20 years ago, and it was losing about 250 grams of oxygen daily.

The crew isolated in the Russian Zvezda module and used a tea bag to find the air leak, which was then taped and sealed with a drill and sealant.

The air leak incident also occurred in the Russian segment of the ISS, specifically in the tail part of the station, and it posed no threat to the crew or the station.

The leak was observed to have increased the air escape rate from the Zvezda module, with the air loss rate doubling under certain circumstances.

The ISS loses about a kilogram of air per day due to the leak, which is approximately 250 grams of oxygen daily.

The air leak incident did not affect the work of the ISS, and the ship was isolated to mitigate the impact.

The ISS systems were working normally after the air leak incident, but some equipment degradation over time was a concern.

The air leak incident forced NASA to postpone some spacewalks temporarily, but the ISS operations were not heavily impacted by the leak incident.

The crew and the ISS were not in danger due to the leak, and the main thermal control circuit was working in normal mode.

The leak was located in the external backup radiator coolant reserve circuit, which was delivered in 2012.

The Russian space agency, Roscosmos, formed a committee to investigate the air leak incident and identified the person responsible for the fault.

The air leak incident was mitigated by closing the hatch in the affected area, and the crew constantly monitored the air leak situation.

The ISS crew worked to find and eliminate possible leakage sites, and NASA and Roscosmos experts collaborated on the next steps to fix the leak.

The air leak incident was also detected in the Progress MS-21's thermal regulation system, and experts analyzed telemetry to establish the problem.

The air leak incident in the Soyuz MS-09 spacecraft was caused by a manufacturing defect, and tiny cracks were found in the spacecraft.

The air leak incident in the Soyuz MS-22's outer skin occurred, and the leak in the cooling system triggered the alarm system.

The planned spacewalk was interrupted due to the leak, but all ISS systems operated normally despite the leak.

The air leak incident was fixed by sealing the crack with sealant, and the ISS systems were working normally after the repair.

The air leak incident highlighted the aging of the ISS, and new cracks were discovered in the Russian module Zarya.

The ISS is planned to be used until after 2025, despite safety concerns, and Roscosmos is developing a new Russian-manned orbital structure.

The air leak incident has significant implications for the future of space exploration, and it highlights the need for continued maintenance and repair of the ISS.

The incident also underscores the importance of international cooperation in space exploration, as NASA and Roscosmos worked together to fix the leak.

The air leak incident has led to a number of changes in the way that the ISS is maintained and repaired, including the use of new technologies and procedures to prevent similar incidents in the future.

Overall, the air leak incident at the ISS was a significant event that highlighted the challenges and complexities of space exploration, and it has led to important changes in the way that the ISS is maintained and repaired.

The air leak at the International Space Station (ISS) was first detected in August 2020, and it was found to be located in the Russian Zvezda module.

Title:

Content: How did a bag of tea help astronauts save $150 billion?
How did a bag of tea help astronauts save $150 billion?
A few years ago, a torn bag helped save the ISS
The International Space Station was built in 1998 for $150 billion.
Every year, another 3-4 billion dollars are spent to maintain its operability, but the design is already very old and needs repair more and more often.
For example, in August 2020, a pressure drop was recorded aboard the space station, which is a sign of an air leak.
All astronauts and cosmonauts on board were isolated in the Russian Zvezda module.
After some time, it was found out that the air-permeable crack was in the module in which the entire crew temporarily settled.
One of the Russian cosmonauts was able to quickly find the place of leakage with the help of a usual tea bag.
Oxygen on the ISS
According to the India Times, the space station loses about 250 grams of oxygen every day and this is normal - it is difficult to achieve complete tightness.
In the event of an acute shortage of oxygen, it is delivered by cargo ships, but is most often produced directly at the station.
In the second case, members of the ISS use electrolysis - an electric current is passed through the water, as a result of which oxygen appears.
To do this, on board there is a life support system ECLSS, which not only monitors the operation of the station, but also provides people with access to water, protects against fires and so on.
ECLSS technical director Robyn Carrasquillo once praised Russia for using a way to extract moisture from the air, even in the old Salyut and Mir spacecraft.
ECLSS system
Oxygen leakage to the ISS
In August 2020, the space station began to lose about a kilogram of air per day.
The situation was serious, but the lives of the ISS crew were not threatened.
Astronauts from different countries temporarily began to live in the Russian module “Zvezda ” and for four days searched for a leak in other parts of the station.
The search did not give any results, so it became clear that the gap is in the Zvezda module launched more than 20 years ago.
The leak could have occurred for various reasons, for example, due to the collision of the ISS with space debris, which is a lot in near-Earth space.
Also, it was not excluded that seals simply peeled off from the walls of the station, which just do not allow oxygen to leak.
ISS module "Zvezda"
Search for the place of oxygen leakage
An unusual way to find the leak was found by cosmonaut Anatoly Ivanishin.
He installed several cameras in the module and opened the tea bag.
After some time, the ISS members noticed that the tea leaves began to move slowly towards one of the metal walls of the module.
After studying the trajectory of the leaves, the space crew quickly found the crack formed on the ISS.
First, they taped this place with tape, and then got permission to use a drill and sealant.
It is known that thanks to the trick with a package of tea, the astronauts managed to save about 150 billion dollars.
Russian cosmonaut Anatoly Ivanishin
The International Space Station is aging and will one day become completely unusable – that ’ s a fact.
New cracks were discovered even in 2021.
Especially there are many of them in the Russian module “Zarya ”, which was launched into space in 1998 and today is the oldest part of the station.
More recently, Vladimir Solovyov, General Designer of the Energia Rocket and Space Corporation, announced his concerns about the safety of the station.
It is especially frightening that the station is planned to be used even after 2025.
In theory, the use of the old station could cause a terrible disaster.
ISS module "Zarya"
Finally, I note that to replace the old module "Dawn" it was planned to send the module "Science".
But it became an independent module and docked to the ISS in July 2021.
The docking was far from perfect - the module deployed the station at 45 degrees.
19 october 2021 /
• 0
Similar news
Why not bring alcohol to the ISS?
Alcohol is officially banned on the ISS, but space researchers have found many ways to carry it with them.
Cognac is very popular with them, but it makes no sense to take beer with you.
And all
China has launched an apparatus to collect lunar soil.
When will he return to Earth?
China has successfully launched to the moon the apparatus “Chang ’ e-5 ” to collect soil samples.
This is the first such mission in 44 years, and if all goes well, China will become the third country to do so.
Russia is developing its own space station.
What will it look like?
The International Space Station was launched into orbit around our planet in 1998.
Initially, it was planned that it will work for 20 years, but subsequently the period of its use was extended.
According to the opinion
On the ISS found a place of air leakage.
What's next?
Inside the International Space Station live astronauts from different countries and they all need oxygen.
The air necessary for the life of the crew is produced by special equipment, but
Space debris nearly damaged the ISS.
How did it all work out?
Humanity began to actively explore space with the help of complex technology around the middle of the 20th century.
First, hundreds were launched into Earth orbit every year, and then thousands began to be launched.
How does space affect human vision and movement?
the brain, like the heart, is one of the main organs of the human body.
It consists of many areas, each of which has certain tasks.
Take the brain for example, this
Comments
Popular news
Immersive exhibition of Claude Monet - a complete immersion in the world of the great impressionist In 2023, NASA will launch a new lunar rover VIPER into space.
What's he gonna do?
The Vasimr nuclear rocket will take humans to Mars in one month.
Frank Woolworth, creator of price tags and supermarkets Developed the smallest aircraft.
What is it for? A Japanese cafe became famous all over the world with a toilet in the aquarium "Rain Drops" by Samuel Salcedo in the park of the city of EtretaThis picture of Renoir made a lot of noise... and three times!

The leak was caused by a crack in the Zvezda module, which was launched over 20 years ago, and it was losing about 250 grams of oxygen daily.

The crew isolated in the Russian Zvezda module and used a tea bag to find the air leak, which was then taped and sealed with a drill and sealant.

The air leak incident also occurred in the Russian segment of the ISS, specifically in the tail part of the station, and it posed no threat to the crew or the station.

Title:

Content: NEWS
NEWS
February 28, 20: 41
Science
Roscosmos reported air leakage on the Russian segment of the ISS
Photo: telegram channel "State Corporation" Roscosmos "
Air leakage occurred on the Russian segment of the ISS, the crew and the station itself is not threatened.
This writes TASS with reference to the press service of Roscosmos.
“Indeed, experts fix the leakage of air on board the ISS.
The crew regularly carries out work to find and eliminate possible leakage sites, and the data coming from the station are transmitted for analysis to specialists in the normal mode, ” the state corporation said.
According to "Interfax" with reference to the head of the NASA program on the ISS Joel Montalbano, the leak is observed in the tail part of the ISS.
“We saw that the leak increased about a week before the last launch of Progress and its docking with the station, ” he said.
The head of the NASA program on the ISS said that the air in the transition chamber of the Zvezda module began to leave twice as fast.
According to Montalbano, experts are in contact with Russian colleagues on the next steps.
However, this situation does not affect the safety of the crew, he said.
Last year, Russian cosmonauts Oleg Kononenko and Nikolai Chub in outer space disconnected the faulty circuit of the additional radiator on the module "Science" from the main circuit of the module.
Before that, they went into outer space, opening the exit hatch of the module "Search" of the International Space Station.
More news — in the telegram channel Moscow 24 Subscribe!
close
Contact Us
Feedback form
Attach file
Send
close

The leak was observed to have increased the air escape rate from the Zvezda module, with the air loss rate doubling under certain circumstances.

Title:

Content: 29 Feb, 2024 11:18

Russia comments on space station leak

A NASA official had previously reported that air loss from the Zvezda module had doubled

Air leaking from a segment of the International Space Station (ISS) poses no risk to its crew or the orbital outpost, the Russian space agency Roscosmos has said.

A NASA official had previously reported that the rate at which air was escaping from the satellite's Russian Zvezda module under certain circumstances had doubled. The situation is under control and being constantly monitored, the Roscosmos told Interfax on Wednesday, when asked about remarks by NASA’s ISS program manager, Joel Montalbano,.

”The aging of the station’s structure and the growing need for repair and maintenance work on board require a significant portion of the crew’s time,” Roscosmos said.

Montalbano mentioned the issue during this week’s briefing on the upcoming SpaceX Crew-8 mission, which is scheduled for launch on Friday.

”There is an area in the aft end of the International Space Station. [There is] a small leak. We’ve seen this leak increase about a week before the recent Progress launch and docking,” he said, referring to a Russian automatic supply freighter.

The volume of lost air has increased to about two pounds a day, compared to a pound a day previously, Montalbano said.

”The hatch is closed in that area. It’s not an impact on Crew-8, but I didn’t want anyone to be surprised, if they hear about that later,” he explained.

The use of the module for retrieving the Progress shipment didn’t pose any issues in terms of the leak, he said. The next opening of the hatch is expected in April. While it’s closed, the rest of the station is “solid.”

Technical issues at the ISS are being reported on a regular basis. Roscosmos has said the age of the station is a key reason why it is developing plans for a new purely Russian-manned orbital structure as an alternative to participating in the international project.

Podcasts
0:00
27:58
0:00
26:56

The ISS loses about a kilogram of air per day due to the leak, which is approximately 250 grams of oxygen daily.

The air leak incident did not affect the work of the ISS, and the ship was isolated to mitigate the impact.

Title:

Content: In the world
News of Moscow
Politics
Society
Accidents
Science and technology
Show business
Army
Games
Roscosmos told the details of the depressurization of the Progress MS-21 spacecraft
In told about the details of depressurization of the contour of the spacecraft "Progress MS-21".
On the air of the Zvezda TV channel, the situation was assessed by the executive director for manned space programs.
Photo: nasanasa
According to him, depressurization could occur in one of the ship ’ s systems.
“According to my information, indirectly, by phone, this is a thermal regulation system, ” Krikalev said.
He added that these are preliminary estimates, and “there is no certainty yet. ”
In the near future, experts will analyze telemetry to more accurately establish the problem.
On Saturday, Roscosmos announced the depressurization of the contour of the Progress MS-21 cargo ship.
The ship was isolated.
The incident did not affect the work of the ISS.
Earlier it was reported that the flooding of Progress MS-21 is scheduled for February 18.

The ISS systems were working normally after the air leak incident, but some equipment degradation over time was a concern.

Title:

Content: NASA was forced to change the date of the upcoming spacewalk and postpone another spacewalk due to a leak of external coolant from the International Space Station (ISS).
The leak originated from a spare radiator on a Russian Nauka module.
While the coolant is non-toxic or harmless to crew members, NASA is taking precautions to prevent it from entering the internal system and causing equipment degradation over time.
In view of this situation, the spacewalk scheduled for Thursday, 30 September, has been rescheduled.
The mission of the spacewalk program is not time-sensitive and will not affect the operation of the International Space Station.
The second spacewalk, which was originally scheduled to take place on Monday, October 10, will take place as planned.
This will mark the first time NASA astronauts Loral O'Hara and Jasmin Moghbeli have made the journey.
During the spacewalk, they will remove a faulty electronic box and replace the roller bearings on the port truss solar Alfa rotary joints, enabling the space station ’ s array of solar cells to track the sun.
Meanwhile, another spacewalk currently awaiting rescheduling will involve O'Hara and European Space Agency astronaut Andreas Morgensen.
Their mission included collecting samples from the outside of the space station to determine the presence of microbes.
They will also replace high-definition cameras and carry out maintenance work in preparation for future spacewalks.
This is not the first time that a refrigerant leak has affected the operation of the International Space Station.
Last year, the Soyuz spacecraft leaked coolant after being hit by a small meteor, resulting in a six-month extension of the stay of NASA astronauts and two Russian cosmonauts.
The cause of the recent leak of the Nauka module radiator remains unclear.
Source: NASA
Definition:
– International Space Station (ISS): A habitable space station in low Earth orbit.
It is a laboratory where staff conduct scientific research and experiments.
– Coolant: A liquid or gas used to regulate the temperature of a mechanical system, such as the cooling system of the International Space Station.
– Spacewalk: Activities carried out by astronauts in space outside the spacecraft.
– Cooler: A device that transfers heat from one medium to another, usually installed in a system that generates excess heat.
– Roller bearing assembly: a mechanism that allows smooth rotation and motion in certain joint systems.
In this case, it can achieve the rotation of the International Space Station solar cell array.

The air leak incident forced NASA to postpone some spacewalks temporarily, but the ISS operations were not heavily impacted by the leak incident.

Title:

Content: NASA was forced to reschedule an upcoming spacewalk and postpone another after an external coolant leak at the International Space Station (ISS).
The leak originated from a backup radiator connected to the Russian Nauka unit.
Although the coolant is not toxic or dangerous to the crew, NASA takes precautions to prevent it from entering internal systems and causing equipment to deteriorate over time.
As a result of this situation, the spacewalk scheduled for Thursday, October 19, has been rescheduled to a later date.
Planned spacewalks are not time-sensitive and will not affect the operations of the International Space Station.
The second spacewalk, scheduled for Monday, will continue as scheduled.
It will be the first ever flight outside the station for NASA astronauts Laurel O'Hara and Jasmine Mokbali.
As they walk through space, they will remove a faulty electronics box and replace the slewing bearing assembly on the Solar Alpha Rotary Joint port support, enabling the space station ’ s solar arrays to track the sun.
Meanwhile, there is another spacewalk, which is currently awaiting rescheduling, in which O'Hara and ESA astronaut Andreas Mogensen will take part.
Their task includes collecting samples from the outside of the plant to determine the presence of microorganisms.
They will also replace a high-definition camera and perform maintenance work in preparation for future spacewalks.
This is not the first incident to affect the operations of the International Space Station due to leakage of coolant.
Last December, the Soyuz spacecraft experienced a coolant leak after colliding with a small meteorite, extending the stay of NASA astronauts and two Russian cosmonauts by six months.
The cause of the recent leak in the Nauka unit radiator is still unknown.
Source: NASA
Definitions:
International Space Station (ISS): A habitable space station in low Earth orbit.
It serves as a laboratory where the crew conducts scientific research and conducts experiments.
Coolant: A liquid or gas used to regulate temperatures in mechanical systems, such as the cooling system on the International Space Station.
Spacewalk: An activity performed by astronauts outside of their spacecraft while in space.
Radiator: A device that transfers heat from one medium to another, usually installed in systems that generate excess heat.
Slewing bearing assembly: A mechanism that allows smooth rotation and movement in some joint systems.
In this case, it enables the rotation of the solar arrays of the International Space Station.

The crew and the ISS were not in danger due to the leak, and the main thermal control circuit was working in normal mode.

Title:

Content: The leak of coolant from the reserve circuit of the radiator of the multi-purpose laboratory module "Science" of the Russian segment of the ISS was detected.
This was reported in Roscosmos on October 9.
Roscosmos / Global Look Press
From the external (backup), which was delivered to the station in 2012, there was a leak.
Roscosmos assured that the main thermal control circuit of the module works in normal mode, “provides comfortable conditions in the residential area of the module. ”
The crew and the ISS are not in danger.
"The work of the main operational group of the management to analyze the current situation continues," the state corporation added.
As reported by IA Regnum, the longest mission to the International Space Station ended in late September.
Russian cosmonauts Sergei Prokopyev, Dmitry Petelin and American astronaut Frank Rubio, having broken the record of staying on the ISS, landed on the descent vehicle of the Soyuz MS-23.
The station “Luna-25 ” crashed, according to the main version, because of the unit measuring angular velocities (BIUS-L), which got confused in the teams and sent the station zero speed signals, reported on October 3 in the press service of“ Roscosmos ”.

The leak was located in the external backup radiator coolant reserve circuit, which was delivered in 2012.

The Russian space agency, Roscosmos, formed a committee to investigate the air leak incident and identified the person responsible for the fault.

Title:

Content: Soyuz manufacturing defect causes air leak at International Space Station
Kazakhstan News Agency / Astana / September 3 - According to the Russian satellite network reported on the 3rd, Russian rocket space sources said that the manufacturing defect is the cause of the "Soyuz MS-09" spacecraft leak.
There was an air leak on the International Space Station on August 30.
The astronauts examined all the compartments and found tiny cracks in the Soyuz MS-09 spacecraft.
It is located in the living module, not in the return module, so it will not affect the return of the spacecraft to Earth.
It was previously thought that the fissure was the result of a miniature meteorite hitting the spacecraft.
The next night, Russian cosmonauts used special sealant to fill the hole.
The source said: "The cause of the crack in the inner shell of the living module has been identified and it has appeared on Earth.
The person responsible for the fault was identified. "
According to another source, the crew likely sealed the leak with special glue after realizing the mistake, so it was not detected during the pre-launch check and the spacecraft ’ s first two months of orbital flight.
"However, the glue later dried out and was squeezed out, revealing cracks," he said.
The Russian space agency said a special committee would investigate and determine the cause of the accident.
Сейчасчитают

The air leak incident was mitigated by closing the hatch in the affected area, and the crew constantly monitored the air leak situation.

The ISS crew worked to find and eliminate possible leakage sites, and NASA and Roscosmos experts collaborated on the next steps to fix the leak.

The air leak incident was also detected in the Progress MS-21's thermal regulation system, and experts analyzed telemetry to establish the problem.

The air leak incident in the Soyuz MS-09 spacecraft was caused by a manufacturing defect, and tiny cracks were found in the spacecraft.

The air leak incident in the Soyuz MS-22's outer skin occurred, and the leak in the cooling system triggered the alarm system.

Title:

Content: Roscosmos reported damage to the skin of the Soyuz MS-22
On the Soyuz MS-22 spacecraft, docked to the International Space Station (ISS), there was damage to the outer skin of the instrumentation compartment, the press service of Roscosmos reported.
“The crew reported the operation of the alarm system of the ship ’ s diagnostic system, indicating a drop in pressure in the cooling system.
The visual inspection confirmed the leak, after which it was decided to interrupt the planned work on extra-ship activities by the crew members of the Russian segment of the ISS Sergei Prokopyev and Dmitry Petelin, ” the statement said.
Astronaut Anna Kikina photographed and videographed the outer surface of the ship, experts on Earth began to study the images.
All the systems of the Soyuz and the ISS are operating normally, the crew is not threatened, Roscosmos stressed.
Because of the problem today again failed spacewalk cosmonauts Prokopiev and Petelin, who had to prepare the radiator to carry the manipulator ERA from the module "Dawn" and install it on the "Science".
These works Russian cosmonauts were originally to be held on November 25, but then the spacewalk was canceled due to the discovered abnormal operation of the pumps in the cooling system of one of the spacesuits.
Newsletters "Vedomosti" - get the main business news by mail
I want to subscribe

The planned spacewalk was interrupted due to the leak, but all ISS systems operated normally despite the leak.

The air leak incident was fixed by sealing the crack with sealant, and the ISS systems were working normally after the repair.

Title:

Content: Links for simplified access
ISS crew reports smoke and smell of burnt plastic
In the Russian module “Zvezda ” on the International space station (ISS) last night worked fire alarm, reports RIA“ Novosti ” with reference to the negotiations of the crew with the Earth, which broadcasts NASA.
Around five in the morning Moscow time, cosmonaut Oleg Novitsky told the Mission Control Center about the smoke and smell of burnt plastic.
After that, the devices showed the presence of harmful substances in the area of the medical cabinet in the Zvezda module.
French astronaut Tom Pesquet said that the smell of burnt plastic or electronics also penetrated the American segment of the ISS due to the working ventilation.
The source of the smoke and smell has not yet been identified.
The ISS included a system for removing harmful impurities.
Later, Roscosmos said that the smoke sensor and alarm system worked on the ISS “during automatic recharging of batteries. ”
Currently, all systems of the station are working normally, the department notes.
The Russian service module Zvezda docked to the ISS in July 2000.
Its main frame was built in the 1980s as the core of the Mir-2 space station, which was to replace the Mir station, but then it was decided to use it in the ISS program.
Zvezda allows a crew of three cosmonauts to stay in space, and the module can also dock with the Progress cargo ship, which once every three months delivers the necessary supplies to the station and adjusts its orbit.
In the fall of 2019, an air leak was recorded on the ISS.
A year later, the leakage rate increased fivefold.
Sequential sealing of the station compartments allowed us to establish that the cause of the leak was a crack in the Russian segment of the ISS - Zvezda.
The astronauts sealed it with a sealant, but the air leak continued.
Recently, during the survey of the International Space Station, cosmonauts found non-through cracks on the oldest module - "Dawn".
At the end of July, a meeting of the Presidium of the Scientific and Technical Council of Roscosmos took place, where it was noted that the station is breathing on incense.
The International Space Station will expire in 2024.
Earlier, Vladimir Solovyov, General Designer of the Energia Rocket and Space Corporation, predicted an avalanche of failure of numerous elements at the station after 2025.
This mainly concerns the tightness of the housing and complex computing facilities that have developed their resource, Solovyov noted.
XS
SM
MD
LG

The air leak incident highlighted the aging of the ISS, and new cracks were discovered in the Russian module Zarya.

The ISS is planned to be used until after 2025, despite safety concerns, and Roscosmos is developing a new Russian-manned orbital structure.

The air leak incident has significant implications for the future of space exploration, and it highlights the need for continued maintenance and repair of the ISS.

The incident also underscores the importance of international cooperation in space exploration, as NASA and Roscosmos worked together to fix the leak.

Title:

Content: The Russian module of the ISS “Zvezda ” can be completely isolated due to air leakage
reads: 670
23.01.2022 23: 30
The Russian Zvezda module, which is one of the modules of the Russian segment of the International Space Station, could be permanently isolated due to air leakage.
This was reported by NASA Director for the ISS Robin Gatens, reports “Interfax ”.
She said that the situation with the module does not yet pose a serious threat to the ISS, but in the worst case, is considering the option of complete isolation of the “Star ”.
According to Gatens, NASA and Roscosmos are working together to eliminate air leakage in the module, but due to the small size of the crack, it is difficult to detect detectors and ultrasonic diagnostic tools.
In turn, Roscosmos said that the concern of their colleagues on the ISS “is not justified and is surprising. ”
According to the Russian Ministry, the cosmonauts found the site of the leak at the end of last month.
They promise to fix the problem when the Progress cargo ship delivers materials to the ISS.
Note that in the Russian segment of the space station repeatedly there were problems and other problems.
For the first time, an air leak in one of the modules was detected in September 2019, in October 2020, a crack was detected in the camera of the Zvezda module.
Recall that earlier it was reported that at the end of July 2021, after docking the Russian module “Science ” to the International space station, it turned on the engines, because of which the station began to move chaotically and for a time lost control over the orientation of the ISS.
Wikipedia: The International Space Station, Inc.
International Space Station (ISS).
ISS) is a manned orbital station used as a multi-purpose space research complex; it is operated from the end of 1998 to the present (the countries agreed to operate through 2024 inclusive, the extension of the period of operation to 2028, 2030 is being considered).
The ISS is a joint international project involving 14 countries: Russia, the United States, Japan, Canada and members of the European Space Agency Belgium, Germany, Denmark, Spain, Italy, the Netherlands, Norway, France, Switzerland, Sweden (originally the participants were Brazil and the United Kingdom).
The ISS is controlled by the Russian segment from the Space Flight Control Center in Korolev, the American segment from the Lyndon Johnson Flight Control Center in Houston.
The European Columbus and Japanese Kibo modules are controlled by the European Space Agency (Oberpfaffenhofen, Germany) and the Japan Aerospace Exploration Agency (Tsukuba).
There is a constant exchange of information between the centers.
Photofact

The air leak incident has led to a number of changes in the way that the ISS is maintained and repaired, including the use of new technologies and procedures to prevent similar incidents in the future.

Overall, the air leak incident at the ISS was a significant event that highlighted the challenges and complexities of space exploration, and it has led to important changes in the way that the ISS is maintained and repaired.