Thursday, January 15, 2015

Signal leak of ammonia to the ISS was false – Russian newspaper

NASA and Roscosmos had all the necessary tests and studies and concluded that emissions of ammonia to the atmosphere of the ISS station did not happen.

Yesterday it was reported that the US segment of the International Space Station around 11.44 MSK spewed noxious substances – namely ammonia cooling system into the atmosphere station. As reported “RG” Roskosmos, the American segment of the ISS has been isolated, the crew is in full force in the Russian segment. As the head of Roscosmos Oleg Ostapenko, the evacuation of the crew was not considered.

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It was later discovered that the alarm was false. It is still unknown because of what triggered the sensor, but ammonia is detected. Astronauts after more than 10 hours in the Russian segment of the space station back in the US segment of the ISS. “The crew opened the hatches in the US segment of the ISS, went there in remedies and measured the concentration of impurities in the air. It was in the normal range,” – said the head of the Russian Maxim MCC Matyushin.

“Today, US experts continue recovery systems, and Russian cosmonauts will work on a planned program, “- said the head of MCC. Speaking about the causes of the incident, he said that experts are inclined to the hypothesis of a software glitch in the computer that controls the cooling system.

At the moment, on board the ISS is a crew consisting of American Barry Wilmore (commander) and Terry Vertsa, Russians Alexander Samokutyaeva, Elena and Anton Serovoj Shkaplerova and Italian Samantha Cristoforetti.

I must say, two years ago ammonia leak from the cooling system of the ISS power system was. Then the crew reported that observed in the windows left the ISS flying white flakes – “snowflakes” from the frozen ammonia. “Snow” came from the segment of the ISS P6 main farm, which secured the main solar panels station. To eliminate the situation, US astronauts Thomas Mashbern and Chris Cassidy conducted behind five and a half hours. This time everything worked out.

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