Cooling Loop News Today

The decontamination. you know, explain -- >> sure. >> okay, good. >> okay. the outside cooling loop uses ammonia as the working fluid and at very high pressure. so when they replace the broken pump module with the new one, they had to reconnect those lines, those fluid lines to reconnect the ammonia to the box, to the pump module. so they were having trouble getting those connections made, and thats when one of the connectors started leaking ammonia out. those were the white flakes you saw. of c...

Systems on the international space station. it malfunctioned this week. the pump on the cooling loop automatically shut down. that system makes sure equipment on iss stays cool and keeps working. nasa officials said yesterday they tried one fix that didnt work, and they may have to do a space walk to replace it. i am joined now by michael nasamino, a nasa astronaut and visiting professor at columbia university engineering school. mike, its a pleasure and honor to have you on the program. tell me...

Problem on the ground, and theyre working with the crew. the crew is saying what can we do to help? they understand the systems, theyre ready to go, and theyre working closely with the control center. bill: a cooling loop does what on the international space station? >> youve got all this equipment humming along, it builds up heat just like a television set or a refrigerator this your house. believe it or not, it builds up heat. youve got to get that heat away. so ammonia is used just like a car...

>> i hope shes sitting that one out. i wonder if she is a member. >> right. moving to south africa this morning thousands of mourners from all corners of the world are paying their respects to nelson mandela. today is day two of his lying in state at the union building, the site he was sworn in as the countrys first black president nearly 20 years ago. he will be buried in his childhood village of qunu. putting an unfortunate blemish on nelson mandelas memorial, news that archbishop desmond ...

Tell if if a spacewalk is necessary. one of the cooling stations went out yesterday. they had to shut down noncritical systems. the spags station and the crew, nasa says, is not in danger. still, its worrisome. john zarrella joins me now from miami. >> reporter: the mission management team is meeting this morning and will have to come up with some contingenciecontingen. they have a con contingency for a spacewalk. they did one back in may to fix a cooling loop. back in 2010 they had to replace o...

>> i hope shes sitting that one out. i wonder if she is a member. >> right. moving to south africa this morning thousands of mourners from all corners of the world are paying their respects to nelson mandela. today is day two of his lying in state at the union building, the site he was sworn in as the countrys first black president nearly 20 years ago. he will be buried in his childhood village of qunu. putting an unfortunate blemish on nelson mandelas memorial, news that archbishop desmond ...

Cooling loop. so nasa officials say power can be rerouted from other sources to keep systems running normally, and they say the crew is not in any danger. nasa has scheduled a news conference at the johnson space center in texas for 3:00 central time. we hope to learn more then. jon and jenna become to you. jon: sound like a very difficult plumbing job ahead. >> reporter: indeed. jon: thank you. jenna: speaking of outer space a sight to behold for sky gazers, the ring of fir fire eclipse, and th...

On the space station. and, leroy, thats a big deal because this isnt like your air conditioning going out on earth. the temperature extremes on that space station are very different from what we experience on earth. >> well, thats right. the cooling is one of the challenges that we have to overcome on the space station. the temperature in tas can be plus or minus 250 degrees fahrenheit depending on whether youre in the sun or in the shade. the cooling system has to deal with that temperature ext...

Was a critical repair because without that second cooling loop, very little research work or other things could have been done. basically they would have been in a survival mode. although conceptually simple, this e.v.a., disconnect the lines, take the old purchase out, put the new pump in. sounds easy to do. but when youre in a space suit wrestling with the ammonia fluid lines which are pressurized and trying to get them on and off with the sticky disconnected because theyve been up there so lo...

Barrels may cause. and looking high into the sky, warning alarms wake up the crew op. board the international space station today, a power spike were told forced a cooling loop and other systems to shut down. the crew wasnt in any danger and went back to sleep shortly after the alarm went off, but an engineer did stay away to troubleshoot the problem. it is shark week, you know it by now, and you love it by now. theyve been doing this for 20-plus years and theyre kicking off another week. we...