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NASA began testing the next generation of spacecraft heat exchangers
Author:sehenstar  Source:SeHenStar  Pubtime:2016-11-16 17:17:20  Click:4921
July 21, 2016, the International Space Station (ISS) of the crew to receive a delivery of the unique hardware, it helps NASA to achieve out of the earth into the deep space of the manned journey. The PCM HX Demonstrator hooked up with SpaceX's Dragon cargo craft to the International Space Station, where the Falcon 9 rocket was launched on July 18 from Caravelle, Fla. Cape Canaveral Air Force Station. Earlier on July 20, the Long spacecraft arrived at the space station, where they could start bringing nearly 5,000 pounds (4,536 kilograms) of scientific, research, and orbital laboratory hardware onto the spacecraft in the cargo spacecraft.
NASA began testing the next generation of spacecraft heat exchangers
NASA's Deep Orion (Orion) spacecraft requires precise control of heat temperature to protect the crew and equipment.
Source: Lockheed Martin (Lockheed Martin)
NASA began testing the next generation of spacecraft heat exchangers
The Phase Change Heat Exchanger Demonstration Facility, used on the International Space Station, will test paraffins for temperature control and may be used in Orion spaceships.
Source: NASA / Rubik Sheth
NASA began testing the next generation of spacecraft heat exchangers
The phase change heat exchanger demonstrator used on the International Space Station will test the use of paraffin for temperature control and may be used in Orion spacecraft.
Source: NASA / Rubik Sheth
NASA began testing the next generation of spacecraft heat exchangers
The Phase Change Heat Exchanger Demonstrator has a removable module similar to a kitchen drawer carrying 10 lb (4.5 kg) paraffin
Source: NASA / Rubik Sheth
This hardware is one of NASA's efforts to create a Game Changing Development program that will advance space science and technology and will likely drive new advances in NASA's future missions and solutions to major national needs. What is new is that this high-tech device is filled with a material similar to the texture of the crayon - paraffin.
Thermodynamic Challenges
"Paraffin wax can be traced back to BC 221 to 206 BC, but it may not be the ideal material for space travel in the 21st century, but this is the case," explains Mr Rubik Sheth. Mr. Rubik Sheth is a Program Manager and System Engineer for the Thermal System Branch at the Johnson Space Center in Houston, NASA.
A future mission of NASA's Orion spacecraft is to support roving in moon-to-earth space. "When the spacecraft is located between the sun and the moon when the spacecraft will become very hot, so to send humans to the deep space near the moon is a thermodynamic challenge.We need these phase change material heat exchanger to absorb the extra surplus, the original Orion Spacecraft will accept the energy, "Sheth explained.
Sheth pointed out that the heat exchanger to freeze or liquefy a material to maintain the critical temperature inside the spacecraft, thus protecting the group and equipment.
The material selected to exhibit in the International Space Station phase change material heat exchanger is n-pentadecane. Sheth says, "It's very much like a crayon on its own consistency and touch."
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