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 Post subject: Oscillating Heat Pipes test mission on X-37B
PostPosted: Tue May 01, 2018 3:08 pm 
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Joined: Wed Sep 07, 2005 11:28 am
Posts: 1336
Location: El Segundo, CA
"Pulsating heat pipes (PHPs) are passive heat transfer devices where the heat transfer is much more higher as compared to the general heat transfer devices such as metal fins. The main reason for this is the two phase phenomenon happening inside PHPs with the oscillatory motion of the bubbles. It can be used in various applications, space satellites, laptops or any other place where you want heat transfer to be very high in a small temperature drop."


(Oscillating heat pipes--OHPs--are essentially the same as PHPs.)


https://www.quora.com/What-are-pulsatin ... tion-of-it


https://www.youtube.com/watch?v=rG-fneOv1Z8

https://www.youtube.com/results?search_ ... +heat+pipe


"The U.S. Air Force's covert X-37B Orbital Test Vehicle is scheduled to launch Sept. 7.

For the first time, the experimental space plane will hitch a ride aboard Elon Musk's SpaceX Falcon 9 rocket, the service announced Thursday."


"While the payloads and most activities of the robotic X-37B are classified, the Air Force said this mission will carry "the Air Force Research Laboratory Advanced Structurally Embedded Thermal Spreader (ASETS-II) payload to test experimental electronics and oscillating heat pipe technologies in the long-duration space environment."


https://www.military.com/defensetech/20 ... -next-week

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