Before they ’re strapped onto rockets for a mission to Mars , ion engine , like NASA’sVASIMR projectneed to be quiz — here at the STG - ET sleeping accommodation at the German Aerospace Agency ( DLR ) , one of the most advanced vacuum chambers on the major planet .
https://gizmodo.com/nasa-to-test-plasma-rocket-at-international-space-stati-5034720
Vacuum sleeping accommodation allow researchers to recreate the conditions of proscribed space and range in sizing from those that check on a desktop to unit like the STG - ET chamber with 362 three-dimensional meter of internal intensity .
The $ 4 million euro STG - ET bedroom ( German for Propulsion Beam Simulation Facility – Electric Thrusters ) opened for surgical process on 15 April 2025 . Primarily for usage in testing ion engines and their burden on satellites , the 12 - meter long , five - metre grandiloquent thermionic tube is equipped with a helium - found cryogenic pump to lower the internal temperature just a few point above infrangible zero .
This minimum -268 degree Celsius temperature is necessary due to the nature of ion engine testing . These engine render push up by ionizing Xenon gas and speed it through an electric field . But , because the ion light beam also damage the tender electronics on - control board satellites — especially solar cells — space government agency need to opbtain precise measurements of the irradiation characteristic . The cryogenically - freeze tube prevent ionize gasses from reflecting off its walls , skew test results , and rather freeze solid on contact .
“ With its exceptionally naturalistic conditions , this adeptness stands apart from survive European facilities . The backcloth vacuum that we can create here is alone , ” explained Andreas Dillmann , Head of the DLR Institute of Aerodynamics and Flow Technology .
[ New Scientist – DLR – Wikipedia – figure of speech via DLR ]
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