Metal Hydride Compressors with Gas-Gap Heat Switches: Concept, Development, Testing, and Space Flight Operation for the Planck Sorption Cryocoolers
Two closed-cycle cryogenic refrigerators were used to generate temperatures of ~18 K via evaporation of liquid hydrogen at the interfaces with radiofrequency and infrared sensors on an Earth-orbiting spacecraft that measured the anisotropy of the cosmic microwave background (CMB) during the European...
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| Format: | Article |
| Language: | English |
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MDPI AG
2019-11-01
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| Series: | Inorganics |
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| Online Access: | https://www.mdpi.com/2304-6740/7/12/139 |