Fast Gas-gap heat switch for a microcooler

Johannes Faas Burger, Herman J. Holland, Michael Curt Elwenspoek, Hermanus J.M. ter Brake, Horst Rogalla, H.J. van Egmond

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A sorption compressor requires heat switches to thermally isolate the cells during heating, and to connect them to a heat sink during cooling. The requirements for these heat switches are discussed and related to important compressor parameters. It is shown that under certain conditions a sorption compressor can be operated without heat switches at all. Furthermore, the static heat transfer behaviour of a gas gap is modelled in detail and compared with experiments on a 300 μm gas gap. Finally, the dynamics that limit the switching speed are discussed.
Original languageUndefined
Title of host publicationProceedings of the International Cryocooler Conference, Cryocoolers 10
Place of PublicationMonterey, Californie
Number of pages10
Publication statusPublished - 23 Jun 1999
Event10th International Cryocooler Conference, Cryocoolers-10 1998 - Monterey, United States
Duration: 26 May 199828 May 1998
Conference number: 10


Conference10th International Cryocooler Conference, Cryocoolers-10 1998
Abbreviated titleCryocoolers
Country/TerritoryUnited States


  • METIS-130417
  • IR-25615

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