Fast Gas-gap heat switch for a microcooler


Burger, J.F. and Holland, H.J. and Elwenspoek, M. and Brake, H.J.M. ter and Rogalla, H. (1999) Fast Gas-gap heat switch for a microcooler. In: 10th International Cryocooler Conference, May 26-28, 1998, Monterey, California (pp. pp. 565-574).

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Abstract: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.
Item Type:Conference or Workshop Item
Copyright:© Springer 1999
Science and Technology (TNW)
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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