Construction and Operation of a 165K Microcooler with a Sorption Compressor and a Micromachined Cold Stage
Burger, J.F. and Holland, H.J. and Brake ter, H.J.M. and Elwenspoek, M.C. and Rogalla, H. (2003) Construction and Operation of a 165K Microcooler with a Sorption Compressor and a Micromachined Cold Stage. In: 12th International Cryocooler Conference, June 18-20, 2002, Cambridge, Massachusetts.
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|Abstract:||This paper presents the integration and testing of a 165 K microcooler that operates with a sorption compressor and a micromachined cold stage. Attractive features of this combination are the lack of vibration and a long lifetime for a potentially very small cryocooler. The developed cold stage works with the vapor compression cycle and consists of a silicon condenser and flow restriction/ evaporator, which are combined with two miniature glass-tube counterflow heat exchangers. The thermal compressor consists of five miniature cells filled with adsorption material that are sequenced between ad- and desorption — thus providing a continuous pressure difference. The system was tested with ethylene gas operating between 14 and 1.5 bar, and produced a cooling power of 200 mW around 170 K with an input power of about 20 W.
|Item Type:||Conference or Workshop Item|
Science and Technology (TNW)
Electrical Engineering, Mathematics and Computer Science (EEMCS)
|Link to this item:||http://purl.utwente.nl/publications/40615|
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