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.
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References
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© 2003 Kluwer Academic Publishers
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Burger, J.F., Holland, H.J., ter Brake, H.J.M., Elwenspoek, M., Rogalla, H. (2003). Construction and Operation of a 165 K Microcooler with a Sorption Compressor and a Micromachined Cold Stage. In: Ross, R.G. (eds) Cryocoolers 12. Springer, Boston, MA. https://doi.org/10.1007/0-306-47919-2_85
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DOI: https://doi.org/10.1007/0-306-47919-2_85
Publisher Name: Springer, Boston, MA
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