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http://dx.doi.org/10.9714/psac.2011.13.3.036

Cooling performance test of neon refrigeration system using commercial helium compressor  

Ko, Jun-Seok (한국기계연구원)
Kim, Hyo-Bong (한국기계연구원)
Yeom, Han-Kil (한국기계연구원)
Hong, Yong-Ju (한국기계연구원)
Park, Seong-Je (한국기계연구원)
Lee, Kong-Hoon (한국기계연구원)
Publication Information
Progress in Superconductivity and Cryogenics / v.13, no.3, 2011 , pp. 36-41 More about this Journal
Abstract
This paper describes experimental investigation on neon refrigeration system using commercial helium compressor. In this paper, neon refrigeration cycle is calculated with assumption of ideal heat exchanger. From analysis, 32.6 K of the lowest temperature and 0.945 of quality after expansion are predicted. Cryogenic heat exchangers for pre cooler and main heat exchanger are designed and fabricated with configuration of tube-in-tube heat exchanger. In experiments, cooling performance test are performed as variation of charging pressure and orifice hole diameter. From experimental results, the lowest temperature of 44.0 K was measured with 500 ${\mu}m$ orifice and 1500 kPa of charging pressure.
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