Study of 35 K Regenerator Performance Operating at High Frequency
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Author(s)
Wang, B.
Fan, B. Y.
Zhou, Wenjie
Gan, Zhihua
Qiu, Limin
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Abstract
The objective of this paper is to observe the regeneration performance of three different regenerator materials including stainless steel screen, lead screen and lead sphere at 35 K and at a high operating frequency. A systematic comparison of the three different materials’ performance including effects of COP, the pressure ratio and the cold-end temperature was carried out using REGEN3.2. Calculation results indicate that the performance of stainless steel screen is better than that of lead sphere and #500 mesh stainless steel screen satisfies the design requirement of a regenerator at a frequency of 40 Hz and a low pressure ratio at 35 K. Moreover, lead screen matrix performs best at 20 K; #500 mesh lead screen has a COP double that of a stainless steel screen
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2008-05
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