论文信息 - Study of 35 K Regenerator Performance Operating at High Frequency

Study of 35 K Regenerator Performance Operating at High Frequency

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.

[1] Luwei Yang. Investigation on a thermal-coupled two-stage Stirling-type pulse tube cryocooler , 2008 .

[2] R. Radebaugh,et al. A single-stage GM-type pulse tube cryocooler operating at 10.6 K. , 2009 .

[3] A. Ravex,et al. A large cooling capacity single stage coaxial pulse tube cooler , 2002 .

[4] M. Thürk,et al. Developments on GM‐Type Pulse Tube Cryorefrigerators with Large Cooling Power , 2004 .

[5] Paul Seidel,et al. Novel Regenerator Material Improving the Performance of a Single Stage Pulse Tube Cooler , 2006 .

[6] Paul Seidel,et al. Improved Cooling Power by Means of a Regenerator Made from Lead Wire Mesh , 2005 .

[7] R. P. Taylor,et al. Optimal Pulse-Tube Design Using Computational Fluid Dynamics , 2008 .

[8] L. Qiu,et al. A single-stage pulse tube cooler reached 12.6 K , 2005 .