Intermediate cooling from pulse tube and regenerator in a 4 K pulse tube cryocooler |
| |
| Authors: | Chao Wang |
| |
| Affiliation: | 1. Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry of Chinese Academy of Sciences, Beijing 100190, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;3. Lihan Cryogenics Co., Ltd, Shenzhen 518055, China;4. Shanghai Institute of Technical Physics of Chinese Academy of Sciences, Shanghai 200083, China;1. Institute of Refrigeration and Cryogenics, School of Mechanical Engineering, Tongji University, Shanghai 201804, PR China;2. Shanghai Key Laboratory of Vehicle Aerodynamics and Vehicle Thermal Management Systems, Tongji University, Shanghai 201804, PR China;3. Department of Electrical Engineering, School of Electronics and Information Engineering, Tongji University, Shanghai 201804, PR China;4. Shanghai Institute of Technical Physics, Chinese Academy of Sciences, No. 500 Yu Tian Road, Shanghai 200083, PR China;1. Institute of Refrigeration and Cryogenics, Zhejiang University, Hangzhou 310027, China;2. Department of Mechanical Engineering, University of Wisconsin, Madison 53706, USA;3. Sumitomo (SHI) Cryogenics of America, Inc. 1833 Vultee St., Allentown, PA, USA |
| |
| Abstract: | This paper introduces intermediate cooling by thermally attaching heat exchangers on the second stage pulse tube and regenerator in a commercial 4 K pulse tube cryocooler. Due to the large enthalpy flow in the 2nd stage pulse tube and regenerator, both intermediate heat exchangers on the pulse tube and regenerator can provide cooling capacities in the temperature range of 5–15 K without or with minor effect on the performance of the 4 K stage. Extracting cooling capacity from the pulse tube or regenerator reduces the 1st stage cooling performance in the present study. The joint intermediate heat exchanger on the pulse tube and regenerator has demonstrated promising results for applications. |
| |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
