Abstract
The internal physical processes and performance of a two-stage pulse tube cooler operating at 4 K-temperature region are numerically analyzed by a new mixed Eulerian-Lagrangian computational model. The detailed time-variations of gas temperature, pressure, mass flow rate, enthalpy flow in a cycle, in the first and the second-stage regenerators are presented in the paper. The behavior of the various gas elements, which enter the pulse tube from its cold end has been revealed and discussed. More attention is paid to the effects of different regenerative materials on the performance of the 4 K two-stage pulse tube cooler.
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Y Matsubara, J Gao. Novel Configuration of Three-stage Pulse Tube Cryocooler for Temperatures Below 4 K. Cryogenics, 1994, 34: 259
G Thummes, S Bender, C Heiden. Approaching the 4He Lambda Line with a Liquid Nitrogen Precooled Two-stage Pulse Tube Refrigerator. Cryogenics, 1996, 36: 709
M Y Xu, A T A M de Waele, Y L Ju. A Pulse Tube Refrigerator below 2 K. Cryogenics, 1999, 39: 865
Y Koike, Y Morii, T Igarashi, et al. A Dilution Refrigerator Using the Pulse Tube and GM Hybrid Cryocooler for Neutron Scattering. Cryogenics, 1999, 39: 579
C Wang, G Thummes, C Heiden. Performance Study on a Two-stage 4 K Pulse Tube Cooler. Adv. Cry. Eng., 1998, 43: 2055
G Thummes, C Wang, C Heiden. Small Scale 4He Liquefaction Using a Two-stage 4 K Pulse Tube Cooler. Cryogenics, 1998, 38: 337
C Wang, G Thummes, et al. Use of a Two-stage Pulse Tube Refrigerator for Cryogen Free Operation of a Superconducting Niobium-Tin Magnet. Proc. of ICEC17, Elsevier, Oxford, 1998. 69
C Wang, G Thummes, C Heiden, et al. Cryogen Free Operation of a Niobium-Tin Magnet Using a Two-stage Pulse Tube Cooler. IEEE Trans. Appl. Supercond, 1998, 8: 1786
Y L Ju, A T A M de Waele. A Computational Model for Two-stage 4 K-pulse Tube Cooler: Part I. Theoretical Model and Numerical Method. J. of Thermal Science, 2001, 10(4)
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Ju, Y.L., de Waele, A.T.A.M. A computational model for two-stage 4K-pulse tube cooler: Part II. Predicted results. J. of Therm. Sci. 11, 74–79 (2002). https://doi.org/10.1007/s11630-002-0025-1
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DOI: https://doi.org/10.1007/s11630-002-0025-1