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A computational model for two-stage 4K-pulse tube cooler: Part II. Predicted results

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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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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

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