Abstract
Numerical simulation of viscous compressible flow in basic pulse tube refrigerator is conducted to make clear the working principle of refrigeration. Transient axisymmetric two-dimensional equations of continuity, momentum and energy were solved by means of TVD method. The physical model of the pulse tube with a regenerator is used for numerical simulation. Heat exchange between the pulse tube wall and the working gas in the pulse tube is assumed as a convective heat transfer. In this paper the transient behaviors of pressure and gas temperature, moving distances and temperature changes of gas elements in the pulse tube, and the effect on Surface Heat Pumping are analyzed.
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