Abstract
This paper describes an improved numerical model for simulating the oscillating gas flow and detail performance of a multi-bypass pulse tube refrigerator (MPTR) with area change. The governing equations that include the pressure gradient, inertia, viscous and convection terms are based on the conservation of mass, energy and momentum for oscillating flow. The control-volume method is used to discrete the governing partial differential equations on a staggered grid. Simulation results and predicated performance are compared with experiment. Good agreement has been found between the two. The effects of the orifice, double-inlet and multi-bypass valves on the dynamic parameters and refrigeration performance of the MPTR are presented.
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© 1998 Springer Science+Business Media New York
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Ju, Y.L., Wang, C., Zhou, Y. (1998). Numerical Simulation and Experimental Verification of the Oscillating Flow in a Multi-Bypass Pulse Tube Refrigerator with Area Change. In: Kittel, P. (eds) Advances in Cryogenic Engineering. Advances in Cryogenic Engineering, vol 43. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-9047-4_246
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DOI: https://doi.org/10.1007/978-1-4757-9047-4_246
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4757-9049-8
Online ISBN: 978-1-4757-9047-4
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