The purpose of this paper is to investigate the theoretical feasibility of a proposed vibrating heat engine. This engine, intended for small cryogenic refrigerators, is hoped to be more reliable than existing ones. The thermodynamics of the process is described and analyzed, and a final differ ential equation relating the pressure and volume of the gas in the engine is obtained. This equation is solved and its parameters are investigated using the PACTOLUS analog simulator on an IBM 1710 computer. The results of these calculations are shown, and from them have been calcu lated the heat engine efficiency as a function of its pa rameters.
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References
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W.E. GiffordR.C. LongsworthPulse tube refrigerator Cryogenic Engineering Conference University of Pennsylvania August 1964
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Flow of fluids through valves, fittings, and pipesCrane Technical Paper no 410
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R.D. BrennanPACTOLUS ... a simulation language which makes a digital computer feel like an analog computer (sorta kinda)SIMULATION vol 3 no 2 pp 13-19 August 1965
