108 フリーピストンヴィルミエサイクルヒートポンプの動的解析(熱機関II)
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概要
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A dynamic analysis of free piston Vuilleuer cycle heat pumps has been carried out by a time-stepping integration technique. This technique allows application of a nonlinear relationship between displacements and working gas pressure variations in the equations of motion for reciprocation components. Although ideal isothermal thermodynamics was assumed for the Vuilleumier cycle, the present analysis provided accurate information on its characteristics. Some calculations for a case study were performed, including nonlinear viscous dissipative force due to an oscillating working gas flow and discontinuous damping force caused by solid friction in seals. It was found that the present method was very effective in predicting the dynamic behavior of free piston Vuilleumier cycle heat pumps.
- 一般社団法人日本機械学会の論文
- 2000-06-23