低温度差小形スターリング冷凍機の性能特性に関する研究 : 熱工学,内燃機関,動力など

概要

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A prototype Stirling cycle refrigerator employing helium as a working fluid has been investigated to see whether a freon free machine be a viable alternative for a current household refrigerator. A displacer type or β type Stirling cycle machine of 100 W capacity was designed and tested varying design parameters such as dead space ratio, working fluids, the ratio of the compression space volume to the expansion and the phase difference between a power piston and displacer. The detrimental effect of the dead space on the refrigeration available was confirmed. The refrigeration produced by nitrogen in a expansion space was smaller by 28% than that produced by helium. The optimum volume ratio and the phase difference for a maximum refrigeration have been determined under a design operation condition. Moreover, The refrigeration correlation formula as a function of these parameters was shown.
一般社団法人日本機械学会の論文
2001-04-25