The influence of finite-rate heat transfer and regenerative losses on the performance of a Stirling refrigerator using an ideal or Van der Waals gas as the working substance is investigated. The cooling rate and the coefficient of performance are derived. The optimal relation between the cooling rate and the coefficient of performance is obtained. The maximum cooling rate and the corresponding coefficient of performance are determined for different cases. The problem of optimizing other parameters is also discussed. The results obtained here will be useful for the further understanding and the selection of the optimal operating conditions of a Stirling refrigerator.
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Chen et al. (1996) studied this question.
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