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Losses effect on the performance of a Gamma type Stirling engine

机译：损失对伽马斯特林发动机性能的影响

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摘要

In this paper, irreversible processes in solar powered Gamma type Stirling engine have been investigated in order to highlight the impact of losses on provided mechanical power and its performance. This analysis is based on the Finite Speed Thermodynamics and Isothermal methods, considering mass and energy balances through different spaces of Stirling engine and losses due to regenerator imperfections, piston finite speed, hysteresis, clearance seal leakage, heat conduction, displacer shuttle and viscous friction phenomenon which are coupled together and are calculated at each time step. Simulation results are compared with experimental results obtained in our laboratory and from the literature. Energy and exergy analysis show that the two most important dissipations in this engine are the regenerator imperfection and the clearance leakage. (C) 2016 Elsevier Ltd. All rights reserved.
机译：在本文中，已经研究了太阳能伽马型斯特林发动机的不可逆过程，以强调损失对提供的机械功率及其性能的影响。该分析基于有限速热力学和等温方法，考虑了斯特林发动机不同空间的质量和能量平衡，以及由于蓄热器缺陷，活塞有限速度，磁滞，间隙密封泄漏，导热，浮子梭和粘滞摩擦现象造成的损失它们耦合在一起并在每个时间步长进行计算。仿真结果与我们实验室和文献中获得的实验结果进行了比较。能量和火用分析表明，该发动机中两个最重要的耗散是蓄热室缺陷和间隙泄漏。 （C）2016 Elsevier Ltd.保留所有权利。

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