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建立高温端同时辐射对流传热、低温端对流传热的不可逆太阳能Braysson热机循环新模型,探索有限速率热传导和绝热过程不可逆性等对热机循环性能的影响,基于热力学分析方法,导出热机输出功率和效率的解析表达式,数值计算结果揭示了等压温比、内不可逆参量及与热传导系数和面积有关的匹配参量等对热机性能特性的影响,所得结论不仅能导出其它不可逆太阳能热机的优化性能.且可为太阳能热机的参数设计和性能评价提供新理论参考.

参考文献

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