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OALib Journal期刊
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耦合跨临界与亚临界有机朗肯循环性能分析

, PP. 1176-1181

Keywords: 耦合系统,有机朗肯循环,性能分析,工质组合

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Abstract:

提出了一种回收烟气余热的耦合跨临界与亚临界有机朗肯循环系统,并进行了详细的性能分析。结果表明,该系统可以使膨胀机压比和进口压力降低,工质的选择更加灵活;当中间换热器节点温差小于某一临界值时,耦合系统的热力学性能要优于单级跨临界有机朗肯循环,且存在一个最佳节点温差使得系统发电成本最低;随着工质临界温度的增加,耦合系统的热力学性能会得到改善;使用等熵工质时系统性能要优于使用干工质时系统性能。

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