应用有限时间热力学方法,研究了恒温热源条件下内可逆回热式燃气轮机热电联产装置的(火用)经济性能,导出了利润率及(火用)效率的解析式.利用数值计算方法,以利润率为目标,对热导率的分配和压比的选取进行了优化,研究了最优利润率及相应(火用)效率特性,并分析了各种联产设计参数对联产优化性能的影响.改进了以往文献中热量(火用)的计算方法,发现了存在最佳的用户侧温度.
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