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中文摘要：
从热力学第一定律的角度出发，选取P-R方程作为氨-水混合物性质的基本计算公式，对一级蒸馏Kalina循环进行了热力学分析。编制了氨-水混合工质热力性质及Kalina循环热力性能计算程序，对Kalina循环热功转换的主要热力性能进行了理论计算，分析了透平进口压力、透平进口温度、透平背压、工作溶液浓度、基本溶液浓度、循环倍增率等关键参数对循环性能的影响。图8表2参16
英文摘要：
Starting from the 1^st law of thermodynamics, and making use of Peng-Robinson equations to serve as the basic equations for representing the properties of ammonia-water mixtures, a thermodynamic analysis of a stair distillation Kalina cycle is being presented. A program for calculating the thermodynamic properties of ammonia-water mixtures, and another for calculating the performance of Kalina cycles, have been composed, with which the heat-work conversion particulars of Kalina cycles have been theoretically calculated, and the influence on cycle property of critical parameters, like the pressure and temperature at turbine＇ s entrance, the turbine＇ s back pressure, the concentration of the working solution and that of the basic solution as well as the cycle＇s mass ratio, analyzed. Figs8, tables 2 and refs 16.
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