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对超临界压力锅炉蒸发管的水动力特性进行了理论分析，通过对不同配置方式管组的水动力特性进行计算，指出在超临界压力下的大比热区（i＝1700－2500kJ／kg）必须考虑水流的温度不均匀性对超临界压力锅炉水动力特性的影响。
The hydrodynamic characteristics of supercritical pressure boiler evaporation tubes are analyzed theoretically. By calculating the hydrodynamic characteristics of the tubes with different configurations, it is pointed out that the large specific heat area under supercritical pressure (i = 1700-2500kJ / kg) The influence of the temperature inhomogeneity of water flow on the hydrodynamic characteristics of supercritical pressure boiler must be considered.