求翻译：摘要：对方形槽内水平圆管外伴有对流的相变传热问题建立数学模型及其定解条件，通过fluent模拟给出温度场和固液相界面随时间的变化情况，最后分析了不同管壁温度对温度场和相变的影响。是什么意思？

Abstract: The square tank in a Horizontal Pipe with convection phase change heat transfer mathematical model and its boundary conditions given by fluent simulation of the temperature field and the solid-liquid interface changes with time, the final analysis wall temperature on the temperature field

Summary: In the square slot in the tube horizontal convection with the phase change heat transfer problems building mathematical models and their conditions, through scheduled to fluent simulation to the incubator and the liquid-phase interface changes over time, and finally analyzed the different t

Abstract: Outside the horizontal circular pipe is accompanied by the convection to the square shape trough in to change the heat conduction problem establishment mathematical model and the condition of well-posed solution, gives the temperature field and the liquid-solid interphase through the fluen

Abstract: each other outside horizontal tube in a tank with phase-change heat transfer problems convection condition of building mathematical model and its solution, through fluent simulation temperature field and interface of solid-liquid phase change over time, different tube wall temperature of f

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