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中文摘要：
采用有限体积法（FVM，Finite Volume Method）和离散坐标法（DOM，Discrete Ordinate Method）求解测试腔竖直通道内空气层流流动加热与半透明光学窗口辐射一导热耦合传热模型，研究了光学窗口的半透明特性对光学测试腔加热的影响，并分析了不同空气入口温度和速度条件下其对空气通道壁面对流换热的影响。研究表明光学窗口材料的半透明特性对测试腔温度环境影响明显，仅通过提高热空气入口速度未能有效减弱窗口半透明特性带来的不利影响。
英文摘要：
Coupled heat transfer model of radiation in semitransparent glass and air laminar convection in vertical channel of optical cavity was solved by finite volume method （FVM） and Discrete Ordinate Method （DOM） in this paper, and influences of glass semitransparent characteristic on heating optical cavity were investigated, and effects of temperature and velocity of channel inlet on convective heat transfer of air channel wall were also studied. The results show that glass semitransparent characteristics play an important role in temperature environment of optical cavity, and the harmful influence bring by glass semitransparent characteristic is not effectively eliminated by only improving velocity of channel inlet.
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