Abstract
空间材料实验炉的温度分布对空间材料制备至关重要.通过对用于天宫二号空间实验室材料实验炉的物理模型进行合理简化，建立了三维传热数值计算模型，测量了实验炉材料的热物性参数，并根据地面试验工况进行模拟热分析计算，其结果能够很好地与地面试验结果吻合.采用模拟计算的方法分析样品物性参数对炉膛和样品中温度分布的影响，对实验炉的隔热部件进行优化设计，进而对炉体外表面温度进行了预测.数值仿真计算弥补了实验中测温点不足的问题，有助于进一步了解样品的温度分布，同时为实验炉隔热优化设计和安全运行提供了依据.
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