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碳黑掺杂SiO2气凝胶热辐射特性的蒙特卡罗计算
  • 期刊名称：工程热物理学报(已接受)
  • 时间：0
  • 页码：-
  • 分类：TK124[动力工程及工程热物理—工程热物理;动力工程及工程热物理—热能工程]
  • 作者机构：[1]西安交通大学能源与动力工程学院,热流科学与工程教育部重点实验室
  • 相关基金：国家自然科学基金项目(No.51222604;No.51076125);博士点基金项目(No.20130201110042)
  • 相关项目：纳米多孔结构中气体分子及固体声子传输的高阶矩方法研究
作者： 赵越|唐桂华|陶文铨|
关键词： SiO2气凝胶, 掺杂, 蒙特卡罗法, 辐射特性
中文摘要：

高温环境下纳米隔热材料内热辐射的影响显著增强,遮光剂的掺杂将不可或缺。为了研究遮光剂掺杂对纳米隔热材料热辐射特性的影响,本文发展蒙特卡罗数值方法（MCM）与Mie散射理论对碳黑遮光剂颗粒掺杂的SiO2气凝胶热辐射特性进行了理论研究。研究结果表明:优化参数后的碳黑颗粒掺杂气凝胶可以有效阻隔辐射传热,并且提高材料的隔热性能。该方法对纳米隔热材料遮光剂的选取和优化具有指导意义。

同期刊论文项目
微纳尺度结构中复杂热流传输
期刊论文 52 会议论文 66 获奖 5
纳米多孔结构中气体分子及固体声子传输的高阶矩方法研究
期刊论文 13 会议论文 22 获奖 6
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