| 含内热源球壳的复合传热特性及其表面温度均匀性研究 |
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| 引用本文： | 李明海,陈均,史光梅,罗群生.含内热源球壳的复合传热特性及其表面温度均匀性研究[J].航空精密制造技术,2006,42(2):49-52. |
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| 作者姓名： | 李明海 陈均 史光梅 罗群生 |
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| 作者单位： | 中国工程物理研究院环境试验中心,四川,绵阳,621900 |
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| 摘 要： | 应用计算流体动力学方法,对带内热源的空腔球壳所涉及的含导热、自然对流和辐射换热的耦合传热问题进行了数值建模,得到了球壳空腔内、外侧流体的温度场、速度场。在数值模拟基础上,提出并试验验证了能有效提高球壳外表面温度均匀性的电加热绳方案。
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| 关 键 词： | 球壳 CFD 温度均匀性 自然对流 热源 |
| 文章编号： | 1003-5451(2006)02-0049-04 |
| 修稿时间： | 2005年10月9日 |
Study on Combined Heat Transfer Characteristic and Surface Temperature Uniformity of a Spherical Shell with Heat Generation |
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| LI Ming-hai CHEN Jun SHI Guang-mei,.Study on Combined Heat Transfer Characteristic and Surface Temperature Uniformity of a Spherical Shell with Heat Generation[J].Aviation Precision Manufacturing Technology,2006,42(2):49-52. |
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| Authors: | LI Ming-hai CHEN Jun SHI Guang-mei |
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| Abstract: | A computational fluid dynamics (CFD) model is proposed to quantify the combined heat transfer by conduction,natural convection and surface radiation in a typical spherical shell with heat generation.Velocity field and temperature field inside and outside the spherical shell are numerical studied.An electrical heating rope is proposed based on numerical results for improving surface temperature uniformity of the simulation spherical shell. |
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| Keywords: | spherical shell computational fluid dynamics temperature uniformity natural convection heat generation |
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