| 二维真空系中壁面辐射热负荷反问题 |
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| 引用本文： | 范宏武,李炳熙,杨励丹,工藤一彦. 二维真空系中壁面辐射热负荷反问题[J]. 热能动力工程, 2000, 15(2): 104-106 |
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| 作者姓名： | 范宏武 李炳熙 杨励丹 工藤一彦 |
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| 作者单位： | 1. 哈尔滨工业大学,黑龙江,哈尔滨,150001
2. 日本北海道大学大学院 |
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| 摘 要： | 在Ｍｏｎｔｅ Ｃａｒｌｏ法的基础上用特异值分解法（ＳＶＤ）与共轭梯度法（ＣＧＭ）分别求解了壁面辐射热负荷反问题。计算结果表明，考虑测量值误差时，用共轭梯度法计算得到的解的稳定性及精度均远高于特异值分解法。
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| 关 键 词： | 辐射反问题 特异值分解法 共轭梯度法 |
| 文章编号： | 1001－2060（2000）02－0104-03 |
An Inverse Problem of Wall-surface Radiation-heat Load in a Two-dimensional Vacuum System |
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| Fan Hongwu,Li Bingxi,Yang Lidan,et al. An Inverse Problem of Wall-surface Radiation-heat Load in a Two-dimensional Vacuum System[J]. Journal of Engineering for Thermal Energy and Power, 2000, 15(2): 104-106 |
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| Authors: | Fan Hongwu Li Bingxi Yang Lidan et al |
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| Abstract: | Based on a Monte Carlo method and through the use respectively of a Singular Value Decomposition method (SVDM) and a Conjugate Gradient Method (CGM) solved in this paper is the inverse problem of a wall surface radiation heat load. Calculation results show that when the error of measured values is taken into account the stability and precision of the solution by the CGM are by far higher that those of the solution by the SVDM method. |
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| Keywords: | inverse radiation problem numerical analysis Monte Carlo method Singular Value Decomposition Conjugate Gradient Method |
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