Comparison of some inverse heat conduction methods using experimental data
Comparison of some inverse heat conduction methods using experimental data
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DOI：
10.1016/0017-9310(96)00034-8
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发表时间：
1996-11-01
影响因子：
5.2
通讯作者：
HajiSheikh, A
中科院分区：
文献类型：
--
作者：
Beck, JV;Blackwell, B;HajiSheikh, A
本文比较了使用导热体内瞬态温度测量来查找表面热通量的几种方法。实验数据与已知的热通量历史一起使用。这些方法包括具有多个未来近似值的函数规范、吉洪诺夫正则化、迭代正则化以及使用格林函数在大时间区域上指定的函数。前三种方法均采用残差原理，结果十分相似。如果热通量在较大的时间区域内具有简单的时间变化，则利用该特征可以改善结果，如格林函数分析所示。版权所有 (C) 1996 爱思唯尔科学有限公司
This paper compares several methods of finding the surface heat flux using transient temperature measurements inside a heat-conducting body. Experimental data is used with a known heat flux history. The methods include function specification with several future approximations, Tikhonov regularization, iterative regularization and specified functions over large time regions with Green's functions. The first three methods are used with the residual principle and the results are quite similar. If the heat flux has a simple time variation over large time regions, taking advantage of that feature can improve the results, as shown by the Green's Function analysis. Copyright (C) 1996 Elsevier Science Ltd.