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INVERSE SOLUTION TO STEADY TWO-DIMENSIONAL HEAT CONDUCTION

机译:二维热传导的逆解

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摘要

This paper presents an analytical method for solving an inverse problem of steady, two-dimensional, heat conduction in a solid plate with space-variable temperature and heat flux on one of its boundaries. The method doesn't need the knowledge of the thermal conditions on the other plate boundaries. Explicit closed-form expressions are derived for calculating the two-dimensional distributions of the temperature and heat flux in the plate for arbitrary over-specified boundary temperature and heat flux profiles. The special problem case of isothermal boundary with a specified heat flux profile, and that of insulated boundary with a specified temperature profile are considered realistic cases for this problem. Validity and exactness of the proposed method is proved via test problems with known exact solutions. Sensitivity of the current technique to errors in the input boundary conditions is examined. The proposed method is considered of a theoretical value for the heat conduction area.
机译:本文提出了一种解析方法,用于解决固体板中稳定二维热传导的反问题,该板的边界之一是温度和热通量随空间变化的。该方法不需要了解其他板边界上的热条件。导出明确的封闭形式表达式,以计算板中温度和热通量的二维分布,以用于任意超额指定的边界温度和热通量曲线。具有特定热通量分布图的等温边界和具有特定温度分布图的绝热边界的特殊问题情况被认为是解决此问题的现实情况。通过使用已知精确解的测试问题证明了该方法的有效性和准确性。检查了当前技术对输入边界条件中的误差的敏感性。所提出的方法被认为具有导热面积的理论值。

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