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首页> 外文期刊>Numerical Heat Transfer, Part B. Fundamentals: An International Journal of Computation and Methodology >Temperature-velocity coupling of the convective heat transfer sensitivity analysis
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Temperature-velocity coupling of the convective heat transfer sensitivity analysis

机译：对流换热敏感性的温度-速度耦合分析

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摘要

This article deals with sensitivity studies of the temperature-velocity coupling of convective heat transfer problems with laminar fluid flaw. Sensitivity coefficients contain information about the chances of a successful inverse procedure, and they can be used in a number of inverse schemes, i.e., the Levenberg-Marquardt method. Special emphasis is given in this article to the numerical solution of the direct problem, which was obtained by the control-volume finite-element method formulation. This numerical tool was used for the sensitivity coefficients evaluation and can be used for simulation of real measurements in the full inverse algorithm. The algorithm for the sensitivity coefficients evaluation and example distributions of the sensitivity coefficients are given. A proposed full inverse procedure, allowing determination of inflow velocity based on internal temperature measurements, is also included. The inverse method employs the Levenberg-Marquardt method for stabilization purposes.
机译：本文研究了具有层流缺陷的对流换热问题的温度-速度耦合的敏感性研究。灵敏度系数包含有关成功逆过程的机会的信息，并且它们可用于许多逆方案中，即Levenberg-Marquardt方法。本文特别强调了直接问题的数值解，它是通过控制量有限元方法公式获得的。该数值工具用于灵敏度系数评估，并且可以在完全逆算法中用于模拟实际测量。给出了灵敏度系数评估算法和灵敏度系数的实例分布。还包括建议的完全逆过程，该过程允许基于内部温度测量确定流入速度。逆方法采用Levenberg-Marquardt方法以达到稳定的目的。

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