Determination of Convective Heat Transfer Parameters by Measuring the Temperature of a Material

被引：6

作者：

Zverev, V. G. ^{[1
]}

Nazarenko, V. A. ^{[2
]}

Pan'ko, S. V. ^{[1
]}

Teploukhov, A. V. ^{[2
]}

机构：

[1] Tomsk VV Kuibyshev State Univ, Tomsk 634050, Russia

[2] Fed State Unitary Enterprise Moscow Inst Heat Tec, Moscow, Russia

来源：

HIGH TEMPERATURE | 2010年 / 48卷 / 05期

关键词：

Heat Transfer; Heat Transfer Coefficient; Flow Temperature; Inverse Boundary Problem; Temperature Heat Transfer;

D O I：

10.1134/S0018151X10050160

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

On the basis of solving the inverse problem of heat conductivity, a technique is presented for calculating the heat transfer coefficient and temperature of a steady-state gas flow by measuring temperature on the surface or in the depth of an inert material without the operation of numerical differentiation and smoothing of experimental data. The sensitivity of the solution to change in the convective heat transfer parameters is analyzed. We determine the measurement times at which experimental data contain maximum information on the sought parameters and the influence of measurement error on their determination is minimum. On the basis of approximation of the solution, the approximated formula for calculating the heat transfer coefficient is obtained. Application of the technique makes it possible to increase the accuracy in determining the convective heat transfer parameters by termocouple measurements.

引用

页码：741 / 746

页数：6

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