Steady state temperature of a two-layer body subjected to a moving heat source and convective cooling

被引：5

作者：

Garcia de Maria, J. M. ^{[1
]}

Laraqi, N. ^{[2
]}

机构：

[1] Univ Politecn Madrid, Dept Fis Aplicada EUITI, E-28012 Madrid, Spain

[2] TIE, Dept GTE, Lab Therm Interfaces Environm, EA 4415, F-92410 Ville Davray, France

来源：

INTERNATIONAL JOURNAL OF THERMAL SCIENCES | 2010年 / 49卷 / 05期

关键词：

Analytical solution; Moving heat sources; Two-layer; Diffusion-advection problems; THERMAL CONTACT RESISTANCE; BEHAVIOR; ROLLERS; SOLIDS;

D O I：

10.1016/j.ijthermalsci.2009.10.009

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Surface coatings are often used in tribological applications to protect the surfaces subject to friction. Coatings can play a double role: (i) improvement of the resistance to wear, (ii) enhancement of the diffusion of heat generated by friction. We present in this work an analytical modelling of the three-dimensional heat diffusion in a two-layer medium subjected to local heating and to surface cooling. The solid is moving with respect to the heat source that causes the heating. Based on this model, we study the variation of the temperature distribution as a function of physical parameters such as: (i) the coating thickness, (ii) the relative velocity of the solid with respect to the heat source (iii) the convective heat transfer coefficient. (C) 2009 Elsevier Masson SAS. All rights reserved.

引用

页码：756 / 761

页数：6

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