A two-dimensional heat transfer model for thermal barrier coating average thermal conductivity computation

被引：31

作者：

Bolot, R ^{[1
]}

Anton, G ^{[1
]}

Montavon, G ^{[1
]}

Coddet, C ^{[1
]}

机构：

[1] Univ Technol Belfort Montbeliard, LERMPS, F-90010 Belfort, France

来源：

NUMERICAL HEAT TRANSFER PART A-APPLICATIONS | 2005年 / 47卷 / 09期

关键词：

D O I：

10.1080/10407780590921953

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The present article is devoted to quantifying the contribution of pores and cracks in the decrease of the effective thermal conductivity of thermal barrier coatings (TBCs). A finite-difference-based model is used for the computation of heat transfer through a porous structure. Each pixel of a binary picture describing the pore network is interpreted as a cell of integration of the heat conduction equation. A thermal gradient is applied and a large system of linear equations is subsequently derived. Since it has a strong influence on the required CPU time, particular attention is given to the solving procedure.

引用

页码：875 / 898

页数：24

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