Effect of coolant side heat transfer on transpiration cooling

被引：0
|
作者：
J. von Wolfersdorf
机构：
[1] University of Stuttgart,Institute of Aerospace Thermodynamics
来源：
Heat and Mass Transfer | 2005年 / 41卷
关键词：
Heat Transfer Coefficient; Porous Wall; Thermal Barrier Coating; Porous Ceramic; Transpiration Cool;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A simple analysis is described addressing the effect of simultaneous cooling from the back side and from a transpiration flow through a porous wall. The analysis draws from existing approaches and uses simplified formulations for the boundary conditions. Therewith expressions for the non-thermal equilibrium situation and for the overall cooling effectiveness are derived. These parameters are used to estimate the effect of enhanced cooling side heat transfer in combination with transpiration flows. The analysis is extended to situations with two combined layers of porous transpiration cooled materials.
引用
收藏
页码：327 / 337
页数：10
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