Measured overall effusion cooling effectiveness over a wide blowing ratio range using infrared imaging

ZHANG Chi

Chinese

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Measured overall effusion cooling effectiveness over a wide blowing ratio range using infrared imaging

更新时间：2026-07-07

- Measured overall effusion cooling effectiveness over a wide blowing ratio range using infrared imaging
- Vol. 25, Issue 7, (2010)
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- Published：2010
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ZHANG Chi. Measured overall effusion cooling effectiveness over a wide blowing ratio range using infrared imaging[J]. 2010, 25(7).
DOI：

ZHANG Chi. Measured overall effusion cooling effectiveness over a wide blowing ratio range using infrared imaging[J]. 2010, 25(7). DOI：

摘要

Experimental investigations were performed on the overall cooling effectiveness η of a flat effusion wall over a wide range of blowing ratio(M=0.47～5.27).The effusion wall had a staggered multi-hole pattern typical of gas turbine combustor application

with a ratio of hole pitch to row spacing P/S=1∶2

a porosity PS/d2=72

and an inclination angle α=30°.The current paper documented distribution of the overall cooling effectiveness on the wall surface

based on infrared imaging of the 2-D surface tem...

Abstract

with a ratio of hole pitch to row spacing P/S=1∶2

a porosity PS/d2=72

and an inclination angle α=30°.The current paper documented distribution of the overall cooling effectiveness on the wall surface

based on infrared imaging of the 2-D surface tem...

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Related Institution

Department of Power and Propulsion, School of Engineering, Cranfield University, United Kingdom

Institute of Steam and Gas Turbines, RWTH Aachen University, Templergraben 55,- Aachen

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