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Cooling performance of a narrow impingement channel including the introduction of cross flow upstream of the first hole

Abstract:

Impingement channels are often used in turbine blade cooling configurations. This paper examines the heat transfer performance of a typical integrally cast impingement channel. Detailed heat transfer coefficient distributions on all heat transfer surfaces were obtained in a series of low temperature experiments carried out in a large-scale model of a turbine cooling system using liquid crystal techniques. All experiments were performed on a model of a 19-hole, low aspect ratio impingement cha...

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Publisher copy:
10.1115/IMECE2003-43975

Authors


Chambers, AC More by this author
Gillespie, DRH More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Engineering Science
Dailey, GM More by this author
Publisher:
American Society of Mechanical Engineers (ASME)
Journal:
American Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD
Volume:
374
Issue:
2
Pages:
131-142
Publication date:
2003
DOI:
ISSN:
0272-5673
URN:
uuid:d9249aaa-6248-4749-9eaa-33ec4f30e978
Source identifiers:
280952
Local pid:
pubs:280952

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