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Application of film cooling to an unshrouded high-pressure turbine casing

Abstract:

In this paper, we describe the design, modeling, and experimental testing of a film cooling scheme employed on an unshrouded high-pressure (HP) rotor casing. The casing region has high thermal loads at both low and high frequency, with the flow being dominated by the potential field of the rotor and over-tip leakage flows. Increasingly high turbine entry temperatures necessitate internal and film cooling of the casing to ensure satisfactory service life and performance. There are, however, ve...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1115/1.4035276

Authors


Collins, M More by this author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Engineering Science
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Engineering Science
Oxford college:
University College
Rolls-Royce plc More from this funder
Publisher:
American Society of Mechanical Engineers Publisher's website
Journal:
Journal of Turbomachinery Journal website
Volume:
139
Issue:
6
Pages:
061010
Publication date:
2017-02-07
Acceptance date:
2016-11-02
DOI:
EISSN:
1528-8900
ISSN:
0889-504X
Pubs id:
pubs:683755
URN:
uri:2851f417-732e-456e-aba9-6ecf3b62e21e
UUID:
uuid:2851f417-732e-456e-aba9-6ecf3b62e21e
Local pid:
pubs:683755
Keywords:

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