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Methods for controlling gas turbine casing flows during engine shutdown

Abstract:

During the shutdown of a gas turbine, natural convection flows occur inside of the engine casing. These natural convection flows cause the top of the engine casing to cool more slowly than the bottom of the casing. This non-uniform cooling can cause the casing to distort, known as “cat-back” distortion. This distortion leads to reduced tip and seal clearances, which can cause rubbing and binding. In this study, two different methods for reducing the non-uniform casing heat transfer in an indu...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's Version

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Publisher copy:
10.3390/ijtpp3020017

Authors


More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Engineering Science
Role:
Author
ORCID:
0000-0002-7387-4900
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Engineering Science
Oxford college:
St Annes College
Role:
Author
Mitsubishi Heavy Industries Ltd. More from this funder
Publisher:
MDPI Publisher's website
Journal:
International Journal of Turbomachinery, Propulsion and Power Journal website
Volume:
3
Issue:
2
Pages:
Article: 17
Publication date:
2018-06-12
Acceptance date:
2018-06-06
DOI:
ISSN:
2504-186X
Pubs id:
pubs:937536
URN:
uri:c5116506-cb0e-4788-bd4a-a496ba326241
UUID:
uuid:c5116506-cb0e-4788-bd4a-a496ba326241
Local pid:
pubs:937536

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