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Advanced method of processing liquid crystal video signals from transient heat transfer experiments

Abstract:
A new method of processing the liquid crystal color change data obtained from transient heat transfer experiments is presented. The approach uses the full intensity history recorded during an experiment to obtain an accurate measurement of the surface heat transfer coefficient at selected pixels. Results are presented for a model of a turbine blade cooling passage with combined ribs and film cooling holes. The implementation of the technique and the advantages to be gained from its application are discussed.

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Institution:
University of Oxford
Department:
Oxford, MPLS, Engineering Science
Role:
Author
Publisher:
Publ by ASME
Journal:
American Society of Mechanical Engineers (Paper)
Pages:
1-7
Publication date:
1993-01-01
ISSN:
0402-1215
URN:
uuid:1f592787-192f-414e-bb90-73ee218dee0f
Source identifiers:
399328
Local pid:
pubs:399328
Language:
English

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