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Entropy generation in a boundary layer transitioning under the influence of freestream turbulence

Abstract:

The objective of the present research is to develop new fundamental knowledge of the entropy generation process in laminar flow with significant fluctuations (called pre-transition) and during transition prematurely induced by strong freestream turbulence (bypass transition). Results of direct numerical simulations are employed. In the pre-transitional boundary layer, the perturbations by the streaky structures modify the mean velocity profile and induce a "quasi-turbulent" contribution to in...

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Publisher copy:
10.1115/1.4004093

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Journal:
Journal of Fluids Engineering, Transactions of the ASME
Volume:
133
Issue:
6
Pages:
061203-061203
Publication date:
2011-01-01
DOI:
EISSN:
1528-901X
ISSN:
0098-2202
URN:
uuid:41489638-7be9-4269-a4bc-1a022f566c2a
Source identifiers:
369448
Local pid:
pubs:369448
Language:
English

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