2024-03-28T12:12:53Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/512562016-02-17T07:41:56Zcom_10261_130com_10261_4col_10261_383
DIGITAL.CSIC
author
Jiménez, C.
author
Valiño García, Luis
author
Dopazo, C.
2012-06-11T11:55:24Z
2012-06-11T11:55:24Z
2001
Physics of Fluids 13: 2433-2436 (2001)
http://hdl.handle.net/10261/51256
10.1063/1.1384891
A priori tests of subgrid scale (SGS) models for the transport of scalars by turbulence are performed by studying the transfer of scalar fluctuations between resolved and subgrid scales in a temporal mixing layer. They confirm that both forward and backward transfer are present, what can be best represented by mixed models (eddy-diffusivity+scale-similarity). However, a posteriori tests show that eddy-diffusivity models, even if only able to dissipate fluctuations from resolved to subgrid scales, give very similar results to mixed models, provided that an appropriate model is used for SGS stresses. © 2001 American Institute of Physics.
eng
closedAccess
A priori and a posteriori tests of subgrid scale models for scalar transport
artículo
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URL
https://digital.csic.es/bitstream/10261/51256/1/accesoRestringido.pdf
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accesoRestringido.pdf
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https://digital.csic.es/bitstream/10261/51256/5/accesoRestringido.pdf.txt
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accesoRestringido.pdf.txt