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RADIATIVE TRANSFER - VI. Proceedings of the 6th International Symposium on Radiative Transfer
June, 13-19, 2010, Antalya, Turkey

DOI: 10.1615/ICHMT.2010.RAD-6


ISBN Print: 978-1-56700-269-0

ISSN Online: 2642-5629

ISSN Flash Drive: 2642-5661

INFLUENCE OF THE LARGE EDDY SIMULATION SUBGRID-SCALES ON THERMAL RADIATION IN A NON-ISOTHERMAL TURBULENT PLANE JET

page 10
DOI: 10.1615/ICHMT.2010.RAD-6.260
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摘要

DNS of a turbulent plane jet has been carried out along with the resolution of the RTE in order to analyse the role of the turbulent small-scales on the thermal radiation. LES a-priori and a-posteriori tests have been applied for thermal radiation. The comparison of the results highlights the subgrid-scale influence over the filtered radiation quantities. It is shown that the small scales play a relevant role in the jet edge zone, where the radiative heat transfer is less important. However, at large optical thickness, the role of the SGS-TRI can be significant and may need to be taken into account in the coupling of radiative transfer with LES.

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