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This article shows that equations solved in LES of transcritical real gas flows need to be complemented by two subgrid-scale terms that don't exist in perfect gas: SGS pressure and SGS pressure work. No model exists for those terms in the inertial zone of the turbulence spectrum. A DNS database is made available to other research teams to test ideas and propose new modeling strategies.

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This page is a summary of: A priori analysis of subgrid-scale terms in compressible transcritical real gas flows, Physics of Fluids, August 2021, American Institute of Physics,
DOI: 10.1063/5.0059463.
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