#6761. Scale resolving simulations of a high-temperature turbulent jet in a cold crossflow: Comparison of two approaches

November 2026publication date
Proposal available till 25-05-2025
4 total number of authors per manuscript0 $

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Journal’s subject area:
Fluid Flow and Transfer Processes;
Mechanical Engineering;
Condensed Matter Physics;
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Abstract:
A high-temperature turbulent jet in a cold crossflow is investigated with the help of two scale-resolving simulation approaches. This work aims at improving the methodologies used to predict the thermal footprint of exhaust gases issuing from helicopter engines onto the fuselage. Specific attention is brought to the capability of scale resolving simulations to correctly reproduce flow dynamics and turbulent mixing. Mean flow features, turbulent quantities and temperature fields are compared and validated against wind tunnel test measurements. In addition, the present work highlights the importance of synthetic turbulence injection at pipe inlet to obtain a fair prediction of both flow dynamics and temperature field.
Keywords:
CFD; Jet in crossflow; RANS/LES; Turbulence

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