LES of an inclined jet into a supersonic cross-flow
Antonino Ferrante, Carlos Pantano-Rubino, Georgios Matheou, Paul E., Dimotakis, Mike Stephens, Paul Adams, Richard Walters, Randall Hand
TL;DR
This paper presents LES simulations of helium injection through an inclined jet into a Mach 3.6 supersonic cross-flow, capturing key flow features like shocks, vortices, and large-scale structures.
Contribution
It applies LES with a stretched vortex model to accurately simulate complex supersonic jet-in-cross-flow interactions.
Findings
Captured bow shock, Mach disk, shear layers, and vortical structures.
Demonstrated LES effectiveness in high Mach number flow simulations.
Provided detailed flow visualizations and animations.
Abstract
This short article describes flow parameters, numerical method, and animations of the fluid dynamics video LES of an Inclined Jet into a Supersonic Cross-Flow (http://hdl.handle.net/1813/11480). Helium is injected through an inclined round jet into a supersonic air flow at Mach 3.6. The video shows 2D contours of Mach number and magnitude of density gradient, and 3D iso-surfaces of Helium mass-fraction and vortical structures. Large eddy simulation with the sub-grid scale (LES-SGS) stretched vortex model of turbulent and scalar transport captures the main flow features: bow shock, Mach disk, shear layers, counter-rotating vortices, and large-scale structures.
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Taxonomy
TopicsComputational Fluid Dynamics and Aerodynamics · Fluid Dynamics and Turbulent Flows · Plasma and Flow Control in Aerodynamics