What is it about?
This study investigates the effect of heated region shape on flow physics in Mach 2 flow. The heated region is obtained through energy deposition, such as a laser. Two different shapes, a spherical heated region and a cylindrical heated region, are analyzed to understand their influence on aerodynamic forces. Computational fluid dynamics simulations are conducted, where a steady-state solution without energy deposition is first obtained, followed by an unsteady simulation with energy addition. Results indicate that altering the heated region shape affects the interaction between the blast wave and the bow shock, influencing shock structure and vortex formation. This alters the drag reduction obtained from the different shapes used. The spherical heated region produces greater drag reduction compared to the cylindrical heated region.
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This page is a summary of: Effect of Shape of a Heated Region on the Physics of Mach 2 Flow Over a Hemisphere Cylinder, January 2025, American Institute of Aeronautics and Astronautics (AIAA),
DOI: 10.2514/6.2025-2198.
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