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An investigation of a prospective technique to reduce trailing-edge noise is presented. The computational approach based on large-eddy simulations (LES) and solutions of the acoustic perturbation equations (APE) is applied to trailing-edge noise of a flat plate at a freestream Mach number 0.6 and a Reynolds number of 12,000 based on the boundary-layer thickness at the inflow boundary. At two locations,...
The aerodynamic and acoustic fields of hot coaxial jets are analyzed based on a hybrid computational aeroacoustics (CAA) approach. Two hot coaxial jets and one cold coaxial jet are considered to investigate the acoustic changes caused by a non-uniform density field. The Mach numbers of the hot primary jets are 0.6 and 0.88. The numerical method is based on large-eddy simulations (LES) and solutions...
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