The effect of temperature on the aeroacoustics and flow physics for a rectangular jet with two unmixed streams produced by a three-stream engine is investigated using the Naval research lab code, JENRE (Jet Engine Noise Reduction). This study focuses on a heated and unheated main stream and an unheated third stream. Heated results are compared to an unheated case with the same thrust Comparisons focus on flow features such as corner vortices, shock structures, shear layers, and their effect on noise propagation. Techniques such as proper orthogonal decomposition, correlations, and wavelet analysis are used to identify areas in the flow responsible for the noise generation.
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