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Finite volume schemes optimized for low numerical dispersion and their aeroacoustic applicationsNance, Douglas Vinson 12 1900 (has links)
No description available.
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Linear stability of coaxial jets with application to aeroacousticsPerrault-Joncas, Dominique C. January 2008 (has links)
Motivated by a practical interest in noise generated by turbofan engine, this thesis studies the stability of parallel coaxial jets with velocity and temperature profiles characteristic of the exhaust region of the engine. Because the bypass stream mixes with both the exhaust and the ambient air, these profiles contain thin layers in which the velocity and temperature may vary rapidly. As a consequence, multiple instability modes are possible. In accordance with Rayleigh's theorem for axisymmetric incompressible shear flows, it follows that there are three possible modes, only two of which are unstable. To complement the study of parallel flow stability, this thesis also includes the derivation of the amplitude evolution equation for slowly varying axisymmetric incompressible flows.
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Linear stability of coaxial jets with application to aeroacousticsPerrault-Joncas, Dominique C. January 2008 (has links)
No description available.
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