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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/18910

Title: Numerical Determination Of The Transition Boundary Between Regular and Mach Reflection For Planar Shocks Striking Wedges and Cones in Air
Authors: Michalagas, Dean Andrew
Advisor: Gottlieb, James J.
Department: Aerospace Science and Engineering
Keywords: numerical investigation
transition
regular reflection
Mach reflection
Issue Date: 15-Feb-2010
Abstract: A numerical investigation of the interaction of a planar shock wave with a rigid wedge and cone in an air-filled shock tube is performed by computing the unsteady flow field of the interaction process. The Euler and Navier-Stokes equations are solved in two dimensions to produce flow solutions for regular and Mach reflections with and without the viscous and thermal boundary layer on the inclined surface. The transition boundary between these two patterns is determined by changing both the shock strength and the angle of the inclined surface so that the simulations are perpendicular to the theoretical transition boundary. The numerically determined boundaries are compared to the theoretical boundaries predicted by two- and three- shock theories and with results obtained from experiments. The results show that the transition boundary between regular and Mach reflection is different not only for wedges and cones but also for inviscid and viscous numerical solutions.
URI: http://hdl.handle.net/1807/18910
Appears in Collections:Master
Institute for Aerospace Studies - Master theses

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