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|Title:||Application of simplified numerical and analytical methods for rapid analysis in atmospheric entry vehicle design|
|Abstract:||Selected simplified numerical and analytical methods are applied to flow around hypersonic adiabatic blunt bodies. In particular, selected methods that are well defined in the literature, such as the modified Newton’s method, transformed finite difference grid in the shock layer, and the method of characteristics in the supersonic region, are utilized to solve the flow around an adiabatic circular cylinder at Mach 6. The results are compared to results obtained by numerical simulation of the compressible Navier-Stokes equations. The comparison is used to draw conclusions about the applicability and accuracy of these methods as they apply to low Reynolds number, small radius of curvature bodies such as atmospheric entry vehicles. A minor improvement to the results is proposed by the inclusion of an iterative interaction between the boundary layer displacement thickness, and the external inviscid free-stream.|
|Appears in Collections:||Johansen, Craig|
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|Hinman_AIAA_Kissimmee_2015_Reprint Version3.pdf||Main Article||983.32 kB||Adobe PDF||View/Open|
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