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Title:Conditionally Analyzed Mean Velocity and Turbulence Measurements in a Plume-Induced Boundary Layer Separated Flowfield
Author(s):Palko, Carl Wayne
Doctoral Committee Chair(s):Dutton, J. Craig
Department / Program:Mechanical Engineering
Discipline:Mechanical Engineering
Degree Granting Institution:University of Illinois at Urbana-Champaign
Subject(s):Physics, Fluid and Plasma
Abstract:The shock-induced separation process was found to dramatically increase the streamwise and transverse Reynolds normal stresses (which both peak near reattachment), the primary shear stress, and the normal stress anisotropy. The shock-separated shear layer consists of only a single layer with a large initial growth rate followed by a much smaller growth rate, instead of the two layers found in rapidly expanded shear layers. The large-scale structures in the shock-separated shear layer span the shear layer width and exhibit a uniform transverse size. These structures display positive and negative shear stresses on their upper and lower edges, respectively, and are greatly altered by reattachment. All turbulent stresses decrease and the normal stress isotropy increases in the developing wake.
Issue Date:1998
Description:158 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1998.
Other Identifier(s):(MiAaPQ)AAI9834727
Date Available in IDEALS:2015-09-25
Date Deposited:1998

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