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    Inviscid to turbulent transition of trailing vortices (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The characteristics of the plateau region in the vortex system which trails from a lifting wing are discussed. The decay of the vortex due to viscous or turbulent shear is very slow in the plateau so that the maximum tangential speed in the vortices remains nearly constant for some distance downstream of roll-up and then begins to decrease, becoming inversely proportional to the square root of the distance downstream. Mathematical models are developed to analyze the structure of the plateau area. Solutions are obtained for both constant and variable eddy viscosity models.
    Keywords: AERODYNAMICS
    Type: NASA-CR-142298 , ISU-ERI-AMES-74241
    Format: application/pdf
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