Computational Flow Development for Unsteady Viscous Flows

Computational Flow Development for Unsteady Viscous Flows
Author :
Publisher : Createspace Independent Publishing Platform
Total Pages : 42
Release :
ISBN-10 : 1726013553
ISBN-13 : 9781726013550
Rating : 4/5 (550 Downloads)

Book Synopsis Computational Flow Development for Unsteady Viscous Flows by : National Aeronautics and Space Administration (NASA)

Download or read book Computational Flow Development for Unsteady Viscous Flows written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-08-22 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: A procedure is presented for effective consideration of viscous effects in computational development of high Reynolds number flows. The procedure is based on the interpretation of the Navier-Stokes equations as vorticity transport equations. The physics of the flow was represented in a form suitable for numerical analysis. Lighthill's concept for flow development for computational purposes was adapted. The vorticity transport equations were cast in a form convenient for computation. A statement for these equations was written using the method of weighted residuals and applying the Galerkin criterion. An integral representation of the induced velocity was applied on the basis of the Biot-Savart law. Distribution of new vorticity, produced at wing surfaces over small computational time intervals, was assumed to be confined to a thin region around the wing surfaces. Bratanow, T. and Spehert, T. Unspecified Center NASA-CR-2995 NGR-50-007-001...


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