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Entropy and vorticity corrections for transonic flows

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 13 Jul 1983 English Publisher:WileyJournal:International Journal for Numerical Methods in Fluids, volume 8, pages 31-53 (issn: 0271-2091, eissn: 1097-0363,

Authors: Mohamed M. Hafez; D. Lovell;

doi: 10.1002/fld.1650080104 , 10.2514/6.1983-1926

Entropy and vorticity corrections for transonic flows

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Abstract

AbstractDifferent models for inviscid transonic flows are examined. The common assumptions that the flow is isentropic and irrotational are critically evaluated. Entropy and vorticity correction procedures for potential and stream function formulations are presented, together with the details of the treatment of shocks and wakes, and drag and lift calculations. The non‐uniqueness problem of the potential formulation is studied using different artificial viscosity forms. Numerical results are compared with Euler solutions.

Related Organizations

University of California, Davis
United States
National Aeronautics and Space Administration
United States
Langley Research Center
United States

Keywords

stream function solutions, inviscid transonic flows, Transonic flows, Basic methods in fluid mechanics, non-isentropic transonic flows, Euler solutions, Existence, uniqueness, and regularity theory for compressible fluids and gas dynamics, stream function formulations, vorticity correction procedures, non-uniqueness problem

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