An Analysis of Transonic Viscous/inviscid Interactions on Axisymmetric Bodies with Solid Strings Or Real Plumes
Author | : Steven F. Yaros |
Publisher | : |
Total Pages | : 178 |
Release | : 1978 |
Genre | : Aerodynamic load |
ISBN | : |
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Author | : Steven F. Yaros |
Publisher | : |
Total Pages | : 178 |
Release | : 1978 |
Genre | : Aerodynamic load |
ISBN | : |
Author | : Steven F. Yaros |
Publisher | : |
Total Pages | : 162 |
Release | : 1977 |
Genre | : Aerodynamic load |
ISBN | : |
Author | : Mark R. Nichols |
Publisher | : |
Total Pages | : 100 |
Release | : 1980 |
Genre | : Aerodynamics |
ISBN | : |
Author | : James Lee Thomas |
Publisher | : |
Total Pages | : 198 |
Release | : 1983 |
Genre | : Boundary value problems |
ISBN | : |
Author | : Shahyar Pirzadeh |
Publisher | : |
Total Pages | : 200 |
Release | : 1988 |
Genre | : Aerodynamics, Transonic |
ISBN | : |
Author | : National Aeronautics and Space Adm Nasa |
Publisher | : |
Total Pages | : 52 |
Release | : 2018-11-02 |
Genre | : |
ISBN | : 9781729386286 |
An efficient steady analysis for predicting strong inviscid/viscid interaction phenomena such as viscous-layer separation, shock/boundary-layer interaction, and trailing-edge/near-wake interaction in turbomachinery blade passages is needed as part of a comprehensive analytical blade design prediction system. Such an analysis is described. It uses an inviscid/viscid interaction approach, in which the flow in the outer inviscid region is assumed to be potential, and that in the inner or viscous-layer region is governed by Prandtl's equations. The inviscid solution is determined using an implicit, least-squares, finite-difference approximation, the viscous-layer solution using an inverse, finite-difference, space-marching method which is applied along the blade surfaces and wake streamlines. The inviscid and viscid solutions are coupled using a semi-inverse global iteration procedure, which permits the prediction of boundary-layer separation and other strong-interaction phenomena. Results are presented for three cascades, with a range of inlet flow conditions considered for one of them, including conditions leading to large-scale flow separations. Comparisons with Navier-Stokes solutions and experimental data are also given. Barnett, Mark and Verdon, Joseph M. and Ayer, Timothy C. Unspecified Center NAS3-25425; RTOP 584-03-11...