Computation of subsonic viscous and transonic viscous-inviscid unsteady flow
A new viscous-inviscid interaction scheme is introduced, which implicitly couples the unsteady Euler and the boundary-layer equations. The adequacy of an integral formulation of the viscous flow equations for use in unsteady flows is shown in comparison with experimental results and finite-differenc...
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| Veröffentlicht in: | Computers & fluids 1993-07, Vol.22 (4), p.649-661 |
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| container_title | Computers & fluids |
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| creator | Müller, U.R. Henke, H. |
| description | A new viscous-inviscid interaction scheme is introduced, which implicitly couples the unsteady Euler and the boundary-layer equations. The adequacy of an integral formulation of the viscous flow equations for use in unsteady flows is shown in comparison with experimental results and finite-difference computations, and an explanation is worked out which traces back the unsteady response of the mean and turbulence field due to the external unsteadiness to a quasi-steady behaviour. The interaction computations of transonic airfoil flows by means of the Euler-boundary-layer technique are compared with the steady and unsteady experimental data sets for the RAE 2822 and the NLR 7301 supercritical airfoils, respectively. |
| doi_str_mv | 10.1016/0045-7930(93)90030-D |
| format | Article |
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| ispartof | Computers & fluids, 1993-07, Vol.22 (4), p.649-661 |
| issn | 0045-7930 1879-0747 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_744654882 |
| source | Access via ScienceDirect (Elsevier) |
| subjects | Airfoils Boundary layer flow Calculations Compressible flows shock and detonation phenomena Computer simulation Exact sciences and technology Finite difference method Fluid dynamics Fundamental areas of phenomenology (including applications) Mathematical models Physics Subsonic flow Transonic flow Viscous flow |
| title | Computation of subsonic viscous and transonic viscous-inviscid unsteady flow |
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