Simulation of multiple shock-shock interference patterns on a cylindrical leading edge
| Autor: | Kwen Hsu, Ijaz H. Parpia |
|---|---|
| Rok vydání: | 1996 |
| Předmět: |
Shock wave
Hypersonic speed Astrophysics::High Energy Astrophysical Phenomena Expansion tunnel Aerospace Engineering Laminar flow Mechanics Shock (mechanics) Physics::Fluid Dynamics Classical mechanics Inviscid flow Oblique shock Bow shock (aerodynamics) Astrophysics::Galaxy Astrophysics Mathematics |
| Zdroj: | AIAA Journal. 34:764-771 |
| ISSN: | 1533-385X 0001-1452 |
| DOI: | 10.2514/3.13138 |
| Popis: | Numerical simulations of hypersonic shock-shock interactions that arise when two shocks impinge on the bow shock in front of a cylinder are presented. Results are shown for both inviscid and laminar viscous flow models, using perfect-gas and equilibrium-air assumptions for a range of incident shock locations. These results are compared with experiment, and with flow patterns identified previously using Edney's method. It has been found that under the conditions simulated here, one suggested interaction flowfield, the pattern of dual type IV supersonic jets, exists only temporarily, eventually transforming to a concomitant-jets pattern. The validity of this numerical result is confirmed by a simulation of the entire transient process in a shock tunnel of the type used in the experimental study. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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