Numerical investigation of supersonic air flow with perpendicular injection of a gas jet in a plane channel.
Keywords:
сверхзвуковой поток, струя гелия, турбулентность, к-е модель, Болдуина-Ломакса модель, ENO схемаAbstract
Numerical investigation of supersonic turbulent flow with perpendicular injection of helium jet is considered. The algorithm of numerical solution is based on the third order of accuracy ENO scheme. The influence of k −ε model, k −ε with compressibility and Baldwin-Lomax’s model on shock wave structure of the flow, supersonic and subsonic zones, on formation of vortex (recirculation) structure in the subsonic zone near wall before and after the jet are investigated. Also, the geometry and flow parameters influence on the separation region near the wall and on the penetration depth of the jet are investigated. The quantitative and qualitative agreement of numerical results with Kramer and Rogers experimental data, particularly, the pressure on the wall was obtained.References
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2. Clarence F. Chenault and Philip S. Beran k −ε and Reynolds Stress Turbulence Model Comparisons for Two-Dimensional Injection Flows // AIAA Journal. - August 1998 - vol.36,No 8.
3. J.P. Drummond Numerical simulation for perpendicular sonic hydrogen injection into a ducted supersonic airstream // AIAA. - vol.17, No.5 - P. 531-533.
4. Dean R. Eklund et al. Calculation of Supersonic Turbulent Reacting Coaxial Jets // AIAA Journal. - vol.28, No. 9.
5. J.Sh. Shun and S. Yun Numerical investigation of the flows with chemical reactions based on the LU-factored scheme constructed by the method of the symmetric successive overrelaxation // Aerokosmich. Tekhnika. - No.10 - P. 102-113.
6. Muhamed Ali, S. Ahmed, A.K.M. Sadrul Islam The Two-Dimensional Supersonic Flow and Mixing with a Perpendicular Injection in a Scramjet Combustor // Journal of Thermal Science. - 2003 - Vol.12, No.4 - P. 372-380.
7. Лойцянский Л.Г. Механика жидкости и газа. - Москва: Наука, 1987 г.
8. D. P. Rizetta Numerical Investigation of Supersonic Wing-Tip Vortices // 26-th AIAAFluid Dynamics Conference.
9. Beketaeva A.O., Naimanova A. Zh. Numerical simulation of a supersonic flow with transverse injection of jets // Journal of Applied Mechanics and Technical physics. - 2004 -vol.45 - P. 367-374.
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