MIXING ENHANCEMENT USING
U.S. Patent 6,666,016
|What it is
The phenomenon exemplified by these images involves axial injection of a gas at special conditions that lead to:
The mixing enhancement mechanism has been traced to instabiliy of the shock system in supersonic nozzle flow separation.
Papamoschou, D., "Mixing Enhancement Using Axial Flow," AIAA-2000-0093 (PDF).
Murakami, E. and Papamoschou, D., "Experiments on Mixing Enhancement in Dual-Stream Jets," (PDF).
Papamoschou, D., Dixon, T.T, and Nishi, K.A., "Mean Flow of Multistream Rectangular Jets under Normal and Mixing-Enhancement Conditions," AIAA-2004-0919 (PDF).
Debiasi, M., Dhanabalan, S. S., Tsai, H. M., and Papamoschou, D., Mixing Enhancement of High-Bypass Turbofan Exhausts via Contouring of Fan Nozzle, AIAA Paper 2007-4497 (PDF).
Xiao, Q., Tsai, H.M., and Papamoschou, D., "Numerical Investigation of Supersonic Nozzle Flow Separation," AIAA Journal, Vol. 45, No.3, 2007, pp. 532-541 (PDF).
Xiao, Q., Tsai, H.M., and Papamoschou, D., and Johnson, A., "Experimental and Numerical Study of Jet Mixing from a Shock-Containing Nozzle," Journal of Propulsion and Power, Vol. 25, No.3, 2009, pp. 688-696.(PDF)
Papamoschou, D., Zill, A., and Johnson, A., "Supersonic Flow Separation in Planar Nozzles, " Journal of Shock Waves, Vol.19, No.3, 2009, pp. 171-183 (PDF).
Johnson, A.D., and Papamoschou, D., "Instability of Shock-Induced Nozzle Flow Separation," Physics of Fluids, Vo.22, Article 016102, 2010. (PDF).
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