Experimental study on mixing enhancement in two dimensional supersonic flow |
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| Authors: | B V N Charyulu J Kurian P Venugopalan V Sriramulu |
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| Institution: | (1) Defence Research and Development Laboratory, Kanchanbagh, Hyderabad - 500 058, India, IN;(2) Department of Aerospace Engineering, Indian Institute of Technology, Madras - 600 036, India, IN;(3) Department of Mechanical Engineering, Indian Institute of Technology, Madras - 600 036, India, IN |
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| Abstract: | Studies on mixing enhancement with two dimensional (2D) lobed nozzle have been conducted in a dual stream supersonic flow
facility. The distributions of momentum flux, stagnation pressure and stagnation temperature across a plane at different axial
distances from the nozzle exit were considered as a measure of mixing. The results indicated an enormous enhancement in mixing
when 2D lobed nozzle was employed in comparison with conventional plain 2D nozzle. The enhanced mixing performance could be
attributed to the large scale axial vortices observed in the flow-field of subsonic lobed nozzles by earlier investigators.
Received: 27 December 1996 / Accepted: 21 August 1997 |
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