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Journal of Flow Visualization and Image Processing
SJR: 0.161 SNIP: 0.312 CiteScore™: 0.1

ISSN Print: 1065-3090
ISSN Online: 1940-4336

Journal of Flow Visualization and Image Processing

DOI: 10.1615/JFlowVisImageProc.v4.i1.50
pages 51-57

ELECTRICAL DISCHARGE TECHNIQUE FOR THREE-DIMENSIONAL FLOW FIELD VISUALIZATION IN HYPERSONIC SHOCK TUNNEL

G. Jagadeesh
Department of Aerospace Engineering, Indian Institute of Science, Bangalore-560 012, India
B. R. Srinivasa Rao
Department of Aerospace Engineering, Indian Institute of Science, Bangalore-560 012, India
K. Nagashetty
Department of Aerospace Engineering, Indian Institute of Science, Bangalore-560 012, India
N. M. Reddy
Department of Aerospace Engineering, Indian Institute of Science, Bangalore-560 012, India
K. P. J. Reddy
Department of Aerospace Engineering, Indian Institute of Science, Bangalore-560 012, India

ABSTRACT

Visualization of flow around the bodies in a hypersonic shock tunnel based on electrical discharge is described. The flowfields around a flat plate with a sharp and blunt leading edge and a slender cone with sharp nose cone in HST1 shock tunnel at Mach 5.75 are visualized using this technique. The results of these studies are presented here. This technique can be extended for three-dimensional flow visualization by appropriate arrangement of the electrodes and the camera position.


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