Investigation of Nonuniformity of the Velocity Distribution in the Shear Layer of an Underexpanded Jet by Electric Discharge Tracing of the Flow

Research paper by V. I. Zapryagaev, A. P. Petrov, A. V. Solotchin

Indexed on: 01 Nov '04Published on: 01 Nov '04Published in: Journal of Applied Mechanics and Technical Physics


Streamwise and radial components of velocity in the shear layer of an underexpanded jet are measured by the method of spark tracing. The nonuniform distribution of gas-dynamic parameters of the flow in this region is caused by streamwise Görtler-type vortex structures.