Time-resolved quantitative visualization of complex flow field emanating from an open-ended shock tube by using wavefront measuring camera

Abstract

Quantitative visualization of shock-induced complex flow field emanating from the open end of a miniaturized hand-driven shock tube (Reddy tube) is presented. During operation, the planar shock wave of Mach number Mi=1.3 is discharged through the low-pressure driven-section, kept open to ambient atmosphere. From the moment of shock discharge, its aftereffects of evolving flow field are recorded quantitatively for 300us near the exit of the tube by using our newly developed high resolution (16Mpixel) in-house developed wavefront measuring camera setup.