抄録
The unsteady transonic flow induced behind a shock wave is of importance to study unsteady shock wave loading over bodies. the present paper reports experimental and computational investigation of unsteady transonic flow over an elliptical cylinder in a shock tube. The experiment was conducted in a 60 mm x 150 mm shock tube equipped with double exposure holographic interferometry. To simulate the unsteady transonic shock tube flow, Total Variation Diminishing (TVD) finite difference scheme is applied to the Navier - Stokes equations. The complicated unsteady transonic flow accompanied by shock waves was successfully simulated with a high resolution. The computational isopycnics are consistent with the interferogram.
