Experimental And Numerical Study Of Shock Wave Propagation Over Cylinders And Spheres
Author(s)
A. Abe, K. Takayama, K. Itoh
Abstract
Experimental and numerical study of shock
wave propagation over cylinders and spheres
A. Abe', K. Takayama', K. Itoh*
* Shock Wave Research Center of Institute of Fluid Science,
Tohoku University, Japan
Kakuda Research Center, National Aerospace Laboratory, Japan
Abstract
This is a preliminary study of shock wave attenuation over arrays of cylinder
and spheres. Firstly shock wave propagation over a single cylinder was
investigated experimentally and numerically. Secondly the result was extended
to shock wave attenuation over arrays of cylinders and spheres. The experiment
was conducted in a 60 mm x 150 mm diaphragmless shock tube equipped with
double exposure holographic interferometry. Numerical simulations were
carried out by using a finite volume, Euler and Navier-Stokes solvers. A higher
degree of reproducibility of the shock tube enabled to conduct sequential
experiments under identical initial conditions by successively varying delay
time so as to rearrange the vi
Keywords
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