Electronic Resource
New York, NY
:
American Institute of Physics (AIP)
Physics of Fluids
3 (1991), S. 356-358
ISSN:
1089-7666
Source:
AIP Digital Archive
Topics:
Physics
Notes:
A spatial stability analysis is performed to determine the effect of wall placement on instability waves in confined supersonic shear layers. It is shown that the growth rates of Kelvin–Helmholtz instability waves are independent of wall height. However, supersonic instability waves are found to exhibit peaks and valleys in their growth rate curve as a result of the reinforcement and cancellation of the reflected Mach waves at the shear layer. Finally, it is shown how the instability growth rates in a ducted shear layer may be maximized by the proper choice of the duct width to height ratio.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.858145
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