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International Journal of Energetic Materials and Chemical Propulsion
ESCI SJR: 0.28 SNIP: 0.421 CiteScore™: 0.9

ISSN Druckformat: 2150-766X
ISSN Online: 2150-7678

International Journal of Energetic Materials and Chemical Propulsion

DOI: 10.1615/IntJEnergeticMaterialsChemProp.v1.i1-6.70
pages 81-92

A Review of the Fluid Dynamic Aspects of the Effect of Base Bleed

J. Sahu
Computational Aerodynamics Branch U.S. Army Ballistic Research Laboratory Aberdeen Proving Ground, Maryland 21105, USA
W. L. Chow
Department of Mechanical and Industrial Engineering University of Illinois at Urbana-Champaign 1206 West Green Street Urbana, Illinois 61801, USA

ABSTRAKT

The fluid dynamic aspect of the effect of base bleed is briefly reviewed. Earlier understanding on the basis of interaction between the viscous and inviscid streams can adequately explain the three different flow regimes resulting from base bleed or mass injection into the base region. The effect of energy addition to the wake has also been ascertained from this approach. Detailed numerical computations of base flow can be made by solving the Navier-Stokes equations. The effect of base bleed can then be illustrated by providing appropriate bleed boundary conditions at the base.


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