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Pressure flux-split viscous solutions for subsonic diffusersA method for predicting flow in diffusers with inlet swirl has been developed. Solutions of the pressure flux-split Reduced Navier Stokes (RNS) equations are obtained for flows in axisymmetric diffusers. Viscous-Inviscid interactions and flow fields with toroidal recirculation regions are efficiently captured. The computational model is verified by comparision with experimental data and other computations. The extreme sensitivity to grid, turbulent closure model and inlet profiles is discussed.
Document ID
19910059003
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Pordal, H. S. (Cincinnati Univ. OH, United States)
Khosla, P. K. (Cincinnati Univ. OH, United States)
Rubin, S. G. (Cincinnati, University OH, United States)
Date Acquired
August 15, 2013
Publication Date
June 1, 1991
Subject Category
Aerodynamics
Report/Patent Number
AIAA PAPER 91-1745
Report Number: AIAA PAPER 91-1745
Accession Number
91A43626
Funding Number(s)
CONTRACT_GRANT: NAG3-1178
CONTRACT_GRANT: AF-AFOSR-90-0096
Distribution Limits
Public
Copyright
Other

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