Experimental assessment of a nonlinear turbulent stress relation in a complex reciprocating engine flow

Experimental assessment of a nonlinear turbulent stress relation in a complex reciprocating... A nonlinear turbulent stress relationship, based on an explicit algebraic Reynolds stress closure, is compared against experimental data obtained in a swirl-supported, light-duty engine motored at constant speed. The model relationship is applied to measured mean velocity gradients and turbulence scales, and the predictions compared against the measured shear stress and normal stress anisotropy. Significant improvement over the linear stress relationship typically used in two-equation turbulence models is observed. Conditions under which the model predictions are poor are identified and the reasons for the poor performance discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experiments in Fluids Springer Journals

Experimental assessment of a nonlinear turbulent stress relation in a complex reciprocating engine flow

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Publisher
Springer-Verlag
Copyright
Copyright © 2009 by US Government
Subject
Engineering; Engineering Fluid Dynamics; Fluid- and Aerodynamics; Engineering Thermodynamics, Heat and Mass Transfer
ISSN
0723-4864
eISSN
1432-1114
D.O.I.
10.1007/s00348-009-0669-7
Publisher site
See Article on Publisher Site

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