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Numerical simulations were applied to suddenlyexpandingpipe flows,with and without swirl at the inlet, using an eddyviscosity type k modeland Reynolds stress transport model variants. The predicted mean andturbulence results were compared with measurements. For the nonswirlingcase, the flowfield...
Based on a lumped mass model and an incremental iteration method, anefficient simultaneous iteration procedure is developed for the finiteelement solution of the enthalpy model. This procedure uses Gauss eliminationto solve the resulting algebraic equation system. A onepoint quadratureprogram...
The present study deals with twodimensional convective motion due tothe effect of a centrifugal force field on a fluid contained between twohorizontal concentric cylinders, for the particular case of an adiabaticinner boundary zero heat flux and a constant heat flux imposed on the outerboundary....
The interaction of variable property convection and surface radiation ina differentially heated square cavity is considered. Effect of surfaceradiation on natural convection has been studied from the point of view offlow structure and isotherm patterns. Wherever possible, a comparative studyhas...
The problems of transient natural convection from a corrugated plateembedded in an enclosed porous medium is studied numerically. The nonDarcianeffects as well as the acceleration terms are taken into consideration in themomentum equation. The governing equations in terms of vorticity,...
In Northern Regions, ice covers that form on rivers, streams, and lakeswith the onset of winter, cause various problems related to winter navigationand pollution dispersion among others. Warm water, from industrial plants,discharged into these rivers cause partial or total melting of the ice...
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