Abstract
The SIMPLE turbulence model procedure of Patankar (1980) is presently used to systematically assess the applicability of the standard k-epsilon turbulence model and one of its variations to decaying swirl prediction in developing turbulent pipe-flow. It is found that the trends and extent of the decaying tangential velocity are well-predicted by the standard k-epsilon model; the modified turbulence model results in slower decay, but with no substantial improvement over the standard model. 6 refs.
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