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|Title:||A comparative study of five low Reynolds number k-ε models for impingement heat transfer|
|Keywords:||Impingement heat transfer|
Low Reynolds number k-ε model
|Source:||Wang, S.J., Mujumdar, A.S. (2005-01). A comparative study of five low Reynolds number k-ε models for impingement heat transfer. Applied Thermal Engineering 25 (1) : 31-44. ScholarBank@NUS Repository. https://doi.org/10.1016/j.applthermaleng.2004.06.001|
|Abstract:||Five versions of low Reynolds number k-ε models for the prediction of the heat transfer under a two-dimensional turbulent slot jet were analyzed by comparison with the available experimental data. The Yap correction proposed for reducing the turbulence length scale in the near wall region was also tested with low Reynolds number k-ε models and found that for most of the models tested it is capable of improving the predicted local Nusselt number in good agreement with the experimental data in both stagnation and wall jet regions. Effects of the magnitudes of the turbulence model constants were also carried out for two low Reynolds number k-ε models and found that the set of model constants identical to those in the high Reynolds number k-ε model performs better than the original ones for jet impingement configurations. Finally, the effect of three jet inlet velocity profiles on the heat transfer rate was evaluated. © 2004 Elsevier Ltd. All rights reserved.|
|Source Title:||Applied Thermal Engineering|
|Appears in Collections:||Staff Publications|
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