LES of droplet-laden non-isothermal channel flow


Michalek, W.R. and Liew, R. and Kuerten, J.G.M. and Zeegers, J.C.H. (2011) LES of droplet-laden non-isothermal channel flow. Journal of Physics: Conference Series, 318 (4). 042056. ISSN 1742-6588

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Abstract:In this paper subgrid models for LES of droplet-laden non-isothermal channel flow are tested and improved for three Reynolds numbers based on friction velocity, Reτ of 150, 395, and 950 with the aim to develop a simulation method for LES of a droplet-laden Ranque-Hilsch vortex tube. A new subgrid model combining the beneficial properties of the dynamic eddy-viscosity model and the approximate deconvolution model is proposed. Furthermore, the subgrid model in the droplet equations based on approximate deconvolution is found to perform well also in non-isothermal channel flow. At the highest Reynolds number in the test the dynamic model yields results with a similar accuracy as the approximate deconvolution model.
Item Type:Article
Copyright:© 2011 IOP Publishing
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/79205
Official URL:https://doi.org/10.1088/1742-6596/318/4/042056
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