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Paper convr-2013-64:
Numerical simulation and visualization of air flow in ranque-hilsch vortex tube

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Khait A,Noskov A,Alekhin V,Antipin A

Numerical simulation and visualization of air flow in ranque-hilsch vortex tube

Abstract:Visualization of air flow which appears in Ranque-Hilsch vortex tube is performed by numerical simulations using different turbulence models. The following turbulence models have been used during computations: k-?, k-? Realizable, k-? RNG, SST and SAS-SST. It was found out that only SAS-SST turbulence model can predict the existence of large-scale secondary vortex structures within the computational domain. The existence of large-scale secondary vortex structures is confirmed by different experimental studies.

Keywords:Ranque-Hilsch effect,vortex tube,computational fluid dynamics,CFD,flow visualization

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