Abstract
The objective of this study is to find out an appropriate numerical model that would be computationally less expensive and capable of producing a result with the least deviation from the experimental investigation. To verify the prime objective of this paper, a comparison study is performed between the most commonly used turbulence models such as RNG k−ε model and standard k−ε. In standard k−ε turbulence model, all the calculations of turbulent diffusion are performed on the same scale. Thus, a single turbulence length scale is responsible for the production of eddy viscosity. Whereas in RNG k−ε turbulence models, the turbulent diffusion is calculated for a large span of the scale of motion. Performance study of both the models has been carried out using software tool ANSYS FLUENT™ 15.0. It is found that the results obtained due to standard k−ε method depict closer agreement towards experimental study.
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Singh, S., Sinhamahapatra, K.P., Bej, N. (2021). Investigation on Ranque–Hilsch Vortex Tube Using Different Turbulence Models. In: Pant, P., Mishra, S.K., Mishra, P.C. (eds) Advances in Mechanical Processing and Design. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-15-7779-6_21
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DOI: https://doi.org/10.1007/978-981-15-7779-6_21
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