NDLI: Numerical Investigation of a Stratified Turbulent Two-Phase Flow in a Horizontal Pipe in Conjunction with the Generalized Richardson Extrapolation

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Numerical Investigation of a Stratified Turbulent Two-Phase Flow in a Horizontal Pipe in Conjunction with the Generalized Richardson Extrapolation

Content Provider	Semantic Scholar
Author	Townsend, Jamie F. Könözsy, László Jenkins, Karl W.
Copyright Year	2017
Abstract	This numerical study focuses on verification and validation of turbulent multiphase flow simulations, particularly flows within the gas/liquid stratified flow regime. It has been identified that computational fluid dynamics (CFD) simulations of such flows available in the literature do not demonstrate sufficient criteria and techniques for examining grid convergence, nor do they offer a sufficient comparative study amongst existing Reynolds-Averaged Navier-Stokes (RANS) turbulence modelling approaches. The present numerical investigation demonstrates the possibility of utilizing the Richardson extrapolation and the calculation of the Grid Convergence Index (GCI) to confidently select an appropriate grid size. The method of selecting an appropriate computational mesh is feasible, and the motivation for conducting such research is necessary before performing simulations for turbulent multiphase flows. Additionally, the different capabilities and limitations of RANS turbulence models available for multiphase flows have been assessed in the present study.
File Format	PDF HTM / HTML
DOI	10.26649/musci.2017.064
Alternate Webpage(s)	http://www.uni-miskolc.hu/~microcad/publikaciok/2017/d1/D1_4_Jamie_F_Townsend.pdf
Alternate Webpage(s)	https://doi.org/10.26649/musci.2017.064
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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