On methods to reduce spurious currents within VOF solver frameworks. Part 1: a review of the static bubble/droplet-Reference-Cited by-同舟云学术

On methods to reduce spurious currents within VOF solver frameworks. Part 1: a review of the static bubble/droplet

Published:2020-12-02 Issue:0 Volume:0 Page:
ISSN:1934-2659
Container-title:Chemical Product and Process Modeling
language:en
Short-container-title:

Author:

Inguva Venkatesh¹,Schulz Andreas¹,Kenig Eugeny Y.¹²

Affiliation:

1. Faculty of Mechanical Engineering , Chair of Fluid Process Engineering, Paderborn University , 33098 Paderborn , Germany

2. Gubkin Russian State University of Oil and Gas , Moscow , Russian Federation

Abstract

Abstract In two-phase flows in which the Capillary number is low, errors in the computation of the surface tension force at the interface cause Front-Capturing methods such as Volume of Fluid (VOF) and Level-Set (LS) to develop interfacial spurious currents. To better solve low Capillary number flows, special treatment is required to reduce such spurious currents. Smoothing the phase indicator field to more accurately compute the curvature or adding interfacial artificial viscosity are techniques that can treat this problem. This study explores OpenFOAM, Fluent and StarCCM+ VOF solvers for the classical case of a static bubble/droplet immersed in a continuous aqueous phase, with the focus on the ability of these solvers to adequately reduce spurious currents. The results are expected to be helpful for practicing chemical engineers who use multiphase CFD solvers in their work.

Funder

Universität Paderborn

Publisher

Walter de Gruyter GmbH

Subject

Modeling and Simulation,General Chemical Engineering

Link

https://www.degruyter.com/document/doi/10.1515/cppm-2020-0052/pdf

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