COMPARE OF PARASITE CURRENT REDUCTION METHODS IN SIMULATION OF TWO-PHASE FLOW WITH VOF

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SAMKHANIANI NIMA; ANSARI MOHAMAD REZA

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Journal: Modares Mechanical Engineering Year:2015 | Volume:15 | Issue:2 Page(s): 243-252

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Title

COMPARE OF PARASITE CURRENT REDUCTION METHODS IN SIMULATION OF TWO-PHASE FLOW WITH VOF

Author(s)

SAMKHANIANI NIMA | ANSARI MOHAMAD REZA | Issue Writer Certificate

Keywords

VOF METHODQ2

LEVEL SET METHODQ2

PARASITE CURRENTQ2

INTER FOAMQ2

FILTERQ3

Abstract

One of obstacles in simulation of two phase flow is PARASITE CURRENTs. These currents cause unphysical distortion at interface which impairs interface capturing and numerical results. In present study, two methods (using FILTER and s-CLSVOF) are implemented in Open FOAM two phase flow solver called INTER FOAM to reduce PARASITE CURRENT. 3 FILTERs are added to color function volume of fluid (CF-VOF) method. These FILTERs reduce PARASITE CURRENT in different ways, one smoothes color function, one smoothes curvature and the other one compresses the interface. The original and the modified solvers are tested with a quiescent bubble bench mark to investigate the effect of each FILTER on PARASITE CURRENTs. Then optimum arrangement of FILTERs is compared with s-CLSVOF METHOD and INTER FOAM. Present study shows PARASITE CURRENT magnitude can be reduced at least up to 50% in the modified solvers. Also, the comparison of pressure jump from numerical results and analytical result with Young-Laplace equation shows modified solvers can predict pressure jump better than original solver. The pressure jump error is reduced up to 400% in the modified solvers. Also present study shows FILTERs have better performance than s-CLVOF METHOD and it can be considered as a suitable substitution of coupled methods.

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APA: Copy

SAMKHANIANI, NIMA, & ANSARI, MOHAMAD REZA. (2015). COMPARE OF PARASITE CURRENT REDUCTION METHODS IN SIMULATION OF TWO-PHASE FLOW WITH VOF. MODARES MECHANICAL ENGINEERING, 15(2), 243-252. SID. https://sid.ir/paper/179731/en

Vancouver: Copy

SAMKHANIANI NIMA, ANSARI MOHAMAD REZA. COMPARE OF PARASITE CURRENT REDUCTION METHODS IN SIMULATION OF TWO-PHASE FLOW WITH VOF. MODARES MECHANICAL ENGINEERING[Internet]. 2015;15(2):243-252. Available from: https://sid.ir/paper/179731/en

IEEE: Copy

NIMA SAMKHANIANI, and MOHAMAD REZA ANSARI, “COMPARE OF PARASITE CURRENT REDUCTION METHODS IN SIMULATION OF TWO-PHASE FLOW WITH VOF,” MODARES MECHANICAL ENGINEERING, vol. 15, no. 2, pp. 243–252, 2015, [Online]. Available: https://sid.ir/paper/179731/en

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