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lower pressure drop compared to experimental value in Two phase flow calculations. |
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May 16, 2017, 16:29
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lower pressure drop compared to experimental value in Two phase flow calculations.
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Hello Everyone,
Objective: To simulate Gas-liquid 2 Phase flow in FLUENT based on experimental data, and compare with respect to experimental data for a channel with a sudden area of expansion. I'm running the FLUENT 2 Phase flow (gas(Nitrogen)-liquid(Water)) Eulerian-Eulerian multiphase model, RSM (Reynold's Stresses 5 equation model) model for turbulence calculations. it's 2D steady-state analysis. Boundary Conditions: inlet: pressure Inlet, Outlet: pressure Outlet, Volume fraction is used for consideration between phases. (Values for boundary conditions are taken from Experimental calculations) Outcome: Computed Pressure Drop is lower than the experimental pressure drop across sudden expansion. Why is it showing lower pressure drop compared to experimental value? How can I get exact pressure drop value for expansion channel? |
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| Tags |
| 2-phase flow, eulerian eulerian, fluent, multi phase flow, reynolds stress model |
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