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- W3180958327 abstract "• A new sectrozied disk-shaped baffle was presented. • Baffle parameters were optimized using a multi objective optimization scheme. • The optimum baffle parameters were determined to minimize the pressure drop and maximize the average wall shear stress. • The relationships between the pressure drop and average wall shear stress with baffle parameters were determined through response surfaces. • The baffle parameters had great impacts on the permeate flux. Membrane separation plays an important role in separation processes. In this study, the performance of a tubular membrane filled with sectrozied disk-shaped baffles was studied using three-dimensional computational fluid dynamics (CFD) simulations. Four baffle parameters including the number of sectors in each baffle ( N ), the angle of each sector ( θ ), the baffle diameter ( D b ), and the baffle spacing ( L b ) were optimized to simultaneously minimize the pressure drop ( Δ P ) and maximize the average wall shear stress ( τ ). The central composite design (CCD) of experiment method was used to investigate the effect of the baffle parameters on the pressure drop and average wall shear stress with the minimum number of numerical experiments. Once the designed numerical experiments were performed, the Kriging response surface method was applied to determine the relationships between the pressure drop and the average wall shear stress with the baffle parameters. Finally, the non-dominated sorting genetic algorithm II (NSGA II) was employed to fined the optimum values of the baffle parameters. The baffle diameter had the greatest impact on the pressure drop and average wall shear stress. The optimum baffle parameters were found to be N = 6, θ = 50°, D b = 12 mm, and L b = 10 mm." @default.
- W3180958327 created "2021-07-19" @default.
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- W3180958327 date "2021-09-01" @default.
- W3180958327 modified "2023-09-24" @default.
- W3180958327 title "Multi objective optimization of the baffle parameters for a tubular membrane" @default.
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- W3180958327 doi "https://doi.org/10.1016/j.jtice.2021.06.043" @default.
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