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Experimental and Theoretical Consideration for Flow Rate, Pressure Drop, and Permeate Flow in a Hollow Fiber Membrane  

Lee, Jung-Muk (Department of Chemical Engineering, College of Engineering, Kyung Hee University)
Lee, Bomsock (Department of Chemical Engineering, College of Engineering, Kyung Hee University)
Publication Information
Membrane Journal / v.22, no.6, 2012 , pp. 470-480 More about this Journal
Abstract
In this study, for a linear tubular membrane with constant diameter the mass balance considering permeate velocity of the each unit length was established. On this basis, mathematical modelling of flows in a pipe was solved using nonlinear second order differential equations as well as steady-state equation. Since this equation is nonlinear, Gauss-Seidel method or another iteration method were used to solve the differential equations. Simulation algorithm for numerical solutions was presented. Also since the permeate flow is varied as operating condition, the solution of equations at each conditions using numerical integrations such as Simpson's rules was used. In order to analyze and compare simulation results, we have performed experiments using a hollow fiber membrane with almost identical tubular membrane. Comparison of theoretical and experimental results, pressure drop, flow rate, and permeate flow in a hollow fiber membrane, were illustrated.
Keywords
hollow fiber membrane; permeate flows; simulation;
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