| In this dissertation , water film flowing on walls of corrugated-plate moisture separator is studied . From the basic law of fluid mechanics , by reasonable simplifying and hypothesis , complicated moisture separating process is simplified as ideal process . Infinitesimal body of wall's water film is analyzed , no wave water film flowing continuity equation and momentum equation are received , inlet ,outlet and wall condition are added as boundary condition . Equations are differenced by control volume algorithm , convection term is differenced by up wind difference algorithm , diffusion term and continuity equation are differenced by central difference algorithm . Differenced equations are solve by gauss-seidel and SUR method , profiles of water film thickness and velocity are gotten . The results shows that the film mainly flow down .Water film wave model is made on basis of N-S equation . Arbitrary point of water surface is analyzed , dynamics condition and kinemics condition are added as boundary condition . The ratio of water film average thickness and velocity is taken as characteristic quantity to simplify equations and boundary condition . A turbulence fountain is give as inlet. VOF method is used to track simulating water surface . Simulation results shows that water film fluctuate and wave deformation acutenes . Turbulence frequency has significant effect to water film wave . When frequency is low , wave crest is higher , on the contrast ,wave crest is low . To some extent , the way in this dissertation will be useful to study separator's secondary droplets and critical velocity of corrugated-plate moisture separator .
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