Numerical and Experimental Analysis of non-Newtonian Falling Film Shape on Inclined Plates
Publish place: 11th Conference of Fluid Dynamics
Publish Year: 1387
Type: Conference paper
Language: English
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Document National Code:
CFD11_038
Index date: 2 August 2008
Numerical and Experimental Analysis of non-Newtonian Falling Film Shape on Inclined Plates abstract
In this research CMC (Carboxy Methyl Cellulose) solution as a non-Newtonian fluid is utilized to study the gravity driven falling film shape on an inclined plate experimentally and numerically. Different solutions (1.1%, 1.5% and 2%) are prepared and their rheology is studied by PolyVisc Visco Star Series L rotational viscometer. Surface tension and contact angle is also measured by goniometry method. Utilizing image acquisition and image processing techniques, influence of flow rate, inclination angle and plate material (Ceramics, Glass and Aluminum) on film shape is studied. Simulation of this problem is also preformed by CFD techniques and Volume Of Fluid (VOF) algorithm. CICSAM (Compressive Interface Capturing Scheme for Arbitrary Meshes) differencing scheme is used for capturing sharp fluid-fluid interface. Plate material is taken into account by introduction of contact angle in the calculations and surface tension is added as a body force to Navier-Stokes equation. The experimental results show good agreement with CFD simulation.
Numerical and Experimental Analysis of non-Newtonian Falling Film Shape on Inclined Plates Keywords:
Numerical and Experimental Analysis of non-Newtonian Falling Film Shape on Inclined Plates authors
Seyed Hassan Hashemabadi
Assistant Professor Computational Fluid Dynamics Research Laboratory, Department of Chemical Engineering Iran University of Science and Technology
Sina Haeri
Graduate Student Computational Fluid Dynamics Research Laborat ory, Department of Chemical Engineering Iran University of Science and Technology
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