A computer model of the two-roll mill for generalised Newtonian flow |
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Authors: | T S Obaid P Townsend |
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Institution: | (1) Department of Computer Science, University College of Wales, SA2 8PP Swansea, U.K. |
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Abstract: | We investigate the flow of a generalised Newtonian liquid between two contra-rotating cylinders of equal size — the so called two-roll mill problem. A finite element method is used to obtain solutions for the case of a Carreau model and for a power law model. Consideration is given to the influence of shearthinning on the flow pattern around the cylinders. Results are presented for different speeds of rotation of the cylinders and for various values of fluid parameters. A comparison is made with the analytical solution of Jeffrey. |
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Keywords: | Generalised Newtonian flow two-roll mill numerical methods |
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