Experimental Study of non-Newtonian Falling Film Dynamics on Inclined Plate
Publish place: 5th International Congress on Chemical Engineering
Publish Year: 1386
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICHEC05_399
تاریخ نمایه سازی: 7 بهمن 1386
Abstract:
In present work the dynamics of a falling film of CMC solution as a non-Newtonian fluid over an inclined surface has been studied experimentally. With rotational rheometer named POLYVISC Series L, the rheometry analysis of three different concentration of CMC solution (1.1, 1.5 and 2 weight percent) which is extensively utilized in industry have been reported. Fluid-air surface tension is also measured by the capillary method and dynamics of the falling film were studied with high speed imaging method. For different flow rate of fluid and different inclination angles of inclined plate α)2/0(πα<< time variation of falling film velocity have been recorded and an empirical correlation has been derived. The results show the effects of rheological properties, plate inclination and flow rate on dynamics of film flow of CMC solution.
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Authors
Haeri
Computational Fluid Dynamics Research Laboratory, Department of Chemical Engineering, Iran University of Science and Technology, Tehran, Iran
Hashemabadi
Computational Fluid Dynamics Research Laboratory, Department of Chemical Engineering, Iran University of Science and Technology, Tehran, Iran
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