AN LDA STUDY OF SHEAR RATE PROFILES OF RUSHTON TURBINE IN MIXING TANKS

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JAHANGIRI MANSOUR

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Seminar Paper

Paper Information

Seminar: CHEMICAL ENGINEERING CONGRESS AND EXHIBITION
Year:2008 | Issue:5

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Title

AN LDA STUDY OF SHEAR RATE PROFILES OF RUSHTON TURBINE IN MIXING TANKS

Author(s)

JAHANGIRI MANSOUR

Keywords

ANEMOMETRY (LDA)

LOCAL SHEAR RATE

VISCOELASTIC LIQUIDS

MIXING

RUSHTON TURBINE IMPELLER

Abstract

IN THIS ARTICLE, DISTRIBUTIONS OF LOCAL SHEAR RATES FOR RUSHTON TURBINE IMPELLER HAVE BEEN STUDIED USING LASER DOPPLER ANEMOMETRY (LDA) FOR VISCOELASTIC LIQUIDS. THE NORMALIZED LOCAL TANGENTIAL VELOCITY AND LOCAL SHEAR RATE PROFILES ARE INDEPENDENT OF RUSHTON TURBINE IMPELLER SPEEDS AND MAIN VARIATIONS OF SHEAR RATE OCCUR IN THE VICINITY OF IMPELLER. THIS IS DUE TO THE LARGE VARIATIONS IN TANGENTIAL VELOCITY IN THIS REGION. IN THE TRANSITION REGION, I. E. ~30 < RE < ~2000, TANGENTIAL VELOCITY COMPONENT AND LOCAL SHEAR RATE, ARE SHOWN TO BE NEGLIGIBLE AT AXIAL COORDINATE OF Z = 0.0315 M ABOVE IMPELLER TIP PLANE, I. E. Z =0.

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APA: Copy

JAHANGIRI, MANSOUR. (2008). AN LDA STUDY OF SHEAR RATE PROFILES OF RUSHTON TURBINE IN MIXING TANKS. INTERNATIONAL CHEMICAL ENGINEERING CONGRESS AND EXHIBITION. SID. https://sid.ir/paper/908625/en

Vancouver: Copy

JAHANGIRI MANSOUR. AN LDA STUDY OF SHEAR RATE PROFILES OF RUSHTON TURBINE IN MIXING TANKS. 2008. Available from: https://sid.ir/paper/908625/en

IEEE: Copy

MANSOUR JAHANGIRI, “AN LDA STUDY OF SHEAR RATE PROFILES OF RUSHTON TURBINE IN MIXING TANKS,” presented at the INTERNATIONAL CHEMICAL ENGINEERING CONGRESS AND EXHIBITION. 2008, [Online]. Available: https://sid.ir/paper/908625/en

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