FLUCTUATION VELOCITY FOR NON-NEWTONIAN LIQUIDS IN MIXING TANK BY RUSHTON TURBINE IN THE TRANSITION REGION

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JAHANGIRI M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: Iranian Polymer Journal Year:2006 | Volume:15 | Issue:4 (70) Page(s): 285-290

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Title

FLUCTUATION VELOCITY FOR NON-NEWTONIAN LIQUIDS IN MIXING TANK BY RUSHTON TURBINE IN THE TRANSITION REGION

Author(s)

JAHANGIRI M. | Issue Writer Certificate

Keywords

FLUCTUATION VELOCITY. LDA. RUSHTON TURBINE. VISCOELASTIC. MIXING

Abstract

The hydrodynamics of the flow in stirred-tank reactors, i.e., velocity profiles, stress fields, turbulence characteristics and etc., are essential for the confident design of mixing tanks. fluctuation tangential and radial velocities were measured using a two-component laser doppler anemometry (LDA) system for a typical Rushton turbine impeller. The working fluids had different concentrations of polyacrylamide (PAA) with rheological properties typical of those found in polymer processes. It is shown that the correlations for fluctuating velocities in Newtonian fluids do not apply to the case of viscoelastic liquids. New correlations are given in the lower part of the transition region, i.e., 30 < Re < 2000, for fluctuating tangential and radial velocity components values along the centre line of the impeller tip.

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APA: Copy

JAHANGIRI, M.. (2006). FLUCTUATION VELOCITY FOR NON-NEWTONIAN LIQUIDS IN MIXING TANK BY RUSHTON TURBINE IN THE TRANSITION REGION. IRANIAN POLYMER JOURNAL (ENGLISH), 15(4 (70)), 285-290. SID. https://sid.ir/paper/544152/en

Vancouver: Copy

JAHANGIRI M.. FLUCTUATION VELOCITY FOR NON-NEWTONIAN LIQUIDS IN MIXING TANK BY RUSHTON TURBINE IN THE TRANSITION REGION. IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2006;15(4 (70)):285-290. Available from: https://sid.ir/paper/544152/en

IEEE: Copy

M. JAHANGIRI, “FLUCTUATION VELOCITY FOR NON-NEWTONIAN LIQUIDS IN MIXING TANK BY RUSHTON TURBINE IN THE TRANSITION REGION,” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 15, no. 4 (70), pp. 285–290, 2006, [Online]. Available: https://sid.ir/paper/544152/en

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