Numerical Modeling of Flow in a Vertical Cooling Crystallizer

[+] Author and Article Information
M. A. Sima

Department of Mechanics, Royal Institute of Technology (KTH), S-100 44 Stockholm, Sweden

J. A. Harris

School of Engineering, James Cook University, Townsville Q 4811, Australia

J. Fluids Eng 121(1), 148-154 (Mar 01, 1999) (7 pages) doi:10.1115/1.2821995 History: Received March 11, 1998; Revised October 05, 1998; Online December 04, 2007


Simulations of the flow field and temperature distribution in a low grade vertical continuous cooling sugar crystallizer were carried out by numerically solving the Navier-Stokes equations in a cylindrical coordinate system. The model results indicate highly nonuniform massecuite cooling, primarily due to the massecuite’s large Prandtl number, and significant short-circuiting of flow between inlet and outlet. Modifications to the crystallizer design are proposed and demonstrated to be successful in improving the performance of the vessel.

Copyright © 1999 by The American Society of Mechanical Engineers
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