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RESEARCH PAPERS

Numerical Simulation of Turbulent Shear Flow in an Isothermal Heat Exchanger Model

[+] Author and Article Information
C. Zhang, A. C. M. Sousa

Department of Mechanical Engineering, University of New Brunswick, Fredericton, N. B., Canada E3B 5A3

J. Fluids Eng 112(1), 48-55 (Mar 01, 1990) (8 pages) doi:10.1115/1.2909367 History: Received August 22, 1988; Online May 23, 2008

Abstract

Numerical predictions of fluid flow are reported for the isothermal, two-dimensional, axisymmetric flow in a disk-doughnut heat exchanger. The system consists of alternating and equi-spaced doughnut and disk baffles located in a pipe with water flowing in a turbulent regime. The two-equation (k–ε) turbulence model as proposed by Nagano and Hishida is modified to accommodate disc and doughnut baffles. The governing equations for steady-state flow are solved in primitive variable form using segregated pressure correction linked algorithm. Predictions are critically evaluated against available data for mean quantities.

Copyright © 1990 by The American Society of Mechanical Engineers
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