Study of the Fluid Flow in the Elliptical Duct by the Method of Characteristics

[+] Author and Article Information
Yuan Mao Huang, C. H. Ho

Mechanical Engineering Department, National Taiwan University, Taiwan

J. Pressure Vessel Technol 115(1), 80-84 (Feb 01, 1993) (5 pages) doi:10.1115/1.2929499 History: Received July 31, 1990; Revised September 04, 1992; Online June 17, 2008


This study develops a mathematical model to determine the properties of laminar flow in the elliptical duct. With some assumptions, the nonlinear governing equations of the air in the elliptical duct are transformed into the hyperbolic type. The method of characteristics is then applied. Numerical results are obtained by using the finite difference method and the uniform interval scheme. The air properties in the elliptical duct are analyzed. The local Nusselt number and the heat transfer coefficient along the duct are studied. The numerical results are compared and show good agreement with the available data.

Copyright © 1993 by The American Society of Mechanical Engineers
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