THERMALLY DEVELOPING POISEUILLE FLOW AFFECTED BY RADIATION

A combined convective and radiative heat transfer problem in thermally developing Poiseuille flow in a cylindrical tube is analyzed. A complex form of the nonlinear integrodifferential radiative transfer equation is solved by the discrete ordinates method in an axisymmetric geometry. To check its ac...

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Bibliographic Details
Published in:Numerical heat transfer. Part A, Applications Applications, 1999-05, Vol.35 (6), p.681-694
Main Author: Seung Wook Baek, Myoung Jong Yu, Taik Young Kim
Format: Article
Language:English
Subjects:
Convection and heat transfer
Exact sciences and technology
Flows in ducts, channels, nozzles, and conduits
Fluid dynamics
Fundamental areas of phenomenology (including applications)
Heat convection
Heat radiation
Heat transfer
Integrodifferential equations
Nonlinear equations
Physics
Thermal radiation
Thermodynamic properties
Turbulent flows, convection, and heat transfer
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Summary:A combined convective and radiative heat transfer problem in thermally developing Poiseuille flow in a cylindrical tube is analyzed. A complex form of the nonlinear integrodifferential radiative transfer equation is solved by the discrete ordinates method in an axisymmetric geometry. To check its accuracy, the solution obtained by the discrete ordinates method is compared with that solved by the integral method. A parametric study is also performed for the conduction-to-radiation parameter, optical thickness, wall emissivity, scattering albedo, and linear anisotropic scattering coefficient. The results show a significant effect of the radiation on the thermal characteristics.
ISSN:1040-7782
1521-0634
DOI:10.1080/104077899275092