Fully developed periodic boundary conditions have frequently been employed to effect performance calculations for heat and mass exchange devices. In this paper a method is proposed, which is based on the use of primitive variables combined with the prescription of slip values. Either pressure difference or mass flow rate may be equivalently prescribed. Both constant wall temperature (Dirichlet) and constant heat flux (Neumann) conditions may be considered, as well as the intermediate linear (Robin) boundary condition. The example of an offset-fin plate-fin heat exchanger is used to illustrate the application of the procedure. The mathematical basis by which the method may be extended to the consideration of mass transfer problems with arbitrary boundary conditions, and associated continuity, momentum, and species sources and sinks is discussed.
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Use of Streamwise Periodic Boundary Conditions for Problems in Heat and Mass Transfer
Steven B. Beale
e-mail: steven.beale@nrc-cnrc.gc.ca
Steven B. Beale
Mem. ASME
National Research Council
, Montreal Road, Ottawa, K1A 0R6, Canada
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Steven B. Beale
Mem. ASME
National Research Council
, Montreal Road, Ottawa, K1A 0R6, Canadae-mail: steven.beale@nrc-cnrc.gc.ca
J. Heat Transfer. Apr 2007, 129(4): 601-605 (5 pages)
Published Online: December 18, 2006
Article history
Received:
March 28, 2006
Revised:
December 18, 2006
Citation
Beale, S. B. (December 18, 2006). "Use of Streamwise Periodic Boundary Conditions for Problems in Heat and Mass Transfer." ASME. J. Heat Transfer. April 2007; 129(4): 601–605. https://doi.org/10.1115/1.2709976
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