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TECHNICAL PAPERS: Forced Convection

Computations of Low Pressure Fluid Flow and Heat Transfer in Ducts Using the Direct Simulation Monte Carlo Method

[+] Author and Article Information
Fang Yan, Bakhtier Farouk

Department of Mechanical Engineering and Mechanics, Drexel University, Philadelphia, PA 19104

J. Heat Transfer 124(4), 609-616 (Jul 16, 2002) (8 pages) doi:10.1115/1.1458018 History: Received August 12, 1999; Revised April 25, 2001; Online July 16, 2002
Copyright © 2002 by ASME
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References

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Bird, G. A., 1994, Molecular Gas Dynamics and The Direct Simulation of Gas Flow, Oxford Engineering Science, Oxford University Press, New York, NY.
Beskok,  A., and Karniadakis,  G., 1994, “Simulation of Heat Momentum Transfer in Complex Microgeometries,” J. Thermophys. Heat Transfer, 8, No. 4, pp. 647–655.
Piekos,  E. S., and Breuer,  K. S., 1996, “Numerical Modeling of Micromechanical Devices Using the Direct Simulation Monte Carlo Method,” ASME J. Fluids Eng., 118, pp. 464–469.
Oran,  E. S., Oh,  C. K., and Cybyk,  B. Z., 1998, “Direct Simulation Monte Carlo: Recent Advances and Applications,” Annu. Rev. Fluid Mech., 30, pp. 403–442.
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Figures

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Schematic of the problem geometry
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Comparison of axial pressure distribution for channel flow (with slip-walls)
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(a) The effect of cell size on temperature profile at x=0 m (50 particles/cell); and (b) the effect of cell size on temperature profile at x=0.4 m (50 particles/cell)
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The effect of particle number on temperature profile at x=0 (350×80 cells)
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Temperature contour for the base case
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Velocity vectors for the base case
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Pressure distribution along centerline for the base case
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Heat flux along the plate for the base case
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Mean Nu as a function of position along the plate for the base case
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(a) Kn as the function of position along the plate for the base case; and (b) Re as the function of position along the plate for the base case
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Temperature contours for transition flow (case 8)
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Velocity vectors for transitional flow (case 8)
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Pressure distribution along the centerline for transitional flow (case 8)
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Heat flux along the plate for transition flow (case 8)
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Local Nu as a function of position along the plate for transitional flow (case 8)
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(a) Kn as the function of position along the axis for transitional flow (case 8); (b) Re as a function of position along the plate for transitional flow (case 8)
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Parity plot showing correlation of computed data

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