The numerical prediction of transitional characteristics of fluid flow and heat transfer in periodic fully developed corrugated duct is carried out by using a Lam-Bremhorst low Reynolds number turbulence model. Computations were performed for Prandtl number of 0.7, in the Reynolds number range of 100 to 2500, for corrugation angles of θ = 15 and 30 deg, and for three interwall spacings. The predicted transitional Reynolds number is lower than the value for the parallel plate duct and it decreases with increasing corrugation angle. Experiments were also performed for pressure drop measurements and for flow visualization and the results were compared with the numerical predictions.
Issue Section:
Forced Convection
1.
Amano
R. S.
1984
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,” ASME JOURNAL OF HEAT TRANSFER
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Asako
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Faghri
M.
1987
, “Finite-Volume Solutions for Laminar Flow and Heat Transfer in a Corrugated Duct
,” ASME JOURNAL OF HEAT TRANSFER
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Oyakawa
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1983
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Lam
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Bremhorst
K.
1981
, “A Modified Form of the k-ε Model for Predicting Wall Turbulence
,” Journal of Fluid Engineering
, Vol. 113
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T.
Kajimoto
Y.
Kawamura
Y.
1986
, “Mass Transfer Enhancement in Channels with a Wavy Wall
,” Journal of Chemical Engineering of Japan
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S. A.
Kells
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1980
, “Transition to Turbulence in Plane Poiseuille and Plane Couette Flow
,” Journal of Fluid Mechanics
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.9.
O’Brien
J. E.
Sparrow
E. M.
1982
, “Corrugated Duct Heat Transfer, Pressure Drop and Flow Visualization
,” ASME JOURNAL OF HEAT TRANSFER
, Vol. 104
, pp. 410
–416
.10.
Patankar, S. V., 1980, “Numerical Heat Transfer and Fluid Flow,” MacGraw-Hill, New York.
11.
Patankar
S. V.
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, “A Calculation Procedure for Two-Dimensional Elliptic Situations
,” Numerical Heat Transfer
, Vol. 4
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13.
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Head
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, “Some Observations on Skin Friction and Velocity Profiles in Fully Developed Pipe and Channel Flows
,” Journal of Fluid Mechanics
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.14.
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15.
Sparrow
E. M.
Comb
J. W.
1983
, “Effect of Interwall Spacing and Fluid Flow Inlet Conditions on Corrugated-Wall Heat Exchanger
,” International Journal of Heat and Mass Transfer
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, No. 7
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.16.
Sparrow
E. M.
Hossfeld
L. M.
1984
, “Effect of Rounding of Protruding Edges on Heat Transfer in a Corrugated Duct
,” ASME JOURNAL OF HEAT TRANSFER
, Vol. 27
, pp. 1715
–1723
.
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