A detailed analysis of experimental and numerical results for flow and heat transfer in similar offset strip-fin geometries is presented. Surface-average heat transfer and pressure drop, local Nusselt numbers and skin friction coefficients on the fin surface, instantaneous flow structures, and local time-averaged velocity profiles are contrasted for a range of Reynolds numbers using both prior and new experimental and numerical results. This contrast verifies that a two-dimensional unsteady numerical simulation captures the important features of the flow and heat transfer for a range of conditions. However, flow three-dimensionality appears to become important for Reynolds numbers greater than about 1300, and thermal boundary conditions are important for Reynolds numbers below 1000. The results indicate that boundary layer development, flow separation and reattachment, wake formation, and vortex shedding are all important in this complex geometry.
Skip Nav Destination
e-mail: n-dejon@uiuc.edu
Article navigation
Research Papers
A Complementary Experimental and Numerical Study of the Flow and Heat Transfer in Offset Strip-Fin Heat Exchangers
N. C. DeJong,
N. C. DeJong
Department of Mechanical and Industrial Engineering, University of Illinois, Urbana, IL 61801
e-mail: n-dejon@uiuc.edu
Search for other works by this author on:
L. W. Zhang,
L. W. Zhang
Department of Mechanical and Industrial Engineering, University of Illinois, Urbana, IL 61801
Search for other works by this author on:
A. M. Jacobi,
A. M. Jacobi
Department of Mechanical and Industrial Engineering, University of Illinois, Urbana, IL 61801
Search for other works by this author on:
S. Balachandar,
S. Balachandar
Department of Theoretical and Applied Mechanics, University of Illinois, Urbana, IL 61801
Search for other works by this author on:
D. K. Tafti
D. K. Tafti
National Center for Supercomputing Applications, University of Illinois, Urbana, IL 61801
Search for other works by this author on:
N. C. DeJong
Department of Mechanical and Industrial Engineering, University of Illinois, Urbana, IL 61801
e-mail: n-dejon@uiuc.edu
L. W. Zhang
Department of Mechanical and Industrial Engineering, University of Illinois, Urbana, IL 61801
A. M. Jacobi
Department of Mechanical and Industrial Engineering, University of Illinois, Urbana, IL 61801
S. Balachandar
Department of Theoretical and Applied Mechanics, University of Illinois, Urbana, IL 61801
D. K. Tafti
National Center for Supercomputing Applications, University of Illinois, Urbana, IL 61801
J. Heat Transfer. Aug 1998, 120(3): 690-698 (9 pages)
Published Online: August 1, 1998
Article history
Received:
August 1, 1997
Revised:
April 13, 1998
Online:
December 5, 2007
Citation
DeJong, N. C., Zhang, L. W., Jacobi, A. M., Balachandar, S., and Tafti, D. K. (August 1, 1998). "A Complementary Experimental and Numerical Study of the Flow and Heat Transfer in Offset Strip-Fin Heat Exchangers." ASME. J. Heat Transfer. August 1998; 120(3): 690–698. https://doi.org/10.1115/1.2824338
Download citation file:
Get Email Alerts
Cited By
Entropic Analysis of the Maximum Output Power of Thermoradiative Cells
J. Heat Mass Transfer
Molecular Dynamics Simulations in Nanoscale Heat Transfer: A Mini Review
J. Heat Mass Transfer
Related Articles
Numerical Investigation of Flow Field and Heat Transfer in Cross-Corrugated Ducts
J. Heat Transfer (May,1999)
Simultaneously Developing, Laminar Flow, Forced Convection in the Entrance Region of Parallel Plates
J. Heat Transfer (November,1991)
Three-Dimensional Laminar Heat Transfer and Fluid Flow Characteristics in the Entrance Region of a Rhombic Duct
J. Heat Transfer (November,1988)
A New Approach to Numerical Simulation of Small Sized Plate Heat Exchangers With Chevron Plates
J. Heat Transfer (March,2007)
Related Proceedings Papers
Related Chapters
Introduction
Introduction to Finite Element, Boundary Element, and Meshless Methods: With Applications to Heat Transfer and Fluid Flow
Numerical Analysis of a Latent Heat Storage Heat Exchanger Considering the Effect of Natural Convection
Inaugural US-EU-China Thermophysics Conference-Renewable Energy 2009 (UECTC 2009 Proceedings)
Hydraulic Resistance
Heat Transfer & Hydraulic Resistance at Supercritical Pressures in Power Engineering Applications