THERMAL SCIENCE

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Oguz Turgut

,

Kamil Arslan

PERIODICALLY FULLY DEVELOPED LAMINAR FLOW AND HEAT TRANSFER IN A TWO-DIMENSIONAL HORIZONTAL CHANNEL WITH STAGGERED FINS

ABSTRACT
The 2-D periodically fully developed laminar forced convection fluid flow and heat transfer characteristics in a horizontal channel with staggered fins are investigated numerically under constant wall heat flux boundary condition. Study is performed using ANSYS Fluent 6.3.26 which uses finite volume method. Air (Pr @ 0.7) and Freon-12 (Pr @ 3.5) are used as working fluids. Effects of Reynolds number, Prandtl number, fin height, and distances between two fins on heat transfer and friction factor are examined. Results are given in the form of non-dimensional average Nusselt number and average Darcy friction factor as a function of Reynolds number for different fin distances and Prandtl numbers. The velocity and temperature profiles are also obtained. It is seen that as the fin distance increases, behavior approaches the finless channel, as expected. Also, thermal enhancement factors are given graphically for working fluids. It is seen that heat transfer dominates the friction as both the distance between two fins and Prandtl number increase. It is also seen that fins having blockage ratio of 0.10 in 2-D periodically fully developed laminar flow is not advantageous in comparison to smooth channel without fins.
KEYWORDS
laminar flow, heat transfer, parallel plate channel, fin, periodic flow, Ansys Fluent
PAPER SUBMITTED: 2015-03-15
PAPER REVISED: 2015-09-10
PAPER ACCEPTED: 2015-10-13
PUBLISHED ONLINE: 2015-11-15
DOI REFERENCE: https://doi.org/10.2298/TSCI150315160T
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2017, VOLUME 21, ISSUE Issue 6, PAGES [2443 - 2455]
REFERENCES
  1. Patankar, S. V., Liu, C. H., Sparrow, E. M., Fully Developed Flow and Heat Transfer in Ducts Having Streamwise Periodic Variation of Cross-Sectional Area, Journal of Heat Transfer, 99 (1977), pp. 180-186
  2. Berner, C., et al., Flow Around Baffles, Journal of Heat Transfer, 106 (1984), pp. 743-749
  3. Shah, R. K., London, A. L., Laminar Flow Forced Convection in Ducts, in: Advances in Heat Transfer (Eds. T. F. Irvine, J. P. Hartnett), Academic Press, New York, USA, 1978
  4. Webb, B. W., Ramadhyani, S., Conjugate Heat Transfer in a Channel with Staggered Ribs, International Journal of Heat and Mass Transfer, 28 (1985), pp. 1679-1687
  5. Kelkar, K. M., Patankar, S. V., Numerical Prediction of Flow and Heat Transfer in a Parallel Plate Channel with Staggered Fins, Journal of Heat Transfer, 109 (1987), pp. 25-30
  6. Lazaridis, A., Heat Transfer Correlation for Flow in a Parallel Plate Channel with Staggered Fins, Journal of Heat Transfer, 110 (1988), pp. 801-802
  7. Cheng, C. H., Huang, W. H., Numerical Prediction for Laminar Forced Convection in Parallel-Plate Channels with Transverse Fin Array, International Journal of Heat and Mass Transfer, 34 (1991), 11, pp. 2739-2749
  8. Luy, C. D., et al., Forced Convection in Parallel-Plate Channels with a Series of Fins Mounted on the Wall, Applied Energy, 39 (1991), pp. 127-144
  9. Kim, S. H., Anand, N. K., Laminar Developing Flow and Heat Transfer between Series of Parallel Plates with Surface-Mounted Discrete Heat Sources. International Journal of Heat and Mass Transfer, 37 (1994), 15, pp. 2231-2244
  10. Wang, G., et al., Unsteady Heat Transfer in Baffled Channels, Journal of Heat Transfer, 118 (1996), pp. 585-591
  11. Yuan, Z. X., et al., Numerical Prediction for Laminar Forced Convection Heat Transfer in Parallel-Plate Channels with Streamwise-Periodic Rod Disturbances, International Journal of Numerical Methods of Fluids, 28 (1998), pp. 1371-1387
  12. Tehrani, F. B., Abadi, M. N., Numerical Analysis of Laminar Heat Transfer in Entrance Region of a Horizontal Channel with Transverse Fins, International Communication of Heat and Mass Transfer, 31 (2004), 2, pp. 211-220
  13. Mousavi, S. S., Hooman, K., Heat and Fluid Flow in Entrance Region of a Channel with Staggered Baffles, Energy Conversion and Management, 47 (2006), pp. 2011-2019
  14. Onur, N., et al., Numerical Investigation of the Effect of Baffles, Placed Between Two Parallel Plates on Flow and Heat Transfer Under Condition of Laminar Forced Convection, Journal of Thermal of Science and Technology, 27 (2007), 2, pp. 7-13
  15. Sripattanapipat, P., Promvonge, P., Numerical Analysis of Laminar Heat Transfer in a Channel with Diamond-Shaped Baffles, International Communication of Heat and Mass Transfer, 36 (2009), 1, pp. 32-38
  16. Turan, B., Oztop, H. F., Analysis of Heat Transfer in a Heated Tube with a Different Typed Disc Insertion, Thermal Science, 16 (2012), 1, pp. 139-149
  17. Xia, H. H., et al., Simulation of Heat Transfer Enhancement by Longitudinal Vortex Generators in Dimple Heat Exchangers, Energy, 74 (2014), pp. 27-36
  18. Garg A., et al., CFD Analysis of Laminar Heat Transfer in a Channel Provided with Baffles: Comparative Study between Two Models of Baffles: Diamond-Shaped Baffles of Different Angle and Rectangle, International Journal of Enhanced Research in Science Technology & Engineering, 3 (2014), 7, pp. 267-276
  19. Turgut, O., Kizilirmak, E., Effects of Reynolds Number, Baffle Angle, and Baffle Distance on Three-Dimensional Turbulent Flow and Heat Transfer in a Circular Pipe, Thermal Science, DOI. 10.2298/TSCI121011045T
  20. Valencia, A., et al., Numerical Study of the Unsteady Flow and Heat Transfer in Channels with Periodically Mounted Square Bars, Heat and Mass Transfer, 37 (2001), 2-3, pp. 265-270
  21. Kore, S. S., et al., Experimental Investigations of Heat Transfer Enhancement from Dimpled Surface in a Channel, International Journal of Engineering Science and Technology, 3 (2011). 8, pp. 6227-6234
  22. Promvonge, P., et al., Numerical Heat Transfer Study of Turbulent Square-Duct Flow Through Inline V-Shaped Discrete Ribs, International Communications in Heat and Mass Transfer, 38 (2011), 10, pp. 1392-1399
  23. Potdar, U., et al., Study of Heat Transfer Coefficient & Friction Factor of Stationary Square Channel with V Shaped 45o Angled Arc of Circle Ribs with Different Blokage Ratio, International Journal of Applied Sciences and Engineering Research, 1 (2012), 2, pp. 47-56
  24. Bergman, T. L., et al., Fundamentals of Heat and Mass Transfer, 7th Ed., John Wiley & Sons Inc., New York, USA, 2011
  25. Promvonge, P., et al., Numerical Investigation of Laminar Heat Transfer in a Square Channel with 45o Inclined Baffles, International Communications in Heat and Mass Transfer, 37 (2010), pp. 170-177
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Periodically fully developed laminar flow and heat transfer in a two-dimensional horizontal channel with staggered fins

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence