Comparative Analysis of Free Natural Convection Heat Transfer on Rectangular and Triangular Fins with and without Perforation



Abstract Views
301

Downloads
304

Citations

Share

##plugins.themes.bootstrap3.article.sidebar##

Submitted Apr 30, 2018
Published May 27, 2018
10.24018/ejeng.2018.3.5.740

Abstract viewed = 301 times

Table of Contents

##plugins.themes.bootstrap3.article.main##

The importance of heat transfer by free natural convection can be found in many engineering application such as energy transfer in buildings, solar collectors, nuclear reactors and electronic packaging.  In this research work, we carried out the investigation and comparative analysis of heat transfer by natural convection on rectangular and triangular fins with and without circular perforation. A total of six (6) specimens were used.  Other materials that were used in this research work include four digital thermometers, one heating element, four thermocouple K-type and a power source.   The fins used in this research work were welded to a cylindrical pipe which served as the heat sink. The heat supplied was maintained at 2500C and the temperature drop through the fin was recorded for duration of 30minutes with intervals of 5minutes. It was observed that the temperature dropped more rapidly with the triangular fins than the rectangular fin. Also, the rate of heat dissipation increase with a corresponding increase in the number of perforation.

Keywords: Rectangular and Triangular Fins Perforated Natural Convection Heat Transfer Comparison

Downloads

Download data is not yet available.

References

  1. S. Mirapalli, and P.S. Kishore, “Fin Heat Transfer Analysis on a Triangular Fin.”, International Journal of Engineering Trends and Technology, 19, 279-282, 2015
     Google Scholar
  2. S.S. Sane, N.K. Sane, G.V. and A. Parishwad, “Computational Analysis of Horizontal Rectangular Notched Fin Arrays Dissipating Heat by Natural Convection” 5th European Thermal-Sciences Conference, The Netherlands, 2008
     Google Scholar
  3. D. Bhanja, AND b. Kundu, B, “Thermal Analysis of a Constructed T-shaped Porous Fin with Radiation Effects”, International Journal of Refrigeration, 34, 1483, 2011
     Google Scholar
  4. S.H. Barhatte, “Experimental and Computational Analysis and Optimization for Heat Transfer through Fins with Triangular Notch”, International Journal of Emerging Technology and Advanced Engineering, 2(7), 23-32, 2012
     Google Scholar
  5. World Academy Science Conference on Engineering and Technology, Mechatronic and Manufacturing Engineering, South Africa, 2014
     Google Scholar
  6. B.T.F. Chung, and J.R. Iyer, “Optimum Design of Longitudinal Rectangular Fins and Cylindrical Spines with Variable Heat Transfer Coefficient”, Heat Transfer Engineering, 14(1), 31-42, 1993
     Google Scholar
  7. H.S. Kang, and D.C. Look, “Optimization of Thermally and Geometrically Asymmetric Trapezoidal Fins”, AIAA J. of Thermo-physics and Heat Transfer, vol. 18(1), 52-57, 2004
     Google Scholar
  8. C. Casarosa, and A. Franco, “On the Optimum Thermal Design of Individual Longitudinal Fins with Rectangular Profile”, Heat Transfer Engineering, 22 (1), 51-71, 2001
     Google Scholar
  9. S.W. Ma, A.I. Behbahani, and Y.G. Tsuei, “Two-Dimensional Rectangular Fin with Variable Heat Transfer Coefficient”, Int. J. of Heat and Mass Transfer, 34 (1), 79-85, 2001
     Google Scholar
  10. R.H. Yeh, “An Analytical Study of the Optimum Dimensions of Rectangular Fins and Cylindrical Pin Fins”, Int. J. Heat Mass Transfer, 40(15), 3607-3615, 1997
     Google Scholar
  11. B. Kundu, and P.K. Das, “Performance Analysis and Optimization of Eccentric Annular Disk Fins,” ASME J. of Heat Transfer, 121,128-135, 1999
     Google Scholar
  12. H.S. Kang, and D.C. Look, “Two Dimensional Trapezoidal Fins Analysis”, Computational Mechanics, 19,247-250, 1997
     Google Scholar
  13. A S. Abrate, and P. Newnham, “Finite Element Analysis of Triangular Fins Attached to a Thick Wall”, Computers and Structures, 57(6), 945-957, 1995
     Google Scholar
  14. K. Laor, and H. Kalman, “The Effect of Tip Convection on the Performance and Optimum Dimensions of Cooling Fins”, Int. Comm. Heat Mass Transfer, 19, 569-584, 1992
     Google Scholar
  15. B.T.F. Chung, M.H. Abdalla, and F. Liu, “Optimization of Convective Longitudinal Fin of Trapezoidal Profile,” Chem. Eng. Comm., 80, 211-223, 1989.
     Google Scholar