COMPARATIVE STUDY OF HEAT TRANSFER THROUGH PLATE FIN

GAUTMBHAI PATEL, RAM VISHWAKARMA, BHOOPENDRA PATEL

Abstract


The main purpose of extended surfaces called fins enhances the heat transfer rate. Fins offer an economical solution in several situations demanding natural convection heat transfer. The choice of a selected fin configuration in any heat transfer application depends on the, weight, space, manufacturing technique and cost concern additionally because the thermal characteristics it exhibits. In the present study, a detailed work has been done to develop a finite element methodology (FEM) to compare the effect of inlet velocity of air on Nusselt number, thermal resistance and pressure drop for plate fin heat sink (PFHS) and Different profiles like Plate Fin Heat Sink (PFHS), Elliptical plate Fin Heat Sink(EPFHS), Hexagonal Plate Fin Heat Sink (HPFHS) have been taken for simulation. The effect of changing shape of pin fin keeping same hydraulic diameter and Effect of inlet velocity on Thermal Resistance and Pressure Drop,Nusseltnumber has been studied elaborately.KEYWORDS :Heat Exchanger, CFD, Mass Flux, Heat Transfer, Turbulence Modeling etc.Also the effect of increasing number of pin fins on thermal resistance, pressure drop, Nusselt number has been observed. Finite element method (FEM) was used to compute Thermal resistance and Nusselt number. An extensive study was carried out using ANSYS WORKBENCH 14.5, a powerful platform for finite element analysis.Results obtained from a series of thermal resistance and pressure drop, Nusselt number variation curves for different profiles like Plate Fin Heat Sink (PFHS), Elliptical plate Fin Heat Sink (EPFHS), Hexagonal Plate Fin Heat Sink (HPFHS) . Hexagonal Plate Fin Heat Sink (HPFHS) for different no. of pin fin. It has been founded the Nusselt number is highest for Hexagonal Plate Fin Heat Sink (HPFHS) having 5 fins , thermal resistance is also minimum although pressure drop increases as we increases inlet velocity.


Keywords


Finite Element Method, Plate Fin Heat Sink(PFHS) , Elliptical plate Fin Heat Sink(EPFHS), Hexagonal Plate Fin Heat Sink (HPFHS), Ansys, Thermal Resistance And Pressure Drop, Nusselt Number

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References


REFRENCES

Yue-Tzu Yang, 2008,Investigation of planted pin fins for heat transfer enhancement in plate fin heat sink. Microelectronics Reliability 49 pages 163–169

Kenan Yakut,2006, Optimum design-parameters of a heat exchanger having hexagonal fins, Applied Energy 83 (2006) pages 82–98

Monoj Baruah1,2011, Performance of Elliptical Pin Fin Heat Exchanger with Three elliptical Perforations, Vol. 3 (2) – June 2011

Y. Pratapa Reddy,2015 Temperature Distribution Analysis ofComposite Pin Fin By Experimental andFinite Element Method, International Journal of Innovative Research in Science,Engineering and Technology. Vol. 4, Issue 10, October 2015

Isam H. E. Qasem,2015, One Dimensional Finite Element Analysis of Heat Dissipation from Rectangular Fin with Longitudinal Hexagonal Perforations. 2015

Anupam dewan,2011, Computation of turbulent convective heat Transfer in a hollow cirular pin fin heat exchanger proceedings of the 21st national & 10thishmt-asme heat and mass transfer conference

Vivek Kumar,2009, CFD Analysis of an Elliptical Pin Fin Heat Sink using Ansys Fluent v12.1 International Journal of Modern Engineering Research (IJMER) ,Vol.3, Issue.2, March-April. 2013 pp-1115-1122, ISSN: 2249-6645

Bayram Sahin ,2008, Thermal performance analysis and optimum design parametersof heat exchanger having perforated pin fins Energy Conversion and Management 49 (2008) 1684–1695

Lee, M., Kim, H. J., and Kim, D. K., 2016. Nusselt number correlation for natural convection from vertical cylinders with triangular fins. Applied Thermal Engineering ,Pages, 1238–1247

Vyas, A., Gupta, S., and Gupta, S., 2016. Determining relation among Shape of Perforation and Convective Heat transfer from Lateral fin arrangement using Simulation by Computational Fluid Dynamics. International Refereed Journal of Engineering and Science , Pages, 2319-182

Chaudhari, G. A., Wankhede, I. N., and Patil, M. H., 2016. Effect of Percentage of Perforation on the Natural Convection Heat Transfer from a Fin Array. International Journal of Engineering and Technical Research, Pages, 2321-0869 exchangers for milk processing. J Food Eng, 57 (2003): 237–242.

Hesselgreaves J.E. , Compact Heat Exchangers: Selection, Design and Operation. Gulf Professional, 2001

Janssen, L.A.M. and Hoogendoorn, C.J. Laminar convective heat transfer in helical coiled tubes. Int J Heat Mass Transf, 21 (1978): 1197–1206.

Jayakumar, J.S. and Grover, R.B. Two phase natural circulation residual heat removal, In Proc. 3rd ISHMT-ASME Heat and Mass Transfer Conference, Kanpur, India. 1997


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