Open Access Open Access  Restricted Access Subscription or Fee Access

Natural Convection flow through Heated Vertical parallel plates

Manmatha K. Roul, Prateek D. Roul, Ramesh Chandra Nayak, Chandrika Samal, Saipad B.B.P.J. Sahu

Abstract


This article presents the theoretical and experimental analysis of natural convection heat transfer through heated vertical parallel plates. Two vertical parallel plates are heated by providing electrical heating coils on the external surface of the plates maintaining uniform heat flux conditions at the wall. The length, width and thickness of each plate is 500 mm, 150 mm and 5 mm respectively. Outer surface is insulated and thus allowing the heat to flow from the inner surface to air. Wall heat flux is kept at q// = 2188W/m2. A systematic experimental as well as theoretical data for the steady state heat transfer phenomena is attained. The results of the numerical analysis for air and wall temperatures are compared with that of the experimental investigation for same heat flux conditions. The results of both the investigations were found be in good agreement with each other for heat flux of 2188 W/m2.


Keywords


Heat flux, natural convection, heat transfer, temperature, CFD

Full Text:

PDF

References


Malik, S.K. and Sastri, V. M. K., “Experimental investigation of natural convection heat transfer over an array of staggered discrete vertical plates”, Journal of Energy Heat and Mass transfer, Vol. 18 (1996), pp. 127-133.

Sparrow, E. M. and Prakash, C., “Enhancement of natural convection heat transfer by a staggered array of discrete vertical plates”,ASME Journal of Heat Transfer, Vol. 102 (1980), pp. 215-220.

Hung, Y. H. and Shiau, W. M., “Local steady state natural convection heat transfer in vertical parallel plates with a two dimensional rectangular rib”,Int. J. Heat Mass Transfer, Vol. 31, No.6 (1988),pp. 1279-1288.

Gortyshov, Y. F., Popov, I.A., Olympiev, V. V. and Kostylev, B.B., “Study of natural convection hydrodynamics and heat exchange invertical openended channels,” ASME Journal of Heat Transfer, Vol. 110 (1996), pp. 1111-1128.

Sparrow, E. M. and Bahrami, P. A., “Experiments in natural convection from vertical parallel plates with either open or closed edges”, ASME Journal of Heat Transfer, Vol. 102 (1980), pp. 221-227.

Dixit, A.K., Roul, M.K., Panda, B.C., “Designing an Efficient Mathematical Model for Different Thermal Insulation Material using Group Search Optimization”, International Journal of Intelligent Engineering and Systems. 10(1): 28-37 (2017). http://dx.doi.org/10.22266/ijies2017.0228.04

Dixit, A.K., Roul, M.K., Panda, B.C., “Mathematical Model Using Soft Computing Techniques for Different Thermal Insulation Materials”, Journal of Intelligent Systems. 28(5):821–833 (2019). https://doi.org/10.1515/jisys-2017-0103

Dixit, A.K., Roul, M.K., Panda, B.C., “Numerical Techniques for Different Thermal Insulation Materials”, International Journal of Optimization in Civil Engineering. 8(1):29-42 (2018). http://ijoce.iust.ac.ir/article-1-323-en.html

Levy, E. K., Eichen, P.A., Cintani, W. R. and Shaw, R. R., “Optimum plate spacing for laminar natural convection heat transfer from parallel vertical isothermal flat plates: experimental verification”, ASME J. Heat Transfer, Vol. 97, 1975, pp. 474-476.

Roul, M.K., and Nayak, R.C., “Experimental Investigation of Natural Convection Heat Transfer through Heated Vertical Tubes”, International Journal of Engineering Research and Applications, Vol. 2 (2012) pp.1088–1096

Nayak R.C., Roul M.K., and Sarangi S.K., “Experimental Investigation of Natural Convection Heat Transfer in Heated Vertical Tubes with discrete rings”, Experimental Techniques, Vol.41 (2017), pp.585–603

Nayak R.C., Roul M.K., and Sarangi S.K., “Experimental Investigation of Natural Convection Heat Transfer in Heated Vertical Tubes”, International Journal of Applied Engineering Research, Vol. 12 (2017), pp.2538–2550

Nayak, R.C., Roul, M.K., and Sarangi, S.K., “Natural convection heat transfer in heated vertical tubes with internal rings”, Archives of Thermodynamics, Vol. 39 (2018), pp. 85-111

Sahoo, L.K., Roul, M.K. and Swain, R.K., “CFD analysis of steady laminar natural convection heat transfer from a pin finned isothermal vertical plate”, Heat Transfer—Asian Research, Vol. 46 (2017), pp. 840–862

Sahoo, L.K., Roul, M.K., Swain, R.K., “Natural Convection Heat Transfer Augmentation Factor with Square Conductive Pin Fin Arrays”, Journal of Applied Mechanics and Technical physics, Vol. 58 (2017), pp. 1115–1122

Sahoo, L.K., Roul, M.K. and Swain, R.K., “CFD analysis of natural convection heat transfer augmentation from square conductive horizontal and inclined pin fin arrays”, International Journal of Ambient Energy, Vol. 39 (2018), pp. 840–851

Sahoo, L.K., Roul, M.K. and Swain, R.K., “CFD analysis of heat transfer in hexagonal subchannels of super-fast reactor in upward flow”, Heat Transfer—Asian Research, Vol. 46 (8) (2017), pp. 1399-1412

Roul, M.K., Sahoo, L.K., “CFD modeling of pressure drop caused by two-phase flow of oil/water emulsions through sudden expansions”, International Journal of Engineering Research and Applications, Vol. 2 (6) (2012), pp. 1047-1054.

Churchill, S. W. and Chu, H. H. S., “Correlating equations for laminar and turbulent free convection from a vertical plate, International Journal of Heat and Mass Transfer, Vol. 18, Issue 11(1975), pp. 1323-1329

Dey, S. and Chakrborty, D., “Enhancement of convective cooling using oscillating fins”, International Communications in Heat and Mass Transfer, Vol. 36 (2009), pp. 508–512.

Roul, M.K. and Sahoo, L.K., “CFD modeling of pressure drop caused by two-phase flow of oil/water emulsions through sudden expansions”, International Journal of Engineering Research and Applications, Vol. 2, Issue 6 (2012), pp.1047-1054

Patra, S. K., Roul, M. K., Satapathy, P. K., and Barik, A. K. (2021). "Fluid Dynamics and Pressure Drop Prediction of Two-Phase Flow Through Sudden Contractions." ASME. J. Fluids Eng. September 2021; 143(9): 091401.

Roul, M.K. and Dash, S.K. (2009), “Pressure Drop Caused by Two-phase Flow of Oil/Water Emulsions Through Sudden Expansions and Contractions: A Computational Approach”, International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 19, No. 5, pp. 665-688.

Roul, M.K. and Dash, S.K. (2011), “Two-phase pressure drop caused by sudden flow area contraction/expansion in small circular pipes”, International Journal for Numerical Methods in Fluids, Vol. 66, No. 11, pp. 1420–1446.

Roul, M.K. and Dash, S.K. (2012), “Single-phase and Two-phase Flow through Thin and Thick Orifices in Horizontal Pipes”, ASME Journal of Fluids Engineering, Vol. 134, pp. 091301-1 to 091301-14.

Pradhan, H.K., Sahoo, A.K., Roul, M.K., Awad, M.M. and Barik, A.K., “Heat transfer characteristics of an 180° bend pipe of different cross sections using nano enhanced ionic liquids (NEILs)”, SN Applied Sciences (2020) 2:1127

Buonomo, B. and Manca, O., “Natural convection slip flow in a vertical microchannel heated at uniform heat flux”, International Journal of Thermal Sciences, Vol. 49 (2010), pp. 1333-1344.

El-Morshedy, S. E., Alyan, A. and Shouman, L., “Experimental investigation of natural convection heat transfer in narrow vertical rectangular channel heated from both sides”,Experimental Thermal and Fluid Science, Vol. 36 (2012) pp. 72–77.


Refbacks

  • There are currently no refbacks.


Copyright (c) 2022 Journal of Thermal Engineering and Applications