CFD analysis of steady and transient natural convection in an enclosed cavity

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dc.contributor.author Mehedi, Tanveer Hassan
dc.contributor.author Tahzeeb, Rahat Bin
dc.date.accessioned 2017-11-06T04:41:01Z
dc.date.available 2017-11-06T04:41:01Z
dc.date.issued 2016-11-20
dc.identifier.citation [1] N. C. MARKATOS and K. A. PERICLEOUS, “LAMINAR AND TURBULENT NATURAL CONVECTION IN AN ENCLOSED CAVITY”, Concentration Heat and Momentum Limited, 40 High Street, Wimbledon, London SW19 SAU, U.K. [2] A.A. Ganguli, A.B. Pandit∗, J.B. Joshi, “CFD simulation of heat transfer in a two-dimensional vertical enclosure”, Chemical Engineering Research and Design. [3] Osman Turan , Robert J. Poole , Nilanjan Chakraborty, “Influences of boundary conditions on laminar natural convection in rectangular enclosures with differentially heated side walls”. [4] Huimin Cui, Feng Xu, Suvash C. Saha, “A three-dimensional simulation of transient natural convection in a triangular cavity”, International Journal of Heat and Mass Transfer. [5] John D. Hall, Adrian Bejan , Jack B. Chaddock, “Transient natural convection in a rectangular enclosure with one heated side wall”. [6] Patterson, J. C. and Imberger, J. Unsteady natural convection in a rectangular cavity. J. Fluid Mechanics, 1980, 100, 65-86 [7] Ivey, G. N. Experiments on transient natural convection in a cavity. J. Fluid Mechanics, 1984, 144, 389-401 en_US
dc.identifier.uri http://hdl.handle.net/123456789/143
dc.description Supervised by Dr. A.K.M Sadrul Islam Professor & Head of The Department Department of Mechanical & Chemical Engineering. Islamic University of Technology en_US
dc.description.abstract The research is conducted to find out the critical width of insulation in air insulated walls seen in residential buildings and industrial furnaces. Natural convection between two differentially heated walls have been simulated using ANSYS FLUENT in both steady and transient conditions. To simulate different heat transfer and fluid flow conditions, Rayleigh number ranging from 103 to 105 has been maintained (i.e. Laminar flow.) In case of steady state analysis, the cfd predictions are in very good agreement with the literature reviewed data. Transient simulation process has been performed by, using USER DEFINED FUNCTIONS, where the temperature of the hot wall varies with time in a sinusoidal manner. To obtain and compare the heat transfer properties, Nusselt Number has been calculated at the hot wall at different conditions. The buoyancy driven flow characteristics have been investigated by observing the flow pattern in a graphical manner. The characteristics of the system at different temperature differences between the wall has been observed and documented. en_US
dc.language.iso en en_US
dc.publisher IUT, MCE en_US
dc.title CFD analysis of steady and transient natural convection in an enclosed cavity en_US
dc.type Thesis en_US


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