Natural convection heat transfer by heated partitions within enclosure |
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| Affiliation: | 1. Department of Mechanical Engineering, Celal Bayar University, 45140 Manisa, Turkey;2. Department of Mechanical Engineering, Technology Faculty, Fırat University, 23119 Elaziğ, Turkey;1. Department of Theoretical Mechanics, Tomsk State University, 634050, Tomsk, Russian Federation;2. Laboratory on Convective Heat and Mass Transfer, Tomsk State University, 634050, Tomsk, Russian Federation;3. Department of Mechanical Engineering, Technology Faculty, Firat University, Elazig, Turkey;4. Department of Mechanical Engineering, King Abdulaziz University, Jeddah, Saudi Arabia;1. School of Mathematical Sciences, Universiti Kebangsaan Malaysia, UKM Bangi 43600, Selangor, Malaysia;2. Department of Theoretical Mechanics, Tomsk State University, Tomsk 634050, Russia;3. Institute of Power Engineering, Tomsk Polytechnic University, Tomsk 634050, Russia;4. Department of Mechanical Engineering, Prince Sultan Endowment for Energy and the Environment, Prince Mohammad Bin Fahd University, Al-Khobar 31952, Saudi Arabia;5. RAK Research and Innovation Center, American University of Ras Al Khaimah, Ras Al Khaimah, United Arab Emirates |
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| Abstract: | In this study, natural convection heat transfer and fluid flow of two heated partitions. within an enclosure have been analysed numerically. The right side wall and the bottom wall of the enclosure were insulated perfectly while the left side wall and top wall were maintained at the same uniform temperature. The partitions were placed on the bottom of the enclosure and their temperatures were kept higher than the non-isolated walls. The effects of position and heights of the partitions on heat transfer and flow field have been investigated. Computations for Rayleigh number in the range of 104 and 106 have been conducted. Using the control volume approach, finite difference equations are obtained with non-staggered grid arrangement, a computer program based on the SIMPLEM algorithm was developed. The finite difference equations were solved iteratively with a line-by-line Thomas algorithm. |
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