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Research Article Open Access
In the present study, natural convection heat transfer in a partitioned square cavity utilizing nanofluids is studied. The vertical left and right walls are considered cold walls, and the partitions assumed to be hot. The nanoparticules used in this study is Cu with the volume fraction of 10%. The influence of different parameters such as Rayleigh number (Ra=103, 104 and 105), distance from the cold wall of the partition (d=0.3H-0.7H) are studied. According to the results, Rayleigh number and location of the partition are important factors that extremely affect the streamlines and isotherms. In this case we founded that the increase in Rayleigh number, increases the average Nusselt number for all the nanofluid volume fractions. The increment in average Nusselt number is strongly dependent on the location of the partition.
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Author(s): Yadil Naoufal, Mustafa Zaydan, Sehaqui Rachid
Nanofluid, Heat transfer, Natural convection, Partition, Rayleigh Number., Fluid Dynamics