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Study on Natural Convection Heat Exchange Value of Nano-Fluid in Triangular Cavity
Author(s): 
Pages: 1-5
Year: Issue:  1
Journal: Journal of Gansu Sciences

Keyword:  Nano-fluidNatural convection heat exchangeTriangular cavityNumerical simulation;
Abstract: 采用有限容积法对二维三角形腔体内CuO-机油纳米流体自然对流换热进行了数值模拟研究,重点分析研究了液体纳米层厚度对CuO-机油纳米流体自然对流换热的影响,同时也研究了瑞利数Ra、纳米颗粒体积分数φ以及腔体高宽比AR对CuO-机油纳米流体自然对流换热的影响.研究结果表明,液体纳米层的存在使纳米流体的自然对流增强,换热量增大;在相同纳米颗粒体积分数下,随着Ra数的增大,自然对流换热强度显著增强,且Ra数较小时,换热量随着腔体高宽比AR的增大而减小.
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