A fractal model for heat transfer of nanofluids by convection in a pool |
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Authors: | Boqi Xiao Boming Yu Lingxia Chen |
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Institution: | a Department of Physics and Electromechanical Engineering, Sanming University, 25 Jingdong Road, Sanming 365004, PR China b School of Physics, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, PR China |
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Abstract: | Based on the fractal distribution of nanoparticles, a fractal model for heat transfer of nanofluids is presented in the Letter. Considering heat convection between nanoparticles and liquids due to the Brownian motion of nanoparticles in fluids, the formula of calculating heat flux of nanofluids by convection is given. The proposed model is expressed as a function of the average size of nanoparticle, concentration of nanoparticle, fractal dimension of nanoparticle, temperature and properties of fluids. It is shown that the fractal model is effectual according to a good agreement between the model predictions and experimental data. |
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Keywords: | 44 10 +i 44 25 +f 65 20 +w 65 80 +n |
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