Experimental study and optimization of friction factor and heat transfer in the fin and tube heat exchanger using nanofluid
作者： Hassan Hajabdollahi , Mohammad Shafiey Dehaj
DOI: 10.1007/S13204-020-01616-3
关键词:
摘要: In the present research, friction factor and Nusselt number in tube side of a fin-and-tube heat exchanger are experimentally determined. Two kinds nanofluids including Al2O3 CuO water-based used experimental results performed for three nanoparticle volumetric concentrations (PVC) Reynolds between 3000 15,000. The show that both enhance case nanofluid as working fluid comparison to water this increment is higher nanofluid. at Re = 3000, 1.92%, 15.08% 22.46% enhancements observed compared with base PVC = 0.025, 0.050 0.075, respectively. mentioned improvements obtained 10.89%, 35.50% 46.11%, addition, 15.27%, 9.64% 13.80% increases fluid, respectively, 0.075. 7.71%, 13.97% 19.59%, Then, correlations derived adequate accuracy. Finally, optimization kind presence nanoparticles their presented.
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