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Início - ICHMT DL Ano atual Arquivos Comitê executivo Centro Internacional para Transferência de Calor e Massa

LAMINAR FORCED CONVECTIVE MASS TRANSFER OF NANOFLUIDS IN A CIRCULAR TUBE

DOI: 10.1615/ICHMT.2011.TMNN-2011.110
page 7

Hossein Beiki
Department of Chemical Engineering, Isfahan University of Technology Isfahan 8415683111, Iran

Mohsen Nasr Esfahany
Department of Chemical Engineering, Isfahan University of Technology

Nasrin Etesami
Department of Chemical Engineering, Isfahan University of Technology

Resumo

Mass transfer coefficient of nanofluid in a circular tube was investigated experimentally. Nanofluid contains γ-Al2O3 nanoparticles in potassium ferri-ferrocyanide and sodium hydroxide aqueous solution as base fluid. The mass transfer experiments were carried out by using the electrochemical limiting current technique. Measurements showed that mass transfer coefficient enhancement for 0.01% nanofluid, is about 14.59% at Re=1260 compared with the base solution. The mass transfer coefficients decreased with increasing in the volume concentration of nanoparticles between 0.015% and 0.025%.

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