Affiliation:
1. Department of Mechanical System Engineering, Kumamoto University, Kumamoto City, Kumamoto 860-8555, Japan
Abstract
Experimental study is performed on the turbulent heat transfer behavior of aqueous suspensions of nanoparticles flowing through a horizontal circular pipe heated under constant heat flux condition. Consideration is given to the effects of nanoparticle concentration and Reynolds number on heat transfer enhancement. It is found that (i) heat transfer enhancement is caused by suspending nanoparticles, so that maximum value of the Nusselt number is over twice than that of the pure working fluid, (ii) graphene-oxide-nanofluid developed here is non-Newtonian fluid, and (iii) but the pressure drop for graphene-oxide-nanofluid is almost the same as that of the pure working fluid, because volume fraction of particles is less than 1.0%.
Publisher
Springer Science and Business Media LLC
Subject
Fluid Flow and Transfer Processes,Renewable Energy, Sustainability and the Environment,Control and Systems Engineering
Cited by
12 articles.
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