Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/96905
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Type: Journal article
Title: Nucleate pool boiling heat transfer of binary nano mixtures under atmospheric pressure around a smooth horizontal cylinder
Author: Sarafraz, M.
Peyghambarzadeh, S.
Alavi Fazel, S.
Vaeli, N.
Citation: Periodica Polytechnica: Chemical Engineering, 2013; 57(1-2):71-77
Publisher: Budapest University of Technology and Economics
Issue Date: 2013
ISSN: 0324-5853
1587-3765
Statement of
Responsibility: 
M.M. Sarafraz, S.M. Peyghambarzadeh, S.A. Alavi Fazel, N. Vaeli
Abstract: Influence of Al₂O₃ nanoparticles on nucleate pool boiling heat transfer of diluted binary water-glycerol mixtures has been experimentally measured up to heat flux 91 kW/m2 at diluted volume fractions of 1% to 5% of glycerol into pure water at volumetric concentrations 0.5%, 1% and 1.5% of Al₂O₃ nanoparticles. Obtained results indicate that presence of nanoparticles into the mixtures result in increasing the pool boiling heat transfer coefficient values and also result in decreasing the wall superheat temperature of surface. Increased values of heat transfer are increased with increasing the volume fractions of Al₂O₃ too. Generally, it is concurred that Al₂O₃ nanoparticles typically enhance the pool boiling heat transfer coefficient of binary water-glycerol mixture in comparison with absence of nanoparticles circumstances, up to 25% at 1.5% Al₂O₃. Additionally, new simple semi - mathematical model has been proposed for a rough estimating of enhanced values with uncertainty about 8%.
Keywords: heat transfer; nucleate pool boiling; Al₂O₃; water; glycerol; binary mixture; nanofluid
Rights: Creative Commons Attribution
RMID: 0030038133
DOI: 10.3311/PPch.2173
Appears in Collections:Mechanical Engineering publications

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