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OriginalHeat and Mass Transfer
July 2016, Volume 52, Issue 7, pp 1265-1274

First online: 05 August 2015

Experimental investigation of forced convective heat transfer performance in nanofluids of Al₂O₃/water and CuO/water in a serpentine shaped micro channel heat sink

A. SivakumarAffiliated withDepartment of Mechanical Engineering, Christ College of Engineering and Technology Email author
, N. AlagumurthiAffiliated withDepartment of Mechanical Engineering, Pondicherry Engineering College
, T. SenthilvelanAffiliated withDepartment of Mechanical Engineering, Pondicherry Engineering College

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Abstract

The microchannels are device used to remove high heat fluxes from smaller area. In this experimental research work the heat transfer performance of nanofluids of Al₂O₃/water and CuO/water were compared. The important character of such fluids is the enhanced thermal conductivity, in comparison with base fluid without considerable alteration in physical and chemical properties. The effect of forced convective heat transfer coefficient was calculated using serpentine shaped microchannel heat exchanger. Furthermore we calculated the forced convective heat transfer coefficient of the nanofluids using theoretical correlations in order to compare the results with the experimental data. The heat transfer coefficient for different particle concentration and temperature were analysed using forced convection heat transfer using nanofluids. The findings indicate considerable enhancement in convective heat transfer coefficient of the nanofluids as compared to the basefluid. The results also shows that CuO/water nanofluid has increased heat transfer coefficient compared with Al₂O₃/water and base fluids. Moreover the experimental results indicate there is increased forced convective heat transfer coefficient with the increase in nano particle concentration.

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Title

Experimental investigation of forced convective heat transfer performance in nanofluids of Al₂O₃/water and CuO/water in a serpentine shaped micro channel heat sink

Journal

Heat and Mass Transfer
Volume 52, Issue 7 , pp 1265-1274

Cover Date

2016-07

DOI

10.1007/s00231-015-1649-5

Print ISSN

0947-7411

Online ISSN

1432-1181

Publisher

Springer Berlin Heidelberg

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Authors

A. Sivakumar ⁽¹⁾
N. Alagumurthi ⁽²⁾
T. Senthilvelan ⁽²⁾

Author Affiliations

1. Department of Mechanical Engineering, Christ College of Engineering and Technology, Puducherry, India
2. Department of Mechanical Engineering, Pondicherry Engineering College, Puducherry, India