Measurement and Model Correlation of Specific Heat Capacity of Water-Based Nanofluids With Silica, Alumina and Copper Oxide Nanoparticles
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IMECE2011-62054_Draft_v.pdf
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Author(s)
O'Hanley, Harrison F.
Buongiorno, Jacopo
Hu, Lin-wen
McKrell, Thomas J.
Hu, Lin-Wen
Date Issued
November 2011
Journal
Proceedings of the ASME 2011 International Mechanical Engineering Congress and Exposition (IMECE 2011)
Publisher
ASME International
Citation
O’Hanley, Harry, Jacopo Buongiorno, Thomas McKrell, and Lin-wen Hu. “Measurement and Model Correlation of Specific Heat Capacity of Water-Based Nanofluids With Silica, Alumina and Copper Oxide Nanoparticles.” ASME 2011 International Mechanical Engineering Congress and Exposition (IMECE 2011). In Volume 10: Heat and Mass Transport Processes, Parts A and B, 1209-1214.
Version
Author's final manuscript
Abstract
Nanofluids are being considered for heat transfer applications. However, their thermo-physical properties are poorly known. Here we focus on nanofluid specific heat capacity. Currently, there exist two models to predict a nanofluid’s specific heat capacity as a function of nanoparticle concentration and material. Model I is a straight volume-weighted average; Model II is based on the assumption of thermal equilibrium between the particles and the surrounding fluid. These two models give significantly different predictions for a given system. Using differential scanning calorimetry, the specific heat capacities of water based silica, alumina, and copper oxide nanofluids were measured. Nanoparticle concentrations were varied between 5wt% and 50wt%. Test results were found to be in excellent agreement with Model II, while the predictions of Model I deviate very significantly from the data.
MIT Department
Massachusetts Institute of Technology. Department of Mechanical Engineering
Massachusetts Institute of Technology. Department of Nuclear Science and Engineering
MIT Nuclear Reactor Laboratory
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Creative Commons Attribution-Noncommercial-Share Alike 3.0
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DOI of Published Version
https://doi.org/10.1115/IMECE2011-62054
