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Review and Comparison of Nanofluid Thermal Conductivity and Heat Transfer Enhancements

Review and Comparison of Nanofluid Thermal Conductivity and Heat Transfer Enhancements,10.1080/01457630701850851,Heat Transfer Engineering,Wenhua Yu,D

Review and Comparison of Nanofluid Thermal Conductivity and Heat Transfer Enhancements   (Citations: 64)
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This study provides a detailed literature review and an assessment of results of the research and development work forming the current status of nanofluid technology for heat transfer applications. Nanofluid technology is a relatively new field, and as such, the supporting studies are not extensive. Specifically, experimental results were reviewed in this study regarding the enhancement of the thermal conductivity and convective heat transfer of nanofluids relative to conventional heat transfer fluids, and assessments were made as to the state-of-the-art of verified parametric trends and magnitudes. Pertinent parameters of particle volume concentration, particle material, particle size, particle shape, base fluid material, temperature, additive, and acidity were considered individually, and experimental results from multiple research groups were used together when assessing results. To this end, published research results from many studies were recast using a common parameter to facilitate comparisons of data among research groups and to identify thermal property and heat transfer trends. The current state of knowledge is presented as well as areas where the data are presently inconclusive or conflicting. Heat transfer enhancement for available nanofluids is shown to be in the 15–40% range, with a few situations resulting in orders of magnitude enhancement.
Journal: Heat Transfer Engineering - HEAT TRANSFER ENG , vol. 29, no. 5, pp. 432-460, 2008
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