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AN EXPERIMENTAL-STATISTICAL STUDY ON THERMAL CONDUCTIVITY AND VISCOSITY OF DIAMOND NANOFLUIDS

Farzin Mashali
Department of Mechanical Engineering, Tennessee Tech University, Cookeville, TN 38505, USA

Aaron Bain
Department of Mechanical Engineering, Tennessee Technological University, Cookeville, TN 38501

Ethan Languri
Department of Mechanical Engineering, Tennessee Technological University, Cookeville, TN 38501

Jim Davidson
International Femtoscience, Inc., Nashville, TN 372213

David Kerns
International Femtoscience, Inc., Nashville, TN 372213

DOI: 10.1615/TFEC2019.tfl.028127
pages 1873-1882

要約

Thermal conductivity is the main thermal property of any nanofluid. Therefore, several studies have been done to interrogate the thermal conductivity of nanofluid. In this study, the effect of particle weight concentration of a particular functionalized nanodiamond nanofluid up to 0.10 wt.% has been examined with temperature and deaggregation methods. Experiments showed an increase in thermal conductivity of nanofluids with increasing temperature and particle loading. The thermal conductivity of nanodiamond fluids showed a solid dependency on particle concentration, properties of particles and the base fluid and temperature. In order to investigate different factors' role on the thermal conductivity and viscosity of diamond nanofluid, statistical methods have been used in this paper. Response surface methodology based on the center cubic design was performed to survey the effect of independent factors such as temperature, concentration and de-aggregation method on thermal conductivity and viscosity of the nanofluid.

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