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Settling Characteristics of Alumina Nanoparticles in Ethanol-Water Mixtures

Ilyas, Suhaib Umer and Pendyala, Rajashekhar and Marneni, Narahari (2013) Settling Characteristics of Alumina Nanoparticles in Ethanol-Water Mixtures. [Citation Index Journal]

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Abstract

Nanofluids are considered as promising heat transfer fluids due to enhanced heat transfer ability as compared to the base fluid alone. Knowledge of settling characteristics of nanofluids has great importance towards stability of nanosuspensions. Sedimentation behavior of Alumina nanoparticles due to gravity has been investigated using different proportions of ethanol-water binary mixtures. Nanoparticles of 40 nm and 50 nm are used in this investigation at 23°C. Sediment height with respect to time is measured by visualization method in batch sedimentation. The effect of sonication on the sedimentation behavior is also studied using ultrasonic agitator. The effect of particle diameter, nanoparticle concentration and ethanol-water proportion on sedimentation behavior of nanofluids has been investigated and discussed.

Item Type:Citation Index Journal
Subjects:T Technology > T Technology (General)
T Technology > TP Chemical technology
Academic Subject One:Nanofluids
Departments / MOR / COE:Departments > Chemical Engineering
Departments > Fundamental & Applied Sciences
Mission Oriented Research > Energy
ID Code:10865
Deposited By: Dr Rajashekhar Pendyala
Deposited On:16 Dec 2013 23:48
Last Modified:16 Dec 2013 23:48

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