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Heat Transfer Enhancement Using Hybrid Nanoparticles in Ethylene Glycol Through a Horizontal Heated Tube

Adnan Mohammed, Hussein and M. M., Noor and K., Kadirgama and D., Ramasamy and M. M., Rahman (2017) Heat Transfer Enhancement Using Hybrid Nanoparticles in Ethylene Glycol Through a Horizontal Heated Tube. International Journal of Automotive and Mechanical Engineering (IJAME), 14 (2). pp. 4183-4195. ISSN 1985-9325(Print); 2180-1606 (Online)

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Abstract

Heating hybrid nanofluids by the mixing of solid nanoparticles suspended in liquid represents a new class of heat transfer enhancement. To enhance heat transfer for many industrial applications, a computational fluid dynamics modelling simulation using the finite volume method and adopting the SIMPLE algorithm was performed. The mixture of aluminium nitride nanoparticles into ethylene glycol which acts as a base fluid is considered as a new concept of hybrid nanofluids that can increase heat transfer. The hybrid nanofluid was prepared experimentally with a volume fraction range of 1% to 4%. The size diameter of nanoparticles, heat flux around a horizontal straight tube, and Reynolds number is approximately 30 nm, 5000 w/m2 and 5,000 to 17,000, respectively. The computational method had been successfully validated using available experimental data reported in the literature. It was found that 1% to 3% Aluminum nitride hybrid nanofluids can significantly affect efficiency, while more than 3% volume fraction are insignificant as they obtain less than one efficiency. Results show that a combination of aluminium nitride nanoparticles with the EG base fluid tends to augment heat transfer performance significantly.

Item Type: Article
Uncontrolled Keywords: Nanofluid; hybrid; ethylene glycol; turbulent; CFD.
Subjects: T Technology > TJ Mechanical engineering and machinery
Faculty/Division: Centre of Excellence: Automotive Engineering Centre
Faculty of Mechanical Engineering
Depositing User: M.M. Noor
Date Deposited: 05 Feb 2018 01:32
Last Modified: 27 Jul 2018 03:19
URI: http://umpir.ump.edu.my/id/eprint/19788
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