Boiling heat transfer characteristics of graphene oxide nanoplatelets nano-suspensions of water-perfluorohexane (C6F14) and water-n-pentane

Marjan Goodarzi; Iskander Tlili; Hazim Moria; Tawfeeq Abdullah Alkanhal; R. Ellahi; Ali E. Anqi; Mohammad Reza Safaei

Alexandria Engineering Journal (Dec 2020)

Boiling heat transfer characteristics of graphene oxide nanoplatelets nano-suspensions of water-perfluorohexane (C6F14) and water-n-pentane

Marjan Goodarzi,
Iskander Tlili,
Hazim Moria,
Tawfeeq Abdullah Alkanhal,
R. Ellahi,
Ali E. Anqi,
Mohammad Reza Safaei

Affiliations

Marjan Goodarzi: Sustainable Management of Natural Resources and Environment Research Group, Faculty of Environment and Labour Safety, Ton Duc Thang University, Ho Chi Minh City, Vietnam
Iskander Tlili: Department of Mechanical and Industrial Engineering, College of Engineering, Majmaah University, Al-Majmaah 11952, Saudi Arabia
Hazim Moria: Department of Mechanical Engineering Technology, Yanbu Industrial College, Yanbu Al-Sinaiyah City 41912, Kingdom of Saudi Arabia
Tawfeeq Abdullah Alkanhal: Department of Mechatronics and System Engineering, College of Engineering, Majmaah University, Al-Majmaah 11952, Saudi Arabia
R. Ellahi: Department of Mathematics & Statistics, FBAS, IIUI, Islamabad, Pakistan; Center for Modeling & Computer Simulation, Research Institute, King Fahd University of Petroleum & Minerals, Dhahran-31261, Saudi Arabia
Ali E. Anqi: Department of Mechanical Engineering, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia
Mohammad Reza Safaei: Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam; Faculty of Electrical-Electronic Engineering, Duy Tan University, Da Nang 550000, Vietnam; NAAM Research Group, Department of Mathematics, Faculty of Science, King Abdulaziz University, Jeddah P.O. Box 80259, Saudi Arabia; Corresponding author at: Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam.

Journal volume & issue: Vol. 59, no. 6
pp. 4511 – 4521

Abstract

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In the present work, the boiling heat transfer coefficient (BHTC) and fluid flow characteristics of graphene oxide nanoplatelets (GONPs) nano-suspensions in an annular heat exchanger (AHEX) were experimentally investigated. The BHTC, pressure drop (PD) and the friction factor (FF) of the heat exchanger was quantified, and effects of various operating conditions including heat flux (HF), flow rate (FR), the temperature of the nano-suspension and the mass concentration (MC) of the GONPs on the HTC and the PD of the system was assessed. Results showed that by increasing the HF, the weight concentration of the GONPs, and the temperature of the working fluid, the BHTC of the system increases. Also, the presence of GONPs can augment the friction forces, viscosity, and, as a result, increase the PD and the FF of the system. For all the experiments, the BHTC of the system was more significant than water. A comparison between water-perfluorohexane and water- n-pentane nano-emulsions revealed that water-n pentane has better thermal performance and lower PD in comparison with perfluorohexane despite the presence of the GONPs within the bulk of the nano-emulsion.

Published in Alexandria Engineering Journal

ISSN: 1110-0168 (Print); 2090-2670 (Online)
Publisher: Elsevier
Country of publisher: Egypt
LCC subjects: Technology: Engineering (General). Civil engineering (General)
Website: http://www.journals.elsevier.com/alexandria-engineering-journal/

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