Article
Thermodynamics
V. Ashok Kumar, S. Arivazhagan, T. Balaji
Summary: Comprehensive experimentation was conducted on a vehicle radiator using a hybrid nanofluid consisting of Graphene nanoplatelets and Multi-walled carbon nanotubes nanoparticles. The nanofluid, dispersed in radiator coolant oil, exhibited enhanced thermal conductivity and convective heat transfer coefficient compared to the base fluid. The maximum improvement in overall heat transfer coefficient was observed at 0.5% volume concentration and 5 m/s air velocity. The synthesized hybrid nanofluid has the potential to be used as an alternative to existing coolant oil.
INTERNATIONAL JOURNAL OF THERMAL SCIENCES
(2023)
Article
Thermodynamics
Edwin Martin Cardenas Contreras, Enio Pedone Bandarra Filho
Summary: This study investigates the heat transfer performance of multiwalled carbon nanotube nanoparticles dispersed in a binary mixture of water-EG in an automotive radiator. The results show that increasing the concentration of nanoparticles can improve heat transfer performance, but there is a significant decrease in performance at high nanofluid inlet temperatures. Moreover, the stability of the nanofluids is affected by aggregation and sedimentation.
APPLIED THERMAL ENGINEERING
(2022)
Article
Chemistry, Physical
N. S. Naveen, P. S. Kishore
Summary: This study compares the forced convective heat transfer of Water-EG coolant and Water-EG based nanocoolant in a radiator. The heat transfer parameters under different flow rates and temperature conditions are experimentally evaluated.
JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY
(2022)
Article
Engineering, Chemical
Ashutosh Kumar, Prabha Chand, M. A. Hassan
Summary: In this study, the effects of MWCNT-SiO2-Ethylene Glycol-Water hybrid nanofluid as a coolant in a louvered finned car radiator were experimentally investigated. The hybrid nano-coolant showed a significantly larger temperature drop and enhanced cooling capacity compared to the base fluid.
Article
Thermodynamics
Kelvin U. Efemwenkiekie, Sunday O. Oyedepo, Solomon O. Giwa, Mohsen Sharifpur, Taiwo F. Owoeye, Kehinde D. Akinlabu, Josua P. Meyer
Summary: The study investigated the heat transfer performance of novel nanofluids containing Malay Apple extract in a radiator. Increasing the volume fraction enhanced heat transfer performance, with the maximum performance observed in hybrid nanofluids.
CASE STUDIES IN THERMAL ENGINEERING
(2021)
Article
Thermodynamics
A. Siricharoenpanich, S. Wiriyasart, P. Naphon
Summary: The study showed that nanoparticles suspended in the base fluid significantly impact the physical properties and flow features of the nanofluid, leading to higher heat removal capacity and lower thermal resistance. Heat sink with lower flow channels demonstrated lower thermal resistance compared to those with higher flow channels. The findings can be used to develop a knowledge base for designing thermal cooling systems for GPUs and other electronic components.
CASE STUDIES IN THERMAL ENGINEERING
(2021)
Article
Thermodynamics
A. M. Alklaibi, L. Syam Sundar, Kotturu V. V. Chandra Mouli
Summary: Experimental investigation of MWCNT + Fe3O4/water hybrid nanofluids as a coolant for a plate heat exchanger showed improved exergy efficiency, thermal performance factor, and effectiveness compared to de-ionized water, indicating the potential for enhancing heat transfer efficiency. The study also revealed a tradeoff between flow rate and cost, suggesting that operating at 5 lpm would be the most cost-effective option.
INTERNATIONAL JOURNAL OF THERMAL SCIENCES
(2022)
Article
Energy & Fuels
Mohamed H. S. Bargal, M. Mohamed Souby, Mohamed A. A. Abdelkareem, Mahmoud Sayed, Qi Tao, Ming Chen, Yiping Wang
Summary: Nanofluids have shown effectiveness in enhancing heat transfer performance in thermal engineering applications, making them a potential alternative coolant for automotive PEMFC cooling systems. Experimental results demonstrate that the addition of nanoparticles improves heat transfer rate and radiator effectiveness, with enhancements increasing with higher nanoparticle concentrations.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2021)
Article
Thermodynamics
S. O. Oyedepo, D. Ezeuduji, A. O. Araoyinbo, O. Kilanko, U. K. Efewikekwe, J. O. Dirisu, A. K. Aworinde, P. O. Babalola, R. O. Leramo, Mohamed Ahmed, B. Saleh
Summary: The combustion of fuel in an engine generates a large amount of heat, which needs to be dissipated to prevent engine overheating. Liquid cooling systems with radiators are commonly used for this purpose. Nanofluids, with their higher thermal conductivity, have shown potential as better alternatives to traditional coolants such as water and ethylene glycol. In this study, the thermal performance of water and aluminum oxide nanofluids in a crossflow radiator was investigated numerically, and the results demonstrated that nanofluids outperformed water in terms of heat transfer rate and coefficient.
NUMERICAL HEAT TRANSFER PART B-FUNDAMENTALS
(2022)
Article
Physics, Applied
Hassaan Ahmad, Kamel Al-Khaled, Ahmed S. Sowayan, Mohsin Abdullah, Muzamil Hussain, Ahmad Hammad, Sami Ullah Khan, Iskander Tlili
Summary: Heat produced inside internal combustion engines can cause damage and failures, making the engine cooling system crucial. Nanofluids, such as Al2O3/water and ZnO/water, are used to improve the heat transfer performance of radiators in automobile cooling systems. A comparison between Al2O3/water and ZnO/water nanofluids was conducted in this study, showing that Al2O3 nanoparticles are more effective as a coolant compared to ZnO nanoparticles.
INTERNATIONAL JOURNAL OF MODERN PHYSICS B
(2023)
Article
Green & Sustainable Science & Technology
Pinar Mert Cuce, Erdem Cuce, Tamer Guclu, Saboor Shaik, Saad Alshahrani, C. Ahamed Saleel
Summary: This study investigated the use of hybrid nanofluids as a refrigerant in portable thermoelectric refrigerators, finding that the nanofluids generally outperformed water in terms of system efficiency and temperature improvements, particularly under loaded conditions.
SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS
(2022)
Article
Thermodynamics
Houlin Liu, Linglin Jiang, Yong Wang, Marko Hocevar, Jun Yan, Jie Chen
Summary: By optimizing the impeller of the automotive coolant pump, the pumping efficiency can be increased and energy consumption reduced. The optimized scheme showed good hydraulic performance in the experiment and was compared with the original scheme.
ADVANCES IN MECHANICAL ENGINEERING
(2022)
Article
Chemistry, Physical
Poongavanam Ganesh Kumar, V. S. Vigneswaran, Vinothkumar Sivalingam, R. Velraj, Seong Cheol Kim, Vanaraj Ramkumar
Summary: Deionized water and activated carbon nanofluids were produced at different volume concentrations, and the structural properties and thermal exchange properties of these nanofluids were evaluated. The addition of activated carbon nanoparticles significantly improved the thermal conductivity and specific heat of the nanofluids. In a car radiator, the addition of activated carbon nanoparticles increased the Nusselt number and decreased the Reynolds number.
JOURNAL OF MOLECULAR LIQUIDS
(2023)
Article
Thermodynamics
Rashmi Rekha Sahoo
Summary: The study demonstrates that the ternary hybrid nanofluid improves thermal performance in automotive cooling systems, significantly enhancing heat transfer rate and efficiency while increasing system irreversibility. The shape and volume concentration variations of nanoparticles play a crucial role in the performance of radiators with ternary hybrid nanofluids.
HEAT AND MASS TRANSFER
(2021)
Article
Energy & Fuels
Mehrdad Zolfalizadeh, Saeed Zeinali Heris, Hadi Pourpasha, Mousa Mohammadpourfard, Josua P. P. Meyer
Summary: This study investigated the use of graphene nanoplate (GNP)/water nanofluids in a new shell-and-tube heat exchanger (STHE) and examined their impact on thermal efficiency, pressure drop, and heat transfer characteristics. The results showed that the addition of 0.06 wt.% GNP in the nanofluid improved the heat exchanger efficiency and heat transfer rate, but also increased pressure drops.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2023)