Results 1 to 10 of about 51,489 (217)

Advanced Loop Thermosiphon With Check Valve (ALT/CV): Thermal Performance and Behavior

open access: yesInternational Journal of Renewable Energy Development, 2021
Nanofluids (NFs) are an attractive alternative to traditional working fluids for thermosiphons, but the solid nanoparticles (NPs) within the NF can agglomerate and reduce the thermal performance.
Khridsadakhon Booddachan   +2 more
doaj   +1 more source

Simulation of melting paraffin with graphene nanoparticles within a solar thermal energy storage system

open access: yesScientific Reports, 2023
In this paper, applying new structure and loading Graphene nanoparticles have been considered as promising techniques for enhancing thermal storage systems.
M. Jafaryar, M. Sheikholeslami
doaj   +1 more source

Preparing Nanofluids (Al2O3) for Enhancement Performance of Photovoltaic [PDF]

open access: yesEngineering and Technology Journal, 2021
Photovoltaic (PV) panels produce electrical energy comparable to the cumulative amount of PV radiation generated on surface of sun. The solar modules influence on temperature of PV panel and for work with its standard specifications in Iraqi environment ...
Mohammed Saadoon   +2 more
doaj   +1 more source

Numerical simulation for impact of implement of reflector and turbulator within the solar system in existence of nanomaterial

open access: yesScientific Reports, 2023
Turbulent flow of oil based hybrid nanofluid within an absorber tube of concentrated solar system has been evaluated in this article. To concentrate the solar irradiation, the parabolic plate has been located below the tube and variable heat flux was ...
M. Sheikholeslami, M. Jafaryar
doaj   +1 more source

Heat transfer intensification of nanomaterial with involve of swirl flow device concerning entropy generation

open access: yesScientific Reports, 2021
The thermal features of hybrid nano-powder turbulent motion through a pipe employing helical turbulator is numerically simulated via Finite Volume Method (FVM).
Zahir Shah   +4 more
doaj   +1 more source

Evaluation of Stabilization and Physical–Chemical Properties of CNT Antifreeze Nanofluid Prepared in 50:50 EG/Water by Modified Strategy

open access: yesChemEngineering, 2023
This article proposes a better alternative method to prepare CNT antifreeze nanofluid in EG/water by modifying the conventional method that requires long hours of sonication.
Priyanka Yadav   +2 more
doaj   +1 more source

Optimization of accuracy in estimating the dynamic viscosity of MWCNT-CuO/oil 10W40 nano-lubricants

open access: yesEgyptian Informatics Journal, 2023
Artificial neural network (ANN) is one of the best models with good performance for predicting laboratory data, Due to its high accuracy, this design can be a suitable alternative to frequent and costly testing.
Mohammad Hemmat Esfe   +3 more
doaj  

Comparison of thermal conductivity of water-based nanofluids with various combinations of MWCNT, CuO, and SiO2 nanoparticles for using in heating systems

open access: yesCase Studies in Thermal Engineering, 2023
The application of nanofluids (NFs) with improved efficiency and performance is currently a major problem for many industrial sectors. By comparing two water-based NFs (with identical nanoparticles (NPs) but with different participation percentages ...
Mohammad Hemmat Esfe   +2 more
doaj  

Experimental study and sensitivity analysis of a new generation of special ternary hybrid nanofluids (THNFs) and investigation of factors affecting its thermal conductivity

open access: yesCase Studies in Thermal Engineering, 2022
During this research, for the first time, one of the thermophysical properties (relative thermal conductivity or RTC) of a special ternary hybrid nanofluid (THNF) is investigated. The results show that MWCNT-MgO-ZnO (15:50:35)/water THNFs have a suitable
Mohammad Hemmat Esfe   +2 more
doaj  

Thermal Transmission Comparison of Nanofluids over Stretching Surface under the Influence of Magnetic Field

open access: yesMicromachines, 2022
Heat transfer at industrial levels has been revolutionized with the advancement of nanofluid and hybrid nanofluid. Keeping this development in view, this article aims to present the rate of heat transfer for conventional and hybrid nanofluids ...
Mubashar Arshad   +4 more
doaj   +1 more source

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