Results 81 to 90 of about 1,599,454 (261)

Performance Enhancement of Evacuated Tube Solar Collectors Using Fe3O4 Nanoparticle‐Enhanced Phase Change Materials for Efficient Thermal Energy Storage

open access: yesEngineering Reports, Volume 7, Issue 7, July 2025.
This study enhances ETSC performance using Fe3O4‐infused PCM, improving heat transfer and storage. At 0.6 wt.% Fe3O4, fluid temperature raise to 94.5°C, boosting thermal efficiency to 83.5% and exergy efficiency to 45.2%, demonstrating its potential for sustainable solar energy applications.
T. Sathish   +7 more
wiley   +1 more source

Influences of Variable Thermal Conductivity, Viscous Dissipation, and Cattaneo–Christov Heat and Mass Fluxes on MHD Tangent Hyperbolic Ternary Hybrid Nanofluid Flow Over a Stretching Sheet

open access: yesEngineering Reports, Volume 7, Issue 7, July 2025.
This research examines the heat and mass transfer rates in magnetohydrodynamic (MHD) tangent hyperbolic ternary hybrid nanofluid flow over a stretching plate, considering factors such as variable thermal conductivity, Joule heating, viscous dissipation, chemical reactions, Darcy–Forchheimer flow, Cattaneo–Christov heat and mass fluxes, and nonlinear ...
Asfaw Tsegaye Moltot   +3 more
wiley   +1 more source

Hybrid nanomaterial-based nanofluids for micropower generation

open access: yesRSC Advances, 2014
A new type of SWNT–CuS NP nanofluid has been synthesized for a nanofluid-based power generator to operate a temperature sensor.
Long Que, Yuan He, Shiva Vasiraju
openaire   +2 more sources

Flat Plate Collector Thermal Performance Assessment Using Hybrid MWCNT/Fe3O4/Water Nanofluid for Efficiency Enhancement: An Experimental Study

open access: yesEngineering Reports, Volume 7, Issue 7, July 2025.
The thermal performance of flat plate collectors (FPCs) was enhanced using nanofluids. A hybrid MWCNT/Fe3O4/water nanofluid achieved 71.9% thermal efficiency, outperforming conventional fluids. Improved Nusselt number, friction factor, and convective heat transfer highlight its effectiveness in optimizing FPC systems. ABSTRACT The flat plate collector (
T. Sathish   +6 more
wiley   +1 more source

Review on Synthesis Methods of Carbon Nanotubes as Activated Carbon Composites Based on Biomass for Supercapacitors in Electric Vehicles

open access: yesEnergy Technology, Volume 13, Issue 7, July 2025.
This work reviews various methods to synthesize carbon nanotubes and analyzes the best methods to produce composites for supercapacitors for electric vehicles. Chemical vapor deposition is found to be the best method because the produced CNTs can be used directly without purification unless the catalyst particles need to be removed.
Apri Wiyono   +9 more
wiley   +1 more source

Energy Sources and Thermal Management Technologies for Electric Vehicle Batteries: A Technical Review

open access: yesGlobal Challenges, Volume 9, Issue 7, July 2025.
Overview of Battery Thermal Management System (BTMS) methods, including air, liquid, cold plate, and hybrid cooling strategies—highlighting direct/indirect liquid techniques and hybrid integrations like PCM, refrigerant, and heat pipe systems. Abstract Efficient thermal management of high‐power lithium‐ion batteries (LiBs) is critical for ensuring ...
Md Atiqur Rahman   +6 more
wiley   +1 more source

Eco‐Friendly Biomass‐Based Carbon Dots, Carbon Nanotubes, Graphene, and Their Derivatives for Enhanced Oil Recovery: A New Horizon for Petroleum Industry

open access: yesChemistryOpen, Volume 14, Issue 7, July 2025.
This review explores the integration of biomass‐derived carbon nanomaterials in green enhanced oil recovery (GEOR) techniques. It highlights the challenges of conventional chemical EOR, emphasizing the environmental benefits of carbon dots, carbon nanotubes, and graphene derivatives.
Ruhul Amin Foisal   +2 more
wiley   +1 more source

Solar‐Powered Green Hydrogen from Electrolyzer (PV‐H2): A Review

open access: yesSolar RRL, Volume 9, Issue 14, July 2025.
This review highlights solar‐powered hydrogen production using electrolyzers. While direct photovoltaic (PV) coupling reduces costs, it poses stability challenges. Emerging PV types like floating PV offer integration benefits. However, large‐scale deployment faces issues like land use, high costs, and underexplored long‐term electrolyzer performance ...
Aritra Ghosh
wiley   +1 more source

Investigating the convective flow of ternary hybrid nanofluids and single nanofluids around a stretched cylinder: Parameter analysis and performance enhancement

open access: yesInternational Journal of Thermofluids
Within this research, we examined the convective flow of a blend of ternary hybrid nanofluids and single nanofluids with a stagnation point caused by a stretched cylinder.
Mehdi Mahboobtosi   +2 more
doaj  

Mass-Based Hybrid Nanofluid Model for Thermal Radiation Analysis of MHD Flow over a Wedge Embedded in Porous Medium

open access: yesJournal of Engineering
This study addresses the intricate interplay of magnetohydrodynamics (MHD), thermal radiation, and porous media effects, which are crucial in numerous engineering applications, including aerospace, energy systems, and environmental processes.
Sushila Choudhary   +4 more
doaj   +1 more source

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