Results 31 to 40 of about 4,532 (136)

Graphene Materials for Sustainable Energy Applications: A Contemporary Perspective

Carbon Energy, EarlyView.
ABSTRACT Graphene has garnered significant attention as a promising material with great potential for contributing to sustainable energy initiatives, such as RE100 (100% renewable energy initiative) and CF100 (100% carbon‐free initiative). This review aims to explore the potential of graphene for advancing renewable energy applications by highlighting
Niraj Kumar, Seul‐Yi Lee, Roop L. Mahajan, Soo‐Jin Park   +3 more
wiley   +1 more source

The proportional Caputo operator approach to the thermal transport of Jeffery tri-hybrid nanofluid in a rotating frame with thermal radiation

Scientific Reports, 2023
Engine Oil is a widely used fluid in engineering problems, particularly to enhance the rate of heat transfer when these working fluids play a fundamental role.
Muhammad Arif, Poom Kumam, Wiboonsak Watthayu, Luca Di Persio   +3 more
doaj   +1 more source

Design of Solar Energy Harvesting Reactor From 2D to 3D Structures for Solar Thermal Conversion

Carbon Innovation, EarlyView.
ABSTRACT Solar energy utilisation is pivotal for advancing sustainable and renewable energy solutions, yet the rational design of high‐efficiency photothermal conversion devices remains a critical challenge. This paper systematically examines the evolution of photothermal reactor architectures from two‐dimensional (2D) to 3D structures, emphasising ...
Haozhe Zhuang, Runsen Wang, Yuxuan Meng, Yuejun Chen, Sanli Tang, Yuefei Ruan, Vellaisamy A. L. Roy, Meng Lin, Xianguang Meng   +8 more
wiley   +1 more source

A Numerical Analysis of Laminar Forced Convection and Entropy Generation of a Diamond-Fe3O4/Water Hybrid Nanofluid in a Rectangular Minichannel

Journal of Applied Fluid Mechanics, 2019
The convective heat transfer and entropy generation of diamond-Fe3O4/water hybrid nanofluid through a rectangular minichannel is numerically investigated under laminar flow conditions.
C. Uysal, E. Gedik, A. J. Chamkha
doaj   +2 more sources

Numerical study of MHD hybrid nanofluid flow between two coaxial cylinders

Alexandria Engineering Journal, 2022
Numerical study for flow of a hybrid nanofluid between two coaxial cylinders organized. Nanomaterial consists of graphene oxide (GO) and copper (Cu) nanoparticles in Kerosene oil basefluid.
A. Alsaedi, K. Muhammad, T. Hayat
doaj   +1 more source

Tuning Colloidal Stability and Photothermal Conversion Efficiency of Graphite Nanofluids via Anionic‐Nonionic Surfactant Engineering

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Graphite nanofluids were stabilized using a mixed SDS/Tween 80 surfactant system. The optimized formulation exhibited enhanced colloidal stability, red‐shifted UV–Vis absorption, and improved photothermal conversion under solar irradiation. Achieving stable dispersion of graphite flakes (GFs) in aqueous media remains a critical challenge in developing ...
Ahmad Chehade, Shoaib Anwer, Md Islam, Eiyad Abu‐Nada   +3 more
wiley   +1 more source

Energy and exergy assessment of a photovoltaic-thermal (PVT) system cooled by single and hybrid nanofluids

Energy Conversion and Management: X
Photovoltaic-thermal (PVT) concept is a novel methodology to lower the PV module temperature and consecutively produce thermal and electrical energies.
Mohammed Alktranee, Qudama Al-Yasiri, Karrar Saeed Mohammed, Hayder Al-Lami, Péter Bencs   +4 more
doaj   +1 more source

Comparative Analysis of Al2O3/Water–TiO2/Chlorophyll Hybrid Nanofluids in a Photovoltaic–Thermal Solar Water Heating System

Energy Science &Engineering, EarlyView.
TiO2/chlorophyll bio‐hybrid nanofluid achieved the highest PVT performance, increasing thermal efficiency to 38.74% and overall efficiency to 51.35%, compared with 35.96% and 48.45% for Al2O3/water and 27.77% and 40.18% for water. The results demonstrate the potential of bio‐hybrid nanofluids for high‐efficiency solar thermal energy conversion ...
Oluwaseyi Omotayo Alabi, Oluwatoyin Joseph Gbadeyan, Oludolapo Akanni Olanrewaju   +2 more
wiley   +1 more source

Hybrid nanofluid flow over a vertical plate through porous medium in a conducting and chemically reacting field with radiation absorption and variable suction

Results in Engineering
This research investigates the flow of an electrically conductive hybrid nanofluid across a porous plate that is in motion and experiencing temperature and velocity slip. In addition, the impacts of radiation absorption and variable suction are included.
Ankita K. Badiger, B.N. Hanumagowda, K.M. Pavithra, S.V.K. Varma, C.S.K. Raju, Samad Noeiaghdam, Unai Fernandez-Gamiz   +6 more
doaj   +1 more source

Machine Learning Modeling of Drill Cuttings Transport Based on Computational Fluid Dynamics Simulation Data

Energy Science &Engineering, EarlyView.
Machine learning surrogates accurately predict drill cuttings transport from computational fluid dynamics data, with Reynolds number dominating system behavior. While tree‐based models excel in accuracy, Gaussian process regression provides physically consistent, smooth predictions essential for reliable drilling simulations.
Kathrin Skinder, Mostafa M. Abdelhafiz, Khizar Shahid, Gunther Brenner   +3 more
wiley   +1 more source