Results 91 to 100 of about 43,213 (267)

Gas dynamics and heat transfer of stationary and pulsating air flows in round and triangular straight pipelines at different turbulence degrees

Известия высших учебных заведений: Проблемы энергетики
RELEVANCE of the study is determined by the fact that non-stationary gas-dynamic phenomena in pipelines of complex configuration are widespread in heat exchange and power equipment.
L. V. Plotnikov, L. E. Osipov, N. I. Grigoriev, D. A. Ponomarev, O. A. Plotnikov   +4 more
doaj   +1 more source

Lattice and Surface Engineering of Transition Metal Oxide Photoanodes for Efficient Photoelectrochemical Water Splitting

EcoEnergy, EarlyView.
This review highlights phase control, facet control, and atomic vacancy engineering as key strategies to enhance charge transport, light harvesting, and surface activity in PEC photoanodes. ABSTRACT Photoelectrochemical (PEC) water splitting is a promising approach for converting solar energy into hydrogen, yet the performance of transition metal oxide
Seonmi Ko, Jehoon Lee, Tae Sung Kim, Taeuk Park, Hyo Jin Park, Junyeob Yeo   +5 more
wiley   +1 more source

Toward a Paradigm Shift in Low‐Temperature SCR Catalyst Design: Defect Engineering and Data‐Driven Integration

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This work systematically reviews the key factors influencing the performance of low‐temperature NH3‐SCR. The mechanism and challenges of defect engineering strategies, such as oxygen vacancies, heteroatom doping, crystal facet exposure, and surface reconstruction, in controlling both activity and selectivity were analyzed.
Rongrong Kan, Pinjing He, Fan Lü, Hua Zhang   +3 more
wiley   +1 more source

Photothermal–Magnetocaloric Coupled Evaporators for Actively Adjustable Water Evaporation and Oil–Water Purification in Complex Environments

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A photothermal–magnetocaloric coupled aerogel evaporator is developed for actively adjustable water evaporation in complex environments. Magnetocaloric heating provides active energy compensation under low‐light conditions and disrupts interfacial hydrogen‐bond networks to promote evaporation.
Jingbo He, Dan Yang, Chunyu Yang, Ruihan Guo, Mengshu Xu, Dongxue Wang, Zhuoran Yang, Jian Huang, Wei Guo   +8 more
wiley   +1 more source

Assessment of the effects of microwave‐produced biodiesel blends on electric generator performance and emissions

Environmental Progress &Sustainable Energy, EarlyView.
Abstract Biodiesels are emerging as alternatives to diesel fuel. However, to be a feasible solution, biodiesels must meet strict criteria including high efficiency and minimal environmental impact. The current study focuses on evaluating ethyl ester biodiesel and its blends with diesel fuel to assess their potential.
Ilham Yahya, Fakher Hamdi, Mehrez Gassoumi, Tommaso Giannoni, Andrea Nicolini, Hakan Serhad Soyhan, Ridha Ennetta   +6 more
wiley   +1 more source

Hybrid Simulation–Machine Learning Surrogates for Coordinate‐Based Solar and Wind Energy Yield Assessment in Iraq: A Streamlit Decision‐Support Tool

Energy Science &Engineering, EarlyView.
This study integrates climatic simulations with machine learning to predict solar and wind energy across Iraq. Results show Random Forest excels for solar (R2 = 0.98) and neural networks for wind (R2 = 0.97), enabling a practical web tool for renewable energy planning. ABSTRACT Driven by the global shift away from fossil fuels, solar and wind resources
Bassam Musheer Kareem, Abdolsalam Ebrahimpour, Jafar Ghafouri, Roghayyeh Motallebzadeh   +3 more
wiley   +1 more source

Experimental research on the miscibility law of methanol-product oil blending systems

You-qi chuyun
Objective As an emerging energy source, methanol plays a crucial role in the energy transition. Implementing sequential transportation of methanol through existing product oil pipelines can lower transportation costs and enhance efficiency in the ...
Shangxin ZHAO, Guiliang PANG, Shujuan QIU, Xin HUANG, Lin TENG   +4 more
doaj   +1 more source

A Review of Energy Management Strategies for Hybrid Electric Vehicles

Energy Science &Engineering, EarlyView.
This review systematically categorizes energy management strategies (EMS) for hybrid electric vehicles, highlighting rule‐based, optimization‐based, learning‐based, and emerging algorithm‐mixing approaches. It provides a comprehensive roadmap for developing intelligent control systems to enhance energy efficiency and promote sustainable transportation.
Song Gao, Bingchan Zhou, Zhumu Fu, Zhaohui Jiang, Kaikai Zhang, Qihui Ma, Mingchong Dong, Fazhan Tao, Pengju Si, Xin Jin   +9 more
wiley   +1 more source

Single iron redox sites boost Methanol-SCR at low temperature

Nature Communications
Selective catalytic reduction of NOx to N2 by methanol as a reducing agent presents a prospective solution for the removal of NOx from the exhaust of methanol engines and the coal-fired power plant, but it confronts the problem of insufficient deNOx ...
Han Sun, Dekai Liu, Chenyang Li, Chang Wang, Haijun Chen, Zhili Wang, Guangjin Hou, Yun Hu, Masaaki Kitano, Xiaobo Li, Ke Li, Haoran Yang, Mian Wei, Zhaoyu Xiao, Weili Dai   +14 more
doaj   +1 more source

Integrated Solar and Wind Energy Systems for Domestic Power Generation and CO2 Emissions Reduction

Energy Science &Engineering, EarlyView.
A well‐structured and sequentially methodical procedure for evaluating the Wind and Photovoltaic Hybrid Energy System‐based technical, environmental, and economic viability. This study investigates the integration of solar photovoltaic(PV) and wind energy systems for domestic electricity generation in the Gaza Strip.
Mohamed Elnaggar, Mai Abuhelwa, Wael A. Salah, Aamir Bashir Taas, Hala J. El‐Khozondar, Yasser F. Nassar, Ahmad Aboul Khail, Alfian Ma'arif, Mohammed J. K. Bashir, Abdurrahman A. Mattar   +9 more
wiley   +1 more source