Results 51 to 60 of about 3,296 (214)

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

Mechanism and regulation of oil-lubricated triboelectrification at steel/PTFE interface

Friction
Electrostatic accumulation at the oil-lubricated interface may cause electrostatic adsorption of impurities and oil aging. However, there are still great challenges in terms of the triboelectric mechanism and electrostatic regulation under the oil ...
Mingyang Ma, Xin Wang, Liqiang Zhang, Jian Zhang, Xiaojuan Li, Runhao Zheng, Yange Feng, Xiaolong Zhang, Xinze Zhao, Daoai Wang   +9 more
doaj   +1 more source

Sustainable Aviation Fuel—An Innovative Approach for Developing an Optimized Methanol‐Based Production Pathway

Chemie Ingenieur Technik, EarlyView.
Growing air traffic increases the contribution of aviation fuels to global emissions. With few viable alternatives for decarbonizing aviation, Sustainable Aviation Fuels (SAF) are a key lever. Green methanol enables a flexible synthetic production pathway, but realizing a specification‐compliant 100% drop‐in fuel requires overcoming significant ...
Thomas Streich, Harald Kömpel, Tobias Kimpel, Simone Bettinger, Michael Roth   +4 more
wiley   +1 more source

Numerical and Experimental Investigations of Oil Return Efficiency in Tapered Roller Bearings Under Oil Jet Lubrication

Lubricants
Tapered roller bearings are extensively utilized in the aerospace industry owing to their superior load-carrying capacity and extended service life. However, the majority of research conducted by scholars on the subject of bearing lubrication has focused
Yu Dai, Cheng Yu, Hongmei Wu, Jianfeng Zhong, Xiang Zhu, Gang Wang   +5 more
doaj   +1 more source

Behaviors of a micro oil droplet in an EHL contact

Friction, 2016
Oil–air lubrication supplies lubricants in the form of droplets to elastohydrodynamic lubrication (EHL) contacts, such as those in high-speed spindle bearings.
Xinming Li, Feng Guo, Shaopeng Wang, Chenglong Liu, Wenzhong Wang   +4 more
doaj   +1 more source

A Study on the role of Oil-Air Mist Lubrication on an Ultrahigh-Speed Bio-Generator

Procedia Manufacturing, 2019
Abstract The significance of economical exploitation of resources has brought a need for compact and efficient electromechanical systems and electrical machines. The electrical machines such as bio-generators need to be featured with high power densities and high efficiencies with lower excitation losses, magnetizing currents and rotor losses ...
Ramesh Kuppuswamy, Colin Richmond, Azeem Khan   +2 more
openaire   +1 more source

Mapping Corporate Environment, Social, and Governance Discourses: Analysis of Korean Companies' Sustainability Reports (2014–2024)

Corporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT Corporations increasingly use Environmental, Social, and Governance (ESG) reports to articulate their commitments, priorities, and performance in sustainability governance. This study examines how Korean firms have configured and reconfigured their sustainability discourses across industries and time using 634 sustainability reports (2014–2024)
Taedong Lee, Sinjae Kang, Dian Wahyu Utami, Bohae Na   +3 more
wiley   +1 more source

Transient Simulation Analysis of Needle Roller Bearing in Oil Jet Lubrication and Planetary Gearbox Lubrication Conditions Based on Computational Fluid Dynamics

Lubricants
The transient lubrication conditions of rolling bearings are different in gearboxes and bearing testers. It has been observed that samples of qualified rolling bearings tested in rolling bearing testers often fail and do not meet lifespan requirements ...
Shushen Gao, Xiangying Hou, Chenfei Ma, Yankun Yang, Zhengminqing Li, Rui Yin, Rupeng Zhu   +6 more
doaj   +1 more source

Closing the Loop in Agrivoltaics: A Radiative Cooling Coating for Synergistic Self‐Cleaning and Water Harvesting

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A nanostructured photonic‐thermal coating enables radiative‐cooling‐induced condensation and water harvesting, establishing a self‐sustaining agrivoltaics microclimate loop that transforms PV panels into active climate regulators. The integration of photovoltaic (PV) panels into agricultural landscapes (i.e., agrivoltaics) offers a promising path for ...
Saichao Dang, Abdul Rahim Siddiqui, Murali Gedda, Yuxuan Huang, Shakeel Ahmad, Jehad K. El‐Demellawi, Dan Daniel, Osman M. Bakr, Stefaan De Wolf, Hussam Qasem, Husam N. Alshareef, Qiaoqiang Gan   +11 more
wiley   +1 more source

Phase‐Change‐Activated Slippery Organogel Composite for All‐in‐One Anti‐Corrosion, Antifouling, and Self‐Cleaning

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A super‐slippery liquid‐infused composite organogel is engineered by localized interfacial grafting between hydrogel and oleogel networks, endowing the coating with a durable, multifunctional marine‐protective interface. Dynamic antifouling surfaces have emerged as a promising alternative, offering the potential for eco‐friendly and high‐performance ...
Mengsheng Xia, Chao Wang, Jiahao Ma, Jiwei Chen, Yixi Su, Junkai Gao, Weiqi Fu   +6 more
wiley   +1 more source