Results 21 to 30 of about 2,094 (200)

Analysis of Carbon Particulate Matter Removal Performance of Dual-Fuel Marine Engine with DOC + CDPF

Atmosphere, 2023
This study analyzes Diesel Oxidation Catalyst (DOC) and Carbon Diesel Particulate Filter (CDPF) after-treatment systems integrated into a WARTSILA W20DF marine dual-fuel engine. The CDPF was coated with a non-precious metal catalyst whose catalytic redox
Zhiyuan Yang, Zhiwen Tan, Qinming Tan, Shien Tu   +3 more
doaj   +1 more source

Phase-transition materials derived photonic metamaterials for passively dynamic solar thermal and coldness harvesting

Heliyon
The rising need for energy to actively heat and cool human-made structures is contributing to the growing energy crisis and intensifying global warming.
Hengliang Wu, Dan Shang, Huan Zhang, Lifeng Zhi, Shaolong Sun, Shiming Cui, Chaoqun Yan   +6 more
doaj   +1 more source

From Green Governance to Biodiversity Strategy: The Role of Environmentally Experienced Directors in Chinese Firms

Business Strategy and the Environment, EarlyView.
ABSTRACT This study investigates how directors with environmental protection (EP) backgrounds influence corporate biodiversity concern (BIO) among Chinese A‐share listed firms from 2008 to 2023. Drawing on Upper Echelons Theory, we argue that directors' environmental expertise shapes firms' biodiversity strategies.
Chengming Huang, Sultan Sikandar Mirza, Chengwei Zhang   +2 more
wiley   +1 more source

Numerical simulation of aerodynamic performance and propulsion effect prediction for rotor sails

Zhongguo Jianchuan Yanjiu
ObjectivePredicting and assessing the aerodynamic performance and propulsion effect of rotor sails is essential in the preliminary design phase for the rational selection of rotor sails.
Aihua QIU, Chaonan GAO, Xiaoxia CHENG, Jiarun XU, Jingjing LIU   +4 more
doaj   +1 more source

Diesel Substitution with Hydrogen for Marine Engines

Modelling and Optimisation of Ship Energy Systems 2023, 2023
Zero-carbon fuels are expected to catalyse the decarbonisation of the maritime industry, with hydrogen being considered a long-term solution. This study aimed to investigate the feasibility of using hydrogen as a secondary fuel in marine diesel engines.
Panagiotis Karvounis, Gerasimos Theotokatos   +1 more
openaire   +1 more source

Data‐Driven Analysis of Green Logistics Strategies for the Logistics and Transportation Companies: A Bipolar Fuzzy Methodology

Business Strategy and the Environment, EarlyView.
ABSTRACT Global imperatives, such as climate change, environmental concerns, and carbon emissions, make green transformation an inevitability in the logistics sector. Green logistics strategy formulation is an economic choice problem, but it also turns out to be a multicriteria decision‐making (MCDM) process that encompasses the triple bottom line (TBL)
Ömer Faruk Görçün, Abhijit Saha, Fatih Ecer   +2 more
wiley   +1 more source

A Marine Engineer's View on the Diesel Engines

Journal of Zosen Kiokai, 1926
1. The comparison between the steam engines and diesel engines. Fuel, coal and liquid, and their management. Reciplocators and turbines.2. The view on the management. The various valves of two and four cycle engines, and troubles for their management and maintenance.
openaire   +2 more sources

Challenges of Bio‐Syngas Conversion to High‐Value‐Added Liquid Chemicals and Fuels via COx Hydrogenation

Carbon Energy, EarlyView.
Converting biomass‐derived syngas into value‐added fuels and chemicals offers a promising route toward carbon neutrality, yet unfavorable H2/COx ratios, elevated CO2 levels, and trace impurities pose persistent obstacles. This review examines strategies spanning syngas conditioning, impurity‐tolerant catalyst development, and integrated process design,
Xuan Bie, Shiyu Zhang, Yuyao Yang, Shijie Yu, Jiahui Hu, Qinghai Li, Yanguo Zhang, Hui Zhou   +7 more
wiley   +1 more source

Chemical Commodities via Pyrolysis of Biomass: Phase Equilibria Calculations to Develop Valorization Strategies

Chemie Ingenieur Technik, EarlyView.
This study exploits phase equilibria calculations to describe fundamental behavior of fast pyrolysis bio‐oil during recovery (condensation) and downstream fractionation (extraction). This information is combined with an overview of potential value chains to produce chemicals via biomass fast pyrolysis to assess strategies and synergies.
Axel Funke, Amir Jalalinejad, Maryam Ghaedi, Nicolaus Dahmen   +3 more
wiley   +1 more source

Challenges in the Market Ramp‐Up of Electrolysis and PtX From a Technical Perspective

Chemie Ingenieur Technik, EarlyView.
This publication examines Power‐to‐Fuels pathways for decarbonizing transport and industry. Two ramp‐up scenarios assess electrolysis and fuel synthesis capacity needs for road transport and aviation in Germany through 2050. It addresses investments, technologies, cost reduction, industrial scale‐up, material efficiency, performance, and e‐fuels ...
Ralf Peters, Ilias Ouzlim, Martin Müller, Nikolai Utsch, Irina Galkina, Lukas Ritz, Markus Stähler, Nils Beltermann   +7 more
wiley   +1 more source