Results 131 to 140 of about 547,578 (311)

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

Common Rail Injector Operation Model and Its Validation

Energies
The aim of this study was to develop and subsequently validate a simulation model of a Common Rail (CR) system injector. The study includes a description of simulation and experimental tests conducted under various injector operating conditions ...
Karol Dębowski, Mirosław Karczewski
doaj   +1 more source

Biodiesel and vegetable oil market in European Union: some evidences from threshold cointegration analysis [PDF]

In this paper we analyse the long-run relationships between vegetable oils prices and conventional diesel price in EU during the period 2005- 2007. We utilise recent developments on threshold cointegration approach to investigate if asymmetric dynamic ...
Baldi, Lucia, Peri, Massimo
core   +1 more source

Combined Effect of Cetane Improver, Aluminum Oxide Nanoparticles, and Waste Cooking Oil Biodiesel Blend on a Dual Fuel Combustion Engine Run With Biogas Originated From Food Waste

Energy Science &Engineering, EarlyView.
Sugarcane juice is clarified and fermented with yeast to produce ethanol and CO₂. The broth is refined through distillation and molecular sieves, yielding fuel‐grade ethanol stored for transport. Bagasse, vinasse, and residues are recycled as valuable by‐products, enabling a sustainable bioethanol production pathway ABSTRACT This study investigates the
Kapura Tudu, Debabrata Barik, Sreejesh S. R. Chandran, Prabhu Paramasivam, Nanak Ram, Abinet Gosaye Ayanie   +5 more
wiley   +1 more source

Aspects Regarding the CO₂ Footprint Developed by Marine Diesel Engines

Fire
This study examines the emissions generated by a tall ship of 81.36 m length under various operating conditions, focusing particularly on carbon dioxide emissions at different navigation speeds.
Octavian Narcis Volintiru, Daniel Mărășescu, Doru Coșofreț, Adrian Popa   +3 more
doaj   +1 more source

Computational Analysis of Spray Angle Effects on Combustion and Emissions in Methane‐Diesel Dual‐Fuel Engine

Energy Science &Engineering, EarlyView.
This study concluded that wider spray angles produce wall impingement and greater unburned hydrocarbons in methane‐diesel dual‐fuel engines, whereas 110° balances efficiency and emissions. ABSTRACT A diesel methane dual fuel engine appears as a potential means for lowering emissions while retaining useful thermal efficiency.
Abdullah Al Rifat, Md. Arafat Rahman, Md. Mizanur Rahman, Tafsirul Hassan, Md Nazmul Haque   +4 more
wiley   +1 more source

Phenol Deoxygenation over Hydrotreating Catalysts [PDF]

, 2014
Phenol deoxygenation has been investigated as a model reaction for the deoxygenation of fatty acid methyl esters in biodiesel. Hydrodeoxygenated biodiesel is a drop-in fuel for petroleum diesel, and is a premium diesel with a high cetane number.
Ball, Madelyn R B
core   +1 more source

Bi‐Level Coordination of Demand Response and Multiple Virtual Power Plants in a Distribution Network for Flexibility Assessment

Energy Science &Engineering, EarlyView.
This study presents a hierarchical coordination framework where multiple VPPs interact with the DSO to optimize energy trades and flexibility offers. Each VPP aggregates DERs and DR, performing internal optimization, day‐ahead bidding, and assessing flexibility to reduce excess renewable generation and pollution.
Alireza Zare, Mohammad Agha Shafiyi, Mehrdad Setayesh Nazar, Miadreza Shafie‐khah, Pierluigi Siano   +4 more
wiley   +1 more source

Sustainable Optimization of Emissions and Performance in Hydrogen Port Injection Diesel Engines Through Port Timing and Injection Duration Modulation

Energy Science &Engineering, EarlyView.
Optimizing hydrogen port injection in diesel engines significantly improves efficiency and reduces emissions, demonstrating a sustainable dual‐fuel strategy for cleaner transportation solutions and lower environmental impact. ABSTRACT This study evaluates a single‐cylinder hydrogen port injection (HPFI) Diesel engine by systematically varying the ...
Kaustubh R. Kapadani, Nithyananda B S, Shrishail B. Sollapur, Rajesh K, Ashish M. Dharme, Hemant K, Nagaraj Ashok, Abhijit Bhowmik   +7 more
wiley   +1 more source

Machine Learning and Artificial Intelligence Techniques for Intelligent Control and Forecasting in Energy Storage‐Based Power Systems

Energy Science &Engineering, EarlyView.
A new energy paradigm assisted by AI. ABSTRACT The tremendous penetration of renewable energy sources and the integration of power electronics components increase the complexity of the operation and power system control. The advancements in Artificial Intelligence and machine learning have demonstrated proficiency in processing tasks requiring ...
Balasundaram Bharaneedharan, Suresh Panchanathan, Chan Choon Kit, Elumalai Perumal Venkatesan, Nasim Hasan   +4 more
wiley   +1 more source