Results 41 to 50 of about 121,913 (303)

Effective reduction of NOx emissions from diesel engine using split injections

Alexandria Engineering Journal, 2018
Good fuel economy and high thermal efficiency of direct injection diesel engines are certainly welcome characteristics from the viewpoints of preserving energy sources and suppressing global warming. Despite the attractive fuel economy, high emissions of
R. Sindhu, G. Amba Prasad Rao, K. Madhu Murthy   +2 more
doaj   +1 more source

Comparison of the combustion characteristics of gasoline and gasoline–ethanol blend under gasoline compression ignition mode

Cogent Engineering, 2022
In this study, conventional gasoline with a RON of 95 and gasoline–ethanol blend (20% ethanol in volume [E20]) were experimentally compared in terms of combustion characteristics and performance.
Van Thanh Ngo, Truong Giang Nguyen
doaj   +1 more source

Using LES to Study Reacting Flows and Instabilities in Annular Combustion Chambers [PDF]

, 2012
Great prominence is put on the design of aeronautical gas turbines due to increasingly stringent regulations and the need to tackle rising fuel prices.
A Giauque, A Roux, A Roux, A Sengissen, C Fureby, C Martin, F Nicoud, G Boudier, G Boudier, G Boudier, G Staffelbach, Gabriel Staffelbach, H Pitsch, J Smagorinsky, JM Senoner, L Benoit, L Selle, L Selle, Laurent Y. M. Gicquel, M Boileau, N Gourdain, O Colin, O Colin, P Moin, P Sagaut, P Schmitt, P Wolf, Pierre Wolf, Ramesh Balakrishnan, S Ghosal, S Mendez, S Roux, T Poinsot, T Poinsot, Thierry Poinsot, V Moureau, Y Huang   +36 more
core   +4 more sources

Tuning the Selectivity of the CO2 Reduction Reaction by Means of Synergistic Interactions in the Cu, Ag, Ce System

Advanced Functional Materials, EarlyView.
Multi‐metal Cu─Ce─Ag nanoparticles harness synergistic interactions to drive efficient electrochemical CO2 reduction reaction toward C2+ products at high current densities. Ag enhances CO production, Ce modulates Cu oxidation states, and together they boost *CO coverage and local pH to enhance C─C coupling, enabling record C2+ yields with suppressed ...
Nini Zhang, Muhammad Adib Abdillah Mahbub, Bashir Eid, Thomas Quast, Jian Zhang, Ridha Zerdoumi, Xin Wang, Sabine Seisel, Wangcheng Zhan, Wolfgang Schuhmann   +9 more
wiley   +1 more source

Specifications for modelling fuel cell and combustion-based residential cogeneration device within whole-building simulation programs [PDF]

, 2007
This document contains the specifications for a series of residential cogeneration device models developed within IEA/ECBCS Annex 42. The devices covered are: solid oxide and polymer exchange membrane fuel cells (SOFC and PEM), and internal combustion ...
Beausoleil-Morrison, Ian, Kelly, Nick
core   +1 more source

Covalent Organic Frameworks for Photocatalytic CO2 Reduction: Metal Integration Principles, Strategies and Functions

Advanced Functional Materials, EarlyView.
Covalent organic frameworks (COFs) with metals have been recognized as versatile platforms for photocatalytic CO2 reduction (CO2PRR). Herein, an overview of metal integration strategies for COFs is systematically summarized. Regulatory mechanisms and structure–activity relationships between metal integration and COF‐based CO2PRR are emphasized.
Jie He, Minxian Zhang, Jinqiang Zhang, Hongqi Sun, Shaobin Wang, Xiaoguang Duan   +5 more
wiley   +1 more source

CFD modelling of natural gas combustion in IC engines under different EGR dilution and H2-doping conditions

Transportation Engineering, 2020
The present paper provides a contribution to the CFD modelling of reacting flows in IC engines fueled with natural gas. Despite the fact that natural gas has been widely investigated into in the last decades, the literature still lacks reliable models ...
Mirko Baratta, Silvestru Chiriches, Prashant Goel, Daniela Misul   +3 more
doaj   +1 more source

Effect of ambient temperature and humidity on emissions of an idling gas turbine [PDF]

, 1977
The effects of inlet pressure, temperature, and humidity on the oxides of nitrogen produced by an engine operating at takeoff power setting were investigated and numerous correction factors were formulated.
Kauffman, C. W.
core   +1 more source

Nanothermometry in Living Cells: Physical Limits, Conceptual and Material Challenges

Advanced Functional Materials, EarlyView.
Heat and temperature are fundamental to life. When nanothermometers began probing regions as small as a living cell, they triggered controversial claims of large intracellular temperature gradients. We review physical constraints energy‐conservation, entropy production, thermodynamic fluctuations, and molecular dynamics.
Taras Plakhotnik
wiley   +1 more source

Arrhenius Equation for Calculating Viscosity in Assessing the Dilution Level of Lubricating Oil with Diesel Oil—A Case Study of SAE 30 and SAE 40 Grade Marine Lubricating Oils

Energies
This article proposes using the Arrhenius model for estimating the viscosity of a mixture of two liquids in the quantitative assessment of the physicochemical properties of lubricating oils in the context of assessing the level of dilution of lubricating
Leszek Chybowski, Marcin Szczepanek, Katarzyna Gawdzińska   +2 more
doaj   +1 more source