Results 61 to 70 of about 1,050 (178)

The mechanism and effect factors of the combustion cycle‐to‐cycle variations in the spark ignition engine

Energy Science &Engineering, Volume 12, Issue 10, Page 4773-4787, October 2024.
The authors comprehensively reviewed the fundamental reasons and mechanism of cycle‐to‐cycle variations (CCVs) of a spark ignition (SI) engine. In addition, the characteristic parameters and characterization methods of the CCV, the laws and influencing factors of the CCV, and the numerical simulation methods of the CCV were introduced in detail to ...
Xiongbo Duan, Lining Feng, Yan Xia
wiley   +1 more source

Experimental investigation on characterization of solid soot particle emissions using in-situ developed thermal desorption system from reactivity-controlled compression ignition engine

Journal of Traffic and Transportation Engineering (English ed. Online)
This study experimentally investigates the solid soot particle number emissions from the gasoline-diesel (GD) and CNG-diesel reactivity-controlled compression ignition (RCCI) engines.
Sahil Rana, Mohit Raj Saxena, Rakesh Kumar Maurya   +2 more
doaj   +1 more source

Numerical Study of a Direct Injection Internal Combustion Engine Burning a Blend of Hydrogen and Dimethyl Ether

Drones, 2018
In the reported study, various aspects of dimethyl ether/hydrogen combustion in a Reactivity Controlled Compression Ignition (RCCI) engine are numerically evaluated using Reynolds Averaged Navier-Stokes (RANS) and Large Eddy Simulation (LES).
Galia Faingold, Leonid Tartakovsky, Steven H. Frankel   +2 more
doaj   +1 more source

A comparative study of the impact on combustion and emission characteristics of nanoparticle‐based fuel additives in the internal combustion engine

Energy Science &Engineering, Volume 12, Issue 1, Page 284-303, January 2024.
Methodology and results overview: With the purpose of enhancing the efficiency and reducing the emissions of an internal combustion engine, the paper studies various nanoadditives that are used with the conventional fuel. From the analysis of the data available, it was observed that graphene and ceria demonstrated significant improvement in the ...
Aveek Gupta, Ravinder Kumar, Ashish Maurya, Mohammad H. Ahmadi, Bulbul Ongar, Anara Yegzekova, Jeet Prakash Sharma, Sumit Kanchan, Sagar Shelare   +8 more
wiley   +1 more source

Study on the Combustion and Emission Characteristic of a Heavy‐Duty Natural Gas/Ammonia RCCI Engine with Diesel Ignition

International Journal of Energy Research, Volume 2024, Issue 1, 2024.
As a carrier of hydrogen, ammonia has great potential in reducing pollution and carbon. This paper investigates the impact of diesel compression ignition on the combustion and emission performance of a natural gas/ammonia mixture RCCI engine through numerical simulation. The energy fraction of ammonia is set from 0% to 100% in the study to evaluate the
Weijian Zhou, Hongnan Wang, Song Zhou, Majed Shreka, Geng Chen   +4 more
wiley   +1 more source

The Interplay Between Combustion and Component Thermal Loading in Next-Generation Marine Engines Employing Reactivity-Controlled Compression Ignition

Energies
Energy transition demands cleaner and more efficient marine engines, accelerating the development of reactivity-controlled compression ignition (RCCI) concepts with multi-fuel capability.
Alireza Kakoee, Kian Golbaghi, Alberto Cafari, Aneesh Vasudev, Sadegh Mehranfar, Amin Mahmoudzadeh Andwari, Ben Smulter, Jari Hyvönen, Maciej Mikulski   +8 more
doaj   +1 more source

Modeling combustion timing in an RCCI engine by means of a control oriented model

Control Engineering Practice, 2020
[EN] Reactivity controlled compression ignition (RCCI) engines as one of low temperature auto ignition combustion strategies have shown a good performance to reduce NO (x) and soot emission while increasing engine thermal efficiency. Combustion control of these types of engines is relatively complex because of their ignition type which makes it ...
Kakoee, A., Bakhshan, Y., Barbier, Alvin Richard Sebastien, Bares-Moreno, Pau, Guardiola, Carlos   +4 more
openaire   +2 more sources

An experimental and ANN analysis of ammonia energy integration in biofuel powered low-temperature combustion engine to enhance cleaner combustion

Case Studies in Thermal Engineering
In the pursuit of global net-zero emissions targets and cleaner combustion technologies, researchers are increasingly turning to innovative solutions.
Krishnamoorthy Ramalingam, Suresh Vellaiyan, Satyanarayana Gupta M, Beemkumar Nagappan, Pramod Kumar Faujdar, Davannendran Chandran, Revathi Raviadaran   +6 more
doaj   +1 more source

Robust Multivariable Feedback Control of Natural Gas-Diesel RCCI Combustion

IFAC-PapersOnLine, 2016
Advanced combustion concepts such as Reactivity Controlled Compression Ignition (RCCI) demonstrate very high thermal efficiencies combined with ultra low NOx emissions. As RCCI is sensitive for operating conditions, closed-loop control is a crucial enabler for stable and robust combustion.
Indrajuana, A., Bekdemir, C., Luo, X., Willems, F.P.T.   +3 more
openaire   +3 more sources

Investigation of RCCI engine emission and performance

, 2021
The vehicle manufacturers and research institutes are seeking for clean and highefficiency combustion engine due to the increasing demand for crude oil andenvironment problems in recent years. Although aftertreatment system is capable ofreducing engine emissions to a low level, the limitation of these systems that cannotmake full use of fuel restricts ...
openaire   +1 more source