LAPSE:2023.30930
Published Article
LAPSE:2023.30930
A Review on Recent Developments of RCCI Engines Operated with Alternative Fuels
April 17, 2023
Environmental concerns over automotive exhaust emissions and consumer demand for higher fuel efficiency have led to the development of low-temperature combustion concepts. The reactivity-controlled compression ignition (RCCI) engine is one among them and has the potential to reduce NOx and smoke emissions simultaneously. In this concept, a low-reactivity fuel is injected into the intake port and another high-reactivity fuel is injected into the cylinder directly. This results in reactivity stratification and provides more control over the rate of heat release. However, operating parameters such as reactivity of fuels, premixing ratio, injection strategies, exhaust gas recirculation ratio, piston bowl geometry, and compression ratio influence emissions formation. The article reviews recent developments on the effect of the above operating parameters on the performance and emission characteristics of RCCI engines operated with alternative fuels. The combustion strategies used to extend the RCCI mode to higher loads are also reviewed. Applications of computational fluid dynamics (CFDs) to design the combustion chamber for RCCI engines are discussed. The need for further improvements in the CFD models for RCCI engines is explained. After presenting a thorough review of recent literature, directions for future research on RCCI engines are proposed.
Keywords
Alternative Fuels, emissions, low-temperature combustion, premixing ratio, reactivity-controlled compression ignition engine
Suggested Citation
Dwarshala SKR, Rajakumar SS, Kummitha OR, Venkatesan EP, Veza I, Samuel OD. A Review on Recent Developments of RCCI Engines Operated with Alternative Fuels. (2023). LAPSE:2023.30930
Author Affiliations
Dwarshala SKR: School of Mechanical Engineering, SRM Institute of Science and Technology, Kattankulathur, Chennai 603203, Tamil Nadu, India
Rajakumar SS: School of Mechanical Engineering, SRM Institute of Science and Technology, Kattankulathur, Chennai 603203, Tamil Nadu, India [ORCID]
Kummitha OR: Mechanical Engineering Department, B.V. Raju Institute of Technology, Narsapur 502313, Telangana, India [ORCID]
Venkatesan EP: Department of Mechanical Engineering, Aditya Engineering College, Surampalem 533437, Andhra Pradesh, India [ORCID]
Veza I: Department of Mechanical Engineering, Universiti Teknologi PETRONAS, Bandar Seri Iskandar 32610, Malaysia [ORCID]
Samuel OD: Department of Mechanical Engineering, Federal University of Petroleum Resources, P.M.B 1221, Effurun 330102, Nigeria; Department of Mechanical Engineering, University of South Africa, Science Campus, Private Bag X6, Florida 1709, South Africa [ORCID]
Journal Name
Energies
Volume
16
Issue
7
First Page
3192
Year
2023
Publication Date
2023-04-01
Published Version
ISSN
1996-1073
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Original Submission
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PII: en16073192, Publication Type: Review
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LAPSE:2023.30930
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doi:10.3390/en16073192
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Apr 17, 2023
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