A Review on Recent Developments of RCCI Engines Operated with Alternative Fuels

Siva Krishna Reddy Dwarshala (), Siva Subramaniam Rajakumar, Obula Reddy Kummitha, Elumalai Perumal Venkatesan, Ibham Veza and Olusegun David Samuel ()
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Siva Krishna Reddy Dwarshala: School of Mechanical Engineering, SRM Institute of Science and Technology, Kattankulathur, Chennai 603203, Tamil Nadu, India
Siva Subramaniam Rajakumar: School of Mechanical Engineering, SRM Institute of Science and Technology, Kattankulathur, Chennai 603203, Tamil Nadu, India
Obula Reddy Kummitha: Mechanical Engineering Department, B.V. Raju Institute of Technology, Narsapur 502313, Telangana, India
Elumalai Perumal Venkatesan: Department of Mechanical Engineering, Aditya Engineering College, Surampalem 533437, Andhra Pradesh, India
Ibham Veza: Department of Mechanical Engineering, Universiti Teknologi PETRONAS, Bandar Seri Iskandar 32610, Malaysia
Olusegun David Samuel: Department of Mechanical Engineering, Federal University of Petroleum Resources, P.M.B 1221, Effurun 330102, Nigeria

Energies, 2023, vol. 16, issue 7, 1-27

Abstract: 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: low-temperature combustion; reactivity-controlled compression ignition engine; premixing ratio; alternative fuels; emissions (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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