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- Title
PCCI combustion of low-carbon alternative fuels: a review.
- Authors
Bharadwaz, Y. Datta; Kumari, A. Swarna
- Abstract
Low-temperature combustion in diesel engines gained prominence because of their ability to meet the current emission standards without NOx and PM trade-off. Among the low-temperature combustion concepts, premixed charge compression ignition (PCCI) offers an in-cylinder emission reduction with minimal to zero engine modifications. This work reviews the role of premixed charge compression ignition (PCCI) of low-carbon and oxygen-rich fuels on diesel powertrains' performance. This review covers the fundamentals and significance of PCCI combustion with low-carbon oxygen-rich fuels of both renewable and synthetic origins. Various strategies employed for achieving PCCI combustion, in-cylinder, and external charge preparation are discussed in this review. The effect of a single injection, multiple split injections, injection pressure, and injection duration on PCCI combustion in diesel engines is discussed at length. Low-temperature combustion depends on the chemical kinetics of combustion. The present review discusses the numerical works carried out with detailed chemical kinetics of various conventional and alternative fuels. Challenges in PCCI combustion, such as wall-wetting in early direct injections, combustion phasing, narrow load range, and engine knock for conventional and unconventional fuels, are presented. Bottlenecks in the present PCCI technology, advantages of using alternative fuels for PCCI combustion, and the scope of future work are presented at the end of this review.
- Subjects
DIESEL motor combustion; COMBUSTION; COMBUSTION kinetics; KNOCK in automobile engines; DIESEL motors; ALTERNATIVE fuels; CHEMICAL kinetics; NITROGEN oxides emission control
- Publication
Journal of Thermal Analysis & Calorimetry, 2023, Vol 148, Issue 12, p5179
- ISSN
1388-6150
- Publication type
Article
- DOI
10.1007/s10973-023-12108-1