Assessing the cyclic variability of combustion and NO emissions in hydrogen-methane fueled HSSI engine via quasi-dimensional modeling under the influence of …

DC Rakopoulos, CD Rakopoulos, GM Kosmadakis… - Energy, 2024 - Elsevier
This paper assesses the cyclic variability (cycle-by-cycle variations (CCV)) of combustion,
performance and nitric oxide (NO) emissions in high-speed (HS), spark-ignition (SI) engine …

Assessing the cyclic-variability of spark-ignition engine running on methane-hydrogen blends with high hydrogen contents of up to 50%

GM Kosmadakis, DC Rakopoulos… - International Journal of …, 2021 - Elsevier
The cyclic variability in a spark-ignition (SI) engine is examined fueled with
methane/hydrogen blends with the use of an in-house computational fluid dynamics (CFD) …

Effect of spark timing on laser ignition and spark ignition modes in a hydrogen enriched compressed natural gas fuelled engine

RK Prasad, N Mustafi, AK Agarwal - Fuel, 2020 - Elsevier
In this experimental study, a prototype laser ignited engine was developed and fuelled with
hydrogen enriched compressed natural gas (HCNG; mixture of H 2 and CNG). Engine …

Spark advance self-optimization with knock probability threshold for lean-burn operation mode of SI engine

X Shen, Y Zhang, T Shen, C Khajorntraidet - Energy, 2017 - Elsevier
In this paper, a spark advance self-optimization strategy is presented for lean-burn operation
mode of spark-ignition (SI) engine which aims on-board combustion phase tuning to achieve …

Water injection to enhance performance and emissions of a turbocharged gasoline engine under high load condition

A Iacobacci, L Marchitto, G Valentino - SAE International Journal of Engines, 2017 - JSTOR
The potential benefits of water injection on performance and emissions were investigated on
a downsized PFI twin-cylinder turbocharged spark ignition engine. Experiments were carried …

Experimental study on the influence of low-temperature combustion (LTC) mode and fuel properties on cyclic variations in a compression-ignition engine

H Duan, M Jia, Y Chang, H Liu - Fuel, 2019 - Elsevier
In this study, the characteristics of the cyclic variations of three different low-temperature
combustion modes including reactivity-controlled compression ignition (RCCI) …

Development of a semi-empirical physical model for transient NOx emissions prediction from a high-speed diesel engine

A Bajwa, G Zou, F Zhong, X Fang… - … Journal of Engine …, 2024 - journals.sagepub.com
With emissions regulations becoming increasingly restrictive and the advent of real driving
emissions limits, control of engine-out NOx emissions remains an important research topic …

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

X Duan, L Feng, Y **a - Energy Science & Engineering, 2024 - Wiley Online Library
The combustion cycle‐to‐cycle variations (CCV) are the typical combustion phenomena in
the internal combustion engine, which will not only affect the combustion efficiency, heat …