Effects of pre-chamber flow-field on combustion stability in a spark-ignition engine using large-eddy simulations

R Novella, JM Pastor, J Gomez-Soriano, I Barbery - Physics of Fluids, 2023 - pubs.aip.org
Significant efforts are under way to develop innovative ignition systems for spark-ignition
engines used in transportation. Within this context, passive pre-chamber technology has …

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) …

Experimental study and prediction model of combustion stability and combustion mode variation of burning methanol/biodiesel blends for diesel engines

J Zhu, Z Wang, R Li, S Liu, Y Hua - Fuel, 2023 - Elsevier
The combustion stability is an essential metric for evaluating the stable operation of an
engine. To analyze the underlying reasons affecting the combustion stability, tests of …

Implementation of 1D–3D integrated model for thermal prediction in internal combustion engines

X Margot, P Quintero, J Gómez-Soriano… - Applied Thermal …, 2021 - Elsevier
The need to improve the thermal efficiency of gasoline engines used in hybrid vehicles, has
led to explore new solutions for reducing engine heat losses. Hence, it is important for the …

Experimental characterisation of the thermal energy released by a Radio-Frequency Corona Igniter in nitrogen and air

G Discepoli, V Cruccolini, F Ricci, A Di Giuseppe… - Applied Energy, 2020 - Elsevier
Abstract The Radio-Frequency Corona Ignition System is characterised by a wide initial
combustion volume and precursors production, via radical insemination by the streamers, in …

Spark discharge energy effect on in-cylinder characteristics performance of rapid compression and expansion machine with spark ignition direct injection strategy

C Windarto, O Lim - Fuel, 2023 - Elsevier
A spark ignition strategy in compression ignition has been considered to achieve high
performance of gasoline direct injection engines. The spark ignition energy depends on the …

Investigation of propane direct injection performance in a rapid compression and expansion machine: Pathways to diesel marine engine efficiency parity with spark …

C Windarto, A Setiawan, NHX Duy, O Lim - International Journal of …, 2023 - Elsevier
This paper explores pathways to achieve marine diesel-like, high-efficiency combustion
fueled with propane in a RCEM research engine. Analyzing the novel technique of liquid …

Investigating the combustion stability of shale gas engines under HHO

S Liu, L Zhang, Z Wang, L Hua, Q Zhang - Fuel, 2021 - Elsevier
Brown gas (HHO) contains H 2 and O 2, as well as a small amount of active oxygen radical
hydroxyl (· OH), which not only promotes the flame propagation process, but also affects the …

Improving fuel economy of spark ignition engines applying the combined method of power regulation

Y Gutarevych, V Mateichyk, J Matijošius, A Rimkus… - Energies, 2020 - mdpi.com
One of the disadvantages of spark ignition engines, whose power is regulated by throttling,
is the increased fuel consumption at low loads and when the engine is idle. The combined …

Parallel perturbation analysis of combustion cycle-to-cycle variations and emissions characteristics in a natural gas spark ignition engine with comparison to …

X Duan, L Xu, P Jiang, MC Lai, Z Sun - Chemosphere, 2022 - Elsevier
Severe combustion cycle-to-cycle variations (CCVs) in spark ignition (SI) engines
significantly increase partial or incomplete combustion cycles, which may result in …