DoE-ML guided optimization of an active pre-chamber geometry using CFD

M Silva, B Mohan, J Badra, A Zhang… - … Journal of Engine …, 2023 - journals.sagepub.com
An optimized active pre-chamber geometry was obtained by combining computational fluid
dynamics (CFD) and machine learning (ML). A heavy-duty engine operating with methane …

An experimental and one-dimensional modeling analysis of turbulent gas ejection in pre-chamber engines

JM Garcia-Oliver, Y Niki, R Rajasegar, R Novella… - Fuel, 2021 - Elsevier
Experimental results from a study on the evolution of gas jets ejected through the orifices of
a pre-chamber in a heavy-duty optical engine are presented. The work examines conditions …

A study of lean burn pre-chamber concept in a heavy duty engine

P Hlaing, M Echeverri Marquez, V Shankar, E Cenker… - 2019 - repository.kaust.edu.sa
Due to stringent emission standards, the demand for higher efficiency engines has been
unprecedentedly high in recent years. Among several existing combustion modes, pre …

Analysis of experimental results with an active pre-chamber ultra-lean burn SI engine

C Müller, S Pischinger, S Tews… - … Journal of Engine …, 2021 - journals.sagepub.com
To ensure that private cars can continue to be used in the future, they must become
significantly more efficient and at the same time emit considerably less pollutants. In addition …

The effects of piston shape in a narrow-throat pre-chamber engine

MR Silva, M Ben Houidi, P Hlaing, S Sanal, E Cenker… - 2022 - repository.kaust.edu.sa
The current work utilizes computational fluid dynamics (CFD) simulations to assess the
effects of different piston geometries in an active-type pre-chamber combustion engine …

A computational investigation of fuel enrichment in the pre-chamber on the ignition of the main chamber charge

M Silva, S Sanal, P Hlaing, E Cenker, B Johansson… - 2021 - sae.org
Pre-chamber combustion (PCC) engines allow extending the lean limit of operation
compared to common SI engines, thus being a candidate concept for the future clean …

Reactivity Controlled Compression Ignition for clean and efficient ship propulsion

M Mikulski, S Ramesh, C Bekdemir - Energy, 2019 - Elsevier
Abstract Reactivity Controlled Compression Ignition (RCCI) is commonly mentioned as a
potential efficient and clean combustion concept. This study makes the first evaluation of …

High-speed imaging of main-chamber combustion of a narrow throat pre-chamber under lean conditions

ME Marquez, P Hlaing, Q Tang, R Sampath, E Cenker… - 2020 - sae.org
Pre-chamber combustion (PCC) allows an extension on the lean limit of an internal
combustion engine (ICE). This combustion mode provides lower NOx emissions and shorter …

[HTML][HTML] Controlled autoignition inside an active pre-chamber using alternative fuels

P Burkardt, B Lehrheuer, S Pischinger - Applied Thermal Engineering, 2024 - Elsevier
The efficiency of spark-ignition engines can be increased by increasing the excess air
dilution using active pre-chambers (PCs), which are characterized by larger inner PC …

Gas dynamics of spark-ignited pre-chamber assisted engine: PIV study

P Sharma, R Sampath, Q Tang, MA Echeverri Marquez… - 2022 - repository.kaust.edu.sa
In recent years lean-burn technologies have acquired center stage in engine research due
to stringent emission norms. Among such technologies, pre-chamber assisted combustion …