Toward highly-efficient combustion of ammonia–hydrogen engine: Prechamber turbulent jet ignition

L Zhou, L Zhong, Z Liu, H Wei - Fuel, 2023 - Elsevier
Ammonia (NH 3) energy has emerged as a new international strategy to mitigate climate
change and energy crises because ammonia–hydrogen fuel can effectively overcome the …

Computational assessment of effects of throat diameter on combustion and turbulence characteristics in a pre-chamber engine

M Silva, X Liu, P Hlaing, S Sanal, E Cenker… - Applied Thermal …, 2022 - Elsevier
Towards fundamental investigation of key physical aspects of pre-chamber combustion, the
current work utilizes computational fluid dynamics to comprehend the effect of the throat …

Computational assessment of the effects of pre-chamber and piston geometries on the combustion characteristics of an optical pre-chamber engine

X Liu, ME Marquez, S Sanal, M Silva, AS AlRamadan… - Fuel, 2023 - Elsevier
Pre-chamber combustion (PCC) has the potential to extend the lean-burn limit in spark-
ignition engines, which can promote engine efficiency and relieve the concern of emissions …

Effects of volume and nozzle area in narrow-throat spark-ignited pre-chamber combustion engines

P Hlaing, ME Marquez, E Cenker, HG Im, B Johansson… - Fuel, 2022 - Elsevier
The pre-chamber combustion concept (PCC) concept shows promises for lean combustion
to achieve improved combustion stability and engine efficiency. The KAUST narrow-throat …

Comparative study of spark-ignited and pre-chamber hydrogen-fueled engine: a computational approach

H Aljabri, M Silva, MB Houidi, X Liu, M Allehaibi… - Energies, 2022 - mdpi.com
Hydrogen is a promising future fuel to enable the transition of transportation sector toward
carbon neutrality. The direct utilization of H2 in internal combustion engines (ICEs) faces …

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 …

Onboard capture and storage system using metal-organic frameworks for reduced carbon dioxide emissions from vehicles

G Pezzella, PM Bhatt, A AlHaji, A Ramirez… - Cell Reports Physical …, 2023 - cell.com
Heavy-duty freight transportation, a key part of global transportation networks, is an energy-
intensive contributor to growing CO 2 emissions. Here, an onboard post-combustion capture …

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 assessment of flame speed correlation in an ultra-lean pre-chamber engine

G Alkhamis, M Silva, E Cenker… - International Journal of …, 2023 - journals.sagepub.com
Predictive modeling of pre-chamber combustion engines relies primarily on the correct
description of laminar and turbulent flame speeds. For engineering applications, the …

Comparing unburned fuel emission from a pre-chamber engine operating on alcohol fuels using FID and FTIR analyzers

P Hlaing, A Said, E Cenker, HG Im, JWG Turner - 2022 - repository.kaust.edu.sa
Typical automotive emission testing systems usually employ Flame Ionization Detection
(FID) analyzers to measure unburned fuel species in the exhaust, but the technique is not …