Overview of the potential and limitations of cylinder deactivation

K Fridrichová, L Drápal, J Vopařil, J Dlugoš - Renewable and Sustainable …, 2021 - Elsevier
… When the cylinders need to be reactivated, the dilution of the exhaust gas detectable by the
… for by greater fuel injection into the active cylinders. The lower engine speed limit is set to …

[PDF][PDF] Split-cycle air hybrid engine

S Scuderi, S Scuderi - Patent, WO, 2007 - scuderiengine.com
… valve 50 (port fuel injection), or directly into the power cylinder 14 (direct injection). Once the
… valve 58 is opened and spark ignition and fuel injection functions are reactivated. Also, the …

Thermodynamic optimisation of spark ignition engines under part load conditions

BS Ribeiro - 2007 - repositorium.sdum.uminho.pt
… (VVT) systems, the use of direct injection and lean burn are the … A single cylinder DI Diesel
engine was tested and modified to … – Break specific fuel consumption map of the Miller engine. …

Predictions of charge drift in a concept electrosprayed DISI engine

GCS Nhumaio, AP Watkins - 2006 - asmedigitalcollection.asme.org
… a cylinder of a motored axisymmetric model electrosprayed direct injection spark ignition (eDISI)
engine … A split/multiple injection strategy is employed in which three pulses of 5 mg each …

[PDF][PDF] New-Age Magneto-Rheological Fluid Mechatronic Commutator Prime Movers for Hybrid-Electric Vehicles

BT Fijalkowski - researchgate.net
… : parallel, series and split hybrids. The differences between … into the combustion chamber
through fuel injector that is then … Eight combustion-chamber engine cylinders in the housing …

CFD Prectictions of Electrohydrodynamics in Model DISI Engines

GCS Nhumaio, AP Watkins - 2007 - sae.org
… , the direct injection was aligned with the cylinder bore axis … As for the DISI engine technology,
where the split injection is … all the engine and electrostatic parameters were reactivated. …

Initial investigations into the benefits and challenges of eliminating port overlap in Wankel rotary engines

J Turner, M Turner, G Vorraro, T Thomas - SAE International Journal of …, 2020 - sae.org
… the place of three reciprocating engine cylinders. Therefore the … to many problems (including
direct fuel injection), but ultimately … before the spark and fuel were reactivated. The FMEP …

Exhaust Pressure Estimation Using a Diesel Particulate Filter Mass Flow Model in a Light-Duty Diesel Engine Operated With Dual-Loop Exhaust Gas Recirculation …

H Lee, M Han, J Sohn… - … of Engineering for …, 2014 - asmedigitalcollection.asme.org
… rail fuel injection system to improve combustion efficiency … the cylinder and the temperature
increase from the combustion … The HP-EGR system was reactivated after 34 s; simultaneously…

Holistic Evaluation of CO2 Saving Potentials for New Degrees of Freedom in SI Engine Process Control Based on Physical Simulations

T Wandschneider, K Wiege, W Gottschalk - 2018 - sae.org
… takes place before the cylinders are reactivated, to ensure … With the cycle-resolved degrees
of freedom - the injection quantity … will be split into intervals from one cylinder d eactivation (…

Comparative study and accommodation of biodiesel in diesel‐electric hybrid vehicles coupled with aftertreatment systems

J Zhao, P Chen, U Ibrahim, J Wang - Asian Journal of Control, 2016 - Wiley Online Library
… that splitting the fueling into multiple injections within a single … an eight-cylinder medium-duty
direct injection diesel engine as … of the cycle, the P2 is reactivated as shown in Fig. 14 when …