Results 191 to 200 of about 767,390 (232)

Cytochrome P450 2C19 Genotypes and Clopidogrel in Patients With Ischemic Stroke: A Nonrandomized Clinical Trial.

open access: yesJAMA Netw Open
Jung YH   +16 more
europepmc   +1 more source

Turbocompounding the Opposed-Piston 2-Stroke Engine [PDF]

open access: yesSAE Technical Paper Series, 2021
This paper presents analytical research conducted into the level of fuel consumption improvement that can be expected from turbocompounding a medium-duty opposed-piston 2-stroke engine, which is part of a hybridized vehicle propulsion system. It draws on a successful earlier study which showed a non-compounded opposed-piston engine to be clearly ...
Young, Alex, Turner, Jamie, Head, Robert
core   +6 more sources

Diesel Engine 2-Stroke Breathing for Aftertreatment Warm-Up [PDF]

open access: possibleInternational Journal of Engine Research, 2021
Since the introduction of diesel urea SCR technology, aftertreatment thermal management has become critical for maintaining SCR catalyst light-off and thereby low cumulative cycle NOx emissions. A novel diesel engine aftertreatment thermal management strategy is proposed which utilizes a 2-stroke breathing variable value actuation strategy to increase
John L Foster   +6 more
openaire   +1 more source

CFD optimization of a 2-stroke range extender engine

International Journal of Automotive Technology, 2015
A very promising concept for small range extenders (peak power less than 40 kW) is represented by the 2-stroke, direct injection spark ignition engine, with scavenging and exhaust ports controlled by the piston, and an external pump. The most important issue to be addressed on this type of engines is the compliance with stringent rules on pollutant ...
MATTARELLI, Enrico   +2 more
openaire   +2 more sources

CFD Analyses on 2-Stroke High Speed Diesel Engines

SAE International Journal of Engines, 2011
In recent years, interest has been growing in the 2-Stroke Diesel cycle, coupled to high speed engines. One of the most promising applications is on light aircraft piston engines, typically designed to provide a top brake power of 100-200 HP with a relatively low weight.
MATTARELLI, Enrico   +2 more
openaire   +4 more sources

2-Stroke High Speed Diesel Engines for Light Aircraft

SAE International Journal of Engines, 2011
The paper describes a numerical study, supported by experiments, on light aircraft 2-Stroke Direct Injected Diesel engines, typically rated up to 110 kW (corresponding to about 150 imperial HP). The engines must be as light as possible and they are to be directly coupled to the propeller, without reduction drive. The ensuing main design constraints are:
MATTARELLI, Enrico   +2 more
openaire   +4 more sources

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