Results 131 to 140 of about 12,012 (276)

Homogeneous Lean Combustion in a 2lt Gasoline Direct Injected Engine with an Enhanced Turbo Charging System

open access: yes, 2018
In the quest for a highly efficient, low emission and affordable source of passenger car propulsion system, meeting future demands for sustainable mobility, the concept of homogeneous lean combustion (HLC) in a spark ignited (SI) multi-cylinder engine ...
Koopmans, Lucien   +8 more
core   +1 more source

Making Mining Licit: Gold, Commodification, and the Everyday Performance of Law in Colombia

open access: yesAmerican Anthropologist, EarlyView.
ABSTRACT Ethnographies of resource‐making have shown that the extraction of resource value from objects is premised on obviating the emplaced lifeworlds that surrounded objects before they traveled to consumer markets. Much of this literature looks at such supply‐chain disentanglement from the viewpoint of corporate and formal regulatory practices ...
Jesse Jonkman
wiley   +1 more source

Study of the Performance and Smoke Density When Gasoline–Diesel Blends Are Used as Fuel of a Diesel Engine

open access: yesJournal of Engineering
The world is currently facing a serious environmental crisis, partly driven by the pollutant emissions from diesel engines. Although these engines are known for their efficiency, their emission levels are highly dependent on fuel quality.
L. F. Mónico, O. Venegas
doaj   +1 more source

Collective Knowledge on Aviation Gasolines

open access: yes, 2011
The problem being faced is that there exists little data in a collective location surrounding aviation gasolines. In recent years it has been observed that most involved in the general aviation community are unaware of efforts and solutions underway to ...
Ziulkowski, Jonathon David
core   +1 more source

Numerical investigations on hydrogen-enhanced combustion in ultra-lean gasoline spark-ignition engines

open access: yes, 2019
International audiencePerformance of lean burn gasoline spark-ignition engines can be enhanced through hydrogen supplementation. Thanks to its physicochemi-cal properties, hydrogen supports the flame propagation and extends the dilution limits with ...
Matrat, Mickaël   +2 more
core   +1 more source

Load factor evaluation and emissions calculation for the cultivator under real working conditions

open access: yesJournal of Agriculture and Food Research
Currently, emission management for agricultural machinery in South Korea only targets diesel engines, leading to insufficient management of gasoline engines.
Si-Eon Lee   +5 more
doaj   +1 more source

Optimal Hedging Strategies in the Low‐Sulphur Bunker Fuel Landscape

open access: yesEuropean Financial Management, EarlyView.
ABSTRACT The IMO2020 regulation for the green transition in shipping turned the industry into using two compliant bunker fuels: very low‐sulphur fuel oil (VLSFO) and low‐sulphur marine gas oil (LSMGO). VLSFO futures contracts introduced in late 2019 and other energy‐related futures contracts indicate that the VLSFO contracts trading on the Singapore ...
Xiwen Bai   +2 more
wiley   +1 more source

Investigation on Knocking Combustion with Reaction Kinetics for a Turbocharged SIDI Engine

open access: yes, 2013
For highly boosted gasoline engines with direct injection (DI) the high-load operating conditions with lowest fuel consumption are restricted by irregular combustion like knocking.
Heiß, Michael   +4 more
core  

Demonstration of a High‐Resolution Passive Profiler for Characterizing the Distribution of PFAS in Groundwater: A Comparison of Methods in the Field

open access: yesGroundwater Monitoring &Remediation, EarlyView.
Abstract Characterizing the concentration and mass flux spatial distributions at sites with complex hydrogeologic conditions is critical to evaluate the fate and transport of contaminants, as well as to design effective remediation programs. PFAS (per‐ and polyfluoroalkyl substances)‐contaminated sites are even more complex due to the large number of ...
Morgan Eldridge   +8 more
wiley   +1 more source

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