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[PDF] Top 20 Characterization of the combustion process and cycle to cycle variations in a spark ignition engine fuelled with natural gas/hydrogen mixtures

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Characterization of the combustion process and cycle to cycle variations in a spark ignition engine fuelled with natural gas/hydrogen mixtures

Characterization of the combustion process and cycle to cycle variations in a spark ignition engine fuelled with natural gas/hydrogen mixtures

... variations with the increment of the fuel/air equivalence ratio, because combustion rate increases with rich mixtures, resulting in a rapid combustion ... See full document

11

Study of the cycle-to-cycle variations of an internal combustion engine fuelled with natural gas/hydrogen blends from the diagnosis of combustion pressure

Study of the cycle-to-cycle variations of an internal combustion engine fuelled with natural gas/hydrogen blends from the diagnosis of combustion pressure

... speed and accuracy of the algorithm were analised in the context of this paper, by generating a pressure trace with a predictive model and then applying the ... See full document

11

Author's personal copy On cycle-to-cycle heat release variations in a simulated spark ignition heat engine

Author's personal copy On cycle-to-cycle heat release variations in a simulated spark ignition heat engine

... Litak and coworkers [10,22,23] have reported extensive work relative to cycle-to-cycle variations of peak pressure, peak pressure location and heat release ... See full document

12

Characterization of cycle to cycle variations in a natural gas spark ignition engine

Characterization of cycle to cycle variations in a natural gas spark ignition engine

... Because of concerns for the environment protection and energy shortages, much effort has been concentrated on the utilization of alternative fuels in internal combustion ... See full document

10

Simulation of an Integrated Gasification Combined Cycle with Chemical-Looping Combustion and CO2 sequestration

Simulation of an Integrated Gasification Combined Cycle with Chemical-Looping Combustion and CO2 sequestration

... able to take sufficient heat from the exhaust gas streams outgoing the ...effect. The outlet temperature of the compressors will also increase with pressure ...are ... See full document

15

Modeling and design of ring oscillators and their application in radiation environments

Modeling and design of ring oscillators and their application in radiation environments

... are the key block of many electronic systems. They are used to perform count- less different operations such as clock for digital circuits, synchronization of communication systems or radio ... See full document

202

Diseño de una pieza adecuada a la integración del robot colaborativo en una línea de ensamblaje

Diseño de una pieza adecuada a la integración del robot colaborativo en una línea de ensamblaje

... created in a workplace to facilitate the ...involved in a sequence of processing a natural flow of products and grouping them close to each other, different ... See full document

44

An Integrated Environment for Learning Design

An Integrated Environment for Learning Design

... practitioners in their task of creating more innovative and effective computer-supported learning ...myriad of proposed tools, their use presents challenges that recent studies link ... See full document

19

Solar and interplanetary triggers of the largest Dst variations of solar cycle 23

Solar and interplanetary triggers of the largest Dst variations of solar cycle 23

... close to the central solar meridian and next to the active region related to the CMEs... The large hourly Dst variation took place between 21 UT and 22 UT on September 17.[r] ... See full document

41

TítuloMethodology to Calculate the Costs of a Floating Offshore Renewable Energy Farm

TítuloMethodology to Calculate the Costs of a Floating Offshore Renewable Energy Farm

... stage of development, with a reduced number of full scale grid connected projects ...hampers the assessment of project feasibility in the sector with an adequate ... See full document

27

Forage potential of black oat Iapar 61 alone or in association with birdsfoot trefoil

Forage potential of black oat Iapar 61 alone or in association with birdsfoot trefoil

... We observed a higher mean DM in the second cycle of growth compared with the other cycle; however, the DM production of a single oat in the conventional tillage exceeded the mean yie[r] ... See full document

12

Fire in residence in the City of Recife: An experimental study

Fire in residence in the City of Recife: An experimental study

... reproduction of one of the Modal Building’s bedroom in an experimental environment in a a room of the Pernambuco Fire Department training facility, built in ... See full document

16

Building Ontologies at the Knowledge Level using the Ontology Design Environment

Building Ontologies at the Knowledge Level using the Ontology Design Environment

... at the knowledge level using the set of intermediate representations (Gómez-Pérez, Fernández & de Vicente 1996) proposed by METHONTOLOGY (Fernández, Gómez-Pérez & Juristo 1997; and ... See full document

16

The effects of temperature on the gas exchange cycle in Agathemera crassa

The effects of temperature on the gas exchange cycle in Agathemera crassa

... tested the effect of ambient temperature on the appear- ance of different gas exchange patterns in Agathemera crassa ...Thus with an increase in temperature, it is ... See full document

5

Autoignition of nonuniform mixtures in chambers of variable volume

Autoignition of nonuniform mixtures in chambers of variable volume

... This analysis has provided a way to obtain the ignition time in CI combustion and has indicated that, after ignition at one or several hot spots, there is a stage in which the chamber [r] ... See full document

19

Study of the hydrogen production step of the Mn2O3/MnO thermochemical cycle

Study of the hydrogen production step of the Mn2O3/MnO thermochemical cycle

... Summarizing, the hydrogen production following the manganese oxide thermochemical cycle involves a chemical reaction between MnO and NaOH, a number of physical processes (heat ... See full document

21

Features of the annual evolution of CO2 and CH4 in the atmosphere of a Mediterranean climate site studied using a nonparametric and a harmonic function

Features of the annual evolution of CO2 and CH4 in the atmosphere of a Mediterranean climate site studied using a nonparametric and a harmonic function

... minute and were recorded at three levels; ...frequent in micrometeorology, and were selected to investigate the behaviour of both gases close to the ground ...level ... See full document

9

Student-teachers’ written reports about their own learning processes from lesson study

Student-teachers’ written reports about their own learning processes from lesson study

... on the Official Masters Programme for Secondary School Teachers. The lesson study model in Valencia (Spain) was developed and adapted based on the Norwegian lesson study model designed ... See full document

15

From inocula to biological reactors: molecular characterization of N-cycle bacterial assemblages in a PANAMMOX process

From inocula to biological reactors: molecular characterization of N-cycle bacterial assemblages in a PANAMMOX process

... presence in most of the anammox sludge, although most of the members of the phylum Chlorobi are obligatory photoautrotophic bacteria (Frigaard and Bryant, ...So, ... See full document

250

How Methodology Affects Students’ Oral Production Skills

How Methodology Affects Students’ Oral Production Skills

... skills in a meaningful way is one of the founding premises on which ESP was ...According to Laborda and Litzler (2015), ESP was created to help teach people who are actively ... See full document

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