Internal Combustion Engines
Fuel Cells: A Real Option for Unmanned Aerial Vehicles Propulsion
... with internal combustion engines, but they are best suited for long flight time in all regimes (including ...piston engines in airships have lubrication problems ...over combustion ...
13
A world overview of organic Rankine cycle as waste heat recovery alternative
... with internal combustion engines with exhaust gases at medium temperature (230°C to 650°C), such as the economy of scale of the process, the skepticism of some of the plant managers when integrating ...
8
Feasibility study of hydrogen fueled internal combustion hybrid bus operating under real traffic urban conditions in Buenos Aires, Argentina
... different combustion chamber ...fueled internal combustion engines normally operate under λ > ...similar combustion duration as with other ...
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Study of the cycle-to-cycle variations of an internal combustion engine fuelled with natural gas/hydrogen blends from the diagnosis of combustion pressure
... decreased with the increase of hydrogen fraction in the fuel mixtures. Ma et al. [12] conducted an experimental work to investigate the effects of hydrogen addition on the combus- tion behaviour and cycle-by-cycle ...
11
Characterization of cycle to cycle variations in a natural gas spark ignition engine
... in internal combustion engines ...NG combustion produces lower emis- sion than that of conventional fuels because the chemical structure of NG is less complex, together with the non-existence ...
10
Features of optical phenomena connected with the launches of solid propellant ballistic rockets
... Optical effects in the upper atmosphere that accompany the launches of liquid and solid propellant missiles are very similar, since both are associated with the release of combustion products and their interaction ...
5
Analysis of documentary and terminological needs of doctors and medical translators as a basis for the development of a next generation multilingual dictionary
... In conclusion, a medical next-generation dictionary should satisfy the needs of a user in an ‘extra-information tool’ situation (Bergenholtz and Bothma, 2011: 61-65): a cognitive situation, a communicative situation, an ...
23
Energy and Exergy analysis of a light duty diesel engine operating at different altitudes
... controlled combustion phases, respectively. Pre- mixed-combustion phase is signiicantly more irreversible than the diffusion phase because of the rapid reactions that take place in the ...rapid- ...
10
Liquid monopropellants and liqued-fuel rocket engines
... In general, results tend rapidly toward their asymptotic values. However, for small droplets or at low pressure, important errors may be in- troduced by assuming that the reaction rate is infinitely fast. For example, ...
22
Nonlinear stability of solid propellant combustion
... length and response time become large compared to the thickness of the transport zone in the solid and the residence time in this zone, respectively. Three different time scales are found from the linear stability ...
21
Theory of gaseous combustion
... Two basic assumptions have been made in writing (1.5). The first concerns the transport properties of the reactive mixture where it has been assumed that the binary Fick law holds. This is well verified when the mixture ...
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Estimando proyectos grandes y complejos = Estimating large complex projects
... projects have been identified through a large number of studies and research projects. The factors driving underestimation of project costs can be divided by project development phases: planning, and execution. As ...
8
ANALYTICAL SOLUTION FOR THE DROPLET COMBUSTION IN PREMIXED FLAME REGIME
... The present work presents an analytical model for the combustion of droplets in the premixed-flame regime. In the premixed-flame regime either fuel or oxidizer leaks through the flame sheet. In the present model, ...
6
A parallel view for search engines
... Search engines index tens to hundreds of millions of web pages involving a comparable number of distinct ...search engines on the Web, very little academic research has been done on ...
11
Evaluation of a PCCI combustion in euro VI diesel engines
... In engines, flame reaction zone remains extremely thin, as the combustion pressure is very ...the combustion process, are compressed to a higher temperature than they reached just after the ...
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Detección temprana de fallas en motores de combustión interna a diesel mediante la técnica de análisis de aceite / The use of using oil analysis for early detection of faults in diesel internal combustion engines
... This study deals with the analysis of oil from a diesel internal combustion engine of a vehicle as a tool to predict maintenance needs based on its condition. The control of the main parameters of oil help ...
12
Acoustic signature of two Spanish oceanographic ships
... Despite wide variations in the use of individual machines there are two principal configurations: diesel /gearbox /CPP and Diesel-electric. With the first configuration it is normal to have an engine driving a gearbox ...
5
Evaluation of oxyfuel technology as CO2 capture option in coal combustion
... The general design criteria of El Bierzo Test Facility has the following main characteristics: modularity: layout as independent but interconnected modules (combustion, oxy-combustion, flue gas treatment…) ...
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