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Computational Fluid Dynamics (CFD) study of light-duty automotive diesel engines affords invaluable insights into in-cylinder conditions and processes, which greatly expands on the very limited detail provided by engine-out measurements of exhaust emissions. For the simulation to be successful,...
Persistent link: https://www.econbiz.de/10011041233
concentration, particle number concentration and diesel thermal pyrolysis intermediates (olefins and benzene) are associated with …
Persistent link: https://www.econbiz.de/10011041364
Pollutant exhaust emissions, particularly NOx, produced by diesel engines must be reduced to limit values defined by the environmental regulations as the emissions have many harmful influences on the environment. Recently, the application of the Miller cycle into the internal combustion engines...
Persistent link: https://www.econbiz.de/10011116113
The application of the Miller cycle into the internal combustion engines is proposed to decrease NOx emissions, in the recent years. Another NOx control technique is the steam injection method (SIM). In this study, the application of these methods together into a single cylinder, direct...
Persistent link: https://www.econbiz.de/10011117626
A multi-dimensional computational fluid dynamics (CFD) modeling was conducted on a D.I. (Direct Injection) diesel engine fueled by bio-diesel based on KIVA4 code. Comprehensive chemistry prediction of bio-diesel fuel was taken into account by enhancing the combustion model of the default KIVA4...
Persistent link: https://www.econbiz.de/10011189997
Diesel engines are challenged to reduce their emissions. Nitrogen oxides (NOx), hydrocarbons, particulate matter and carbon dioxide are most important regulated diesel emissions. The legislation is driving for the use of renewable fuels in vehicles but all the impacts of those on emission...
Persistent link: https://www.econbiz.de/10011189998
Fossil fuels are the most imperative parameters to flourish the every sphere of modern civilization including industrial development, transportation, power generation and easing the accomplishment of works. The rapid increase in usage of fossil fuel has unavoidable deleterious effect on...
Persistent link: https://www.econbiz.de/10011190407
Diesel oxidation catalysts and diesel particulate filters are standard aftertreatment systems in Diesel engines which are traditionally placed downstream of the turbine. However, pre-turbo aftertreatment configurations are being approached as a way to improve the aftertreatment performance in...
Persistent link: https://www.econbiz.de/10011190864
This paper corresponds to the second part of a work devoted to analyse the impact of the pre-turbo aftertreatment configuration on the performance of a single stage turbocharged Diesel engine. This second part focuses on the analysis of the engine response under transient operating conditions....
Persistent link: https://www.econbiz.de/10011190900
The present study aims to numerically investigate the impacts of ethanol blend ratio together with advanced fuel injection timings on biodiesel’s performance, combustion and emission characteristics. Simulations were conducted using coupled KIVA–CHEMKIN code for neat biodiesel and its blend...
Persistent link: https://www.econbiz.de/10011208407