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The injection process is one of the relevant phenomena occurring in modern diesel engine considering also that the fuel properties have been continuously changing. The interaction mechanisms between fuel quality, engine technologies, and emissions need to be understood to find the most effective approach towards innovative combustion strategies and low-emission diesel engines. In this work, the injection...
Alternative diesel fuels for internal combustion engines have grown significantly in interest in the last decade. This is due to the potential benefits in pollutant emissions and particulate matter reduction. Nevertheless at possible increase in nitrogen oxide (NOx), and almost certainly increase of fuel consumption have been observed.In this paper, mineral diesel and RME (rapeseed methyl ester) fuels...
The exhaust gases emitted from automobiles are one of the major sources of pollution in urban centers. Big efforts have been made to meet the strict regulations they are subjected to. However, further development of the automotive engine is necessary to meet future challenges. Recently, thermography has proved to be a powerful tool to deepen the knowledge about the chemical and physical processes...
In the present paper, (infrared) IR measurements were performed in order to study the behaviour of biofuels combustion in a transparent Euro 5 diesel engine operating in premixed mode. (Commercial diesel fuel) REF, (Gas To Liquid) GTL and (Rapeseed Methyl Ester) RME biofuels have been used. An elongated single-cylinder transparent engine equipped with the multi-cylinder head of commercial passenger...
Potential improvement on exhaust emissions, biodegradability and the possibility to reduce dependence on fossil fuel resources has led to an increasing interest on the use of biofuels for transport application. In this work, the analysis of the spray behaviour of first and second generation biodiesel in a Euro 5, common rail transparent diesel engine has been performed. GTL, SME and RME fuels have...
Noise over-stimulation will induce or influence molecular pathways in the cochlea; one approach to the identification of the components of these pathways in the cochlea is to examine genes and proteins that change following different types and levels of stress. Quantitative reverse transcription polymerase chain reaction provides a method to look at differential expression of genes in the acoustic...
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