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Perspektywy przemian systemowych górnictwa i energetyki w świetle polityki klimatyczno-energetycznej Unii Europejskiej

Morawiecka M.

Energetyka – Społeczeństwo – Polityka

2017

nr 2(6)

7--22

While assessing the scope of and pace of transition of coal-dependent regions one should not only focus on regulatory developments but to a much bigger extent on technological progress that enables substantial cost reduction of alternative energy sources. The transition has to also take into acco unt macroeconomic and social impacts and choose the most rational path given geopolitical considerations. Jud-ging from other countries’ experience, transition away from coal in electricity gene-rations takes decades rather than years, and should be managed in a way that does not compromise the security of supply and consumer cost issues.

A study of combustion characteristics of emulsified vegetablelight oil in small diesel engine for reduction of emissions

Nakashima R., Kawakami T.

Silniki Spalinowe

2009

R. 48, SC2

254--257

Internal combustion engines are the major source of air pollution. Especially, compression ignition engines in today’s industrial and automotive general engines contribute the most to NOx, CO, particulate emission and soot, and it is recognized that these emissions have a detrimental effect on human and earth environment. So an improvement of spray combustion for diesel engines is of urgent necessity. From this point, experiments have been carried out to obtain the essential data on spray combustion influenced by blend fuel with emulsion in small diesel engine. The main conclusion are as follows: 1) The maximum burning pressure of blend oil with emulsion is smaller than that of light oil; 2) NOx emission of the blend oil with emulsion is smaller than that of light oil.