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The influence of camelina oil ester additive to diesel fuel on self - ignition angle in agricultural engine

Orliński P.

Journal of KONES

2013

Vol. 20, No. 2

323--328

The article presents the results of investigations referring to self-ignition delay angle determined experimentally and through simulations. It was done using charged agricultural Perkins 1104C-E44T engine powered by pure diesel fuel (ON) and fuel mixtures, such as: diesel fuel with 10% camelina oil ester additive (L10) and diesel fuel with 15% camelina oil ester additive (L15). Camelina oil ester was used to show that it can also be used as an additive plant to diesel fuel (according to the plans of the European Union). Similarly to on a large scale used ester of rapeseed oil. The main aim of the above mentioned research was to show the influence of the fuels on the change of self-ignition delay angle for different rotational velocity conditions of the engine and for maximum volumetric dose of ignited fuel. The research was performed using a dynamometer test stand equipped with measurement system of fast-changeable needle lift of injector and the pressures of working substance. Before starting the investigations, selected physicochemical properties of researched fuels were determined that significantly influence that parameter of the combustion process. At the end of the article the conclusion of experiments and simulations results referring to selfignition delay angle are analysed.