This paper describes how different timing and shape of the injection law can influence pollutant emission of a direct injection diesel engine. The study was carried out making use of a multizone thermodynamic model as regards the closed valve phase, and a filling-emptying one as regards the open valve phase. After being calibrated by comparison with experimental data, the abovementioned model was used for injection law optimization as regards minimum pollutant concentration (NO[sub x] and soot) in the exhaust gases with the smallest engine performance reduction possible.
Optimization of Injection Law for a D.I. Diesel Engine / Cantore, Giuseppe; M., Feola; P., Pelloni; G., Bella; P., Casoli; G., Toderi. - In: JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER. - ISSN 0742-4795. - STAMPA. - 114:(1992), pp. 544-552.
Optimization of Injection Law for a D.I. Diesel Engine
CANTORE, Giuseppe;
1992
Abstract
This paper describes how different timing and shape of the injection law can influence pollutant emission of a direct injection diesel engine. The study was carried out making use of a multizone thermodynamic model as regards the closed valve phase, and a filling-emptying one as regards the open valve phase. After being calibrated by comparison with experimental data, the abovementioned model was used for injection law optimization as regards minimum pollutant concentration (NO[sub x] and soot) in the exhaust gases with the smallest engine performance reduction possible.
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