High power output, four stroke, motorcycle engines are characterised by specific power levels well beyond 150 HPllitre also in production engines. These power levels are obtained through extremely high values of volumetric efficiencies in tbe range of high engine speed, resulting from highly optimised gas exchange processes. In the present paper, a four cylinder, four valve per cylinder engine with a four-in-one exhaust is optimised for volumetric efficiencies by using state-of-the-artcomputational methods. These computational metbods include stati c three dimensional computations as well as dynamic one and three dimensional computations. The engine geornetric and operating parameters optimised by using these computations agree fairly well with those optimised by using experiments, thus demonstrating the effectiveness of the proposed computational practice.
Numerical Study of Volumetric Efficiencies in a High Speed, Four Valve, Four Cylinder, Spark Ignition Engine / A. A., Boretti; Borghi, Massimo; Cantore, Giuseppe. - STAMPA. - II - Engines and Drivetrains(1994), pp. 241-252. ((Intervento presentato al convegno 1994 Motor Sports Engineering Conference tenutosi a Dearbon, Michigan nel 5-8 Dicembre.
Data di pubblicazione: | 1994 | |
Titolo: | Numerical Study of Volumetric Efficiencies in a High Speed, Four Valve, Four Cylinder, Spark Ignition Engine | |
Autore/i: | A. A., Boretti; Borghi, Massimo; Cantore, Giuseppe | |
Autore/i UNIMORE: | ||
Codice identificativo Scopus: | 2-s2.0-85072439339 | |
Nome del convegno: | 1994 Motor Sports Engineering Conference | |
Luogo del convegno: | Dearbon, Michigan | |
Data del convegno: | 5-8 Dicembre | |
Volume: | II - Engines and Drivetrains | |
Pagina iniziale: | 241 | |
Pagina finale: | 252 | |
Citazione: | Numerical Study of Volumetric Efficiencies in a High Speed, Four Valve, Four Cylinder, Spark Ignition Engine / A. A., Boretti; Borghi, Massimo; Cantore, Giuseppe. - STAMPA. - II - Engines and Drivetrains(1994), pp. 241-252. ((Intervento presentato al convegno 1994 Motor Sports Engineering Conference tenutosi a Dearbon, Michigan nel 5-8 Dicembre. | |
Tipologia | Relazione in Atti di Convegno |
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