Natural gas represents today maybe the most valid alternative to conventional fuels for road vehicles propulsion. The main constituent of natural gas, methane, is characterized by a high autoignition temperature, which makes the fuel highly resistant to knocking: this allows a considerable downsizing of the engine by means of supercharging even under high compression ratio. Starting from these considerations, the authors realized a thermodynamic model of a 4-cilynder s.i. engine for the prevision of in-cylinder pressure, employing a two-zone approach for the combustion and adding sub-models to account for gas properties change and knocking occurrence. An extensive experimental campaign has been carried out on the test bed, equipped with a naturally aspirated bi-fuel s.i. engine (i.e. an engine which can run either with gasoline or with compressed natural gas), so as to set the model constants to the best matching values. Hence the model has been modified adding a turbocharger sub-model, thus allowing a prevision of the power and fuel consumption attainable by the same CNG engine when turbocharged.
Pipitone, E., Cagnes, F., & Beccari, A. (2008). Performance Prevision of a Turbocharged Natural Gas Fuelled S.I. Engine. In 17th Congresso e Exposicao Internacionais da Tecnologia da Mobilidade; (pp.1-11). SAE International.
Autori: | Pipitone, E.; Cagnes, F.; Beccari, A. |
Titolo: | Performance Prevision of a Turbocharged Natural Gas Fuelled S.I. Engine |
Settore Scientifico Disciplinare: | Settore ING-IND/08 - Macchine A Fluido |
Data di creazione: | 2008 |
Nome del convegno: | 17th Congresso e Exposicao Internacionais da Tecnologia da Mobilidade; |
Luogo del convegno: | Sao Paulo, Brazil; |
Anno del convegno: | 7 October 2008 through 9 October 2008 |
Data di concessione: | 2008 |
Data di pubblicazione: | 2008 |
Formato: | Online |
Numero di pagine: | 12 |
Digital Object Identifier (DOI): | http://dx.doi.org/10.4271/2008-36-0058 |
URL: | http://papers.sae.org/2008-36-0058/ |
Citazione: | Pipitone, E., Cagnes, F., & Beccari, A. (2008). Performance Prevision of a Turbocharged Natural Gas Fuelled S.I. Engine. In 17th Congresso e Exposicao Internacionais da Tecnologia da Mobilidade; (pp.1-11). SAE International. |
Tipologia: | 0 - Proceedings (TIPOLOGIA NON ATTIVA) |
Appare nelle tipologie: |
File in questo prodotto:
File | Descrizione | Tipologia | Licenza | |
---|---|---|---|---|
SAE 2008-36-0058.pdf | N/A | Administrator Richiedi una copia |