Viability of LPG use in low-power outboard engines for reduction in consumption and pollutant emissions
- Murillo, S. 1
- Míguez, J.L. 1
- Porteiro, J. 1
- Hernández, J.J. 2
- López-González, L.M. 3
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1
Universidade de Vigo
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2
Universidad de Castilla-La Mancha
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3
Universidad de La Rioja
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ISSN: 0363-907X
Année de publication: 2003
Volumen: 27
Número: 5
Pages: 467-480
Type: Article
D'autres publications dans: International Journal of Energy Research
Résumé
This study presents the viability of the use of liquified petroleum gases (LPG) dosage systems in order to solve the fuel supply in four-stroke outboard engines in compliance with regulations concerning emissions of immediate application pollutants. Results obtained show an important decrease in specific fuel consumption (nearly 20%) provoking a small power loss (about 5%), with an extra saving when making use of bottled fuel, which does not suffer spills in the bunkers and maintenance operations. Laboratory tests have been carried out on 8 and 15 HP Yamaha outboard engines, obtaining reductions in pollutants (CO, HC and NOx) of 60% and of 95% for each power, respectively. These trials have been contrasted with tests carried out in the Vigo estuary and the river Miño waterways, both located in the South of Galicia (Spain). © 2003 John Wiley & Sons, Ltd.