Development of Combined Silicon Plate Nozzles

Development of Combined Silicon Plate Nozzles

Exhaust emission and fuel consumption of a vehicle engine can be reduced by improving fuel atomization of an injection nozzle. Authors have already reported development of a new type of nozzle called Silicon Plate Nozzle (SPN) in order to improve fuel atomization by adopting micro-machining. This pa...

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Veröffentlicht in:JSME International Journal Series B Fluids and Thermal Engineering 2005, Vol.48(1), pp.99-105
Hauptverfasser: TANI, Yasuhide, INAGAKI, Hideto, SAITO, Akinori, SUZUKI, Takashi
Format: Artikel
Sprache:eng
Schlagworte:
Atomization
Fuel Injection
Gasoline Engine
Liquid Fuel
Nozzle
Silicon Plate Nozzle
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Zusammenfassung:Exhaust emission and fuel consumption of a vehicle engine can be reduced by improving fuel atomization of an injection nozzle. Authors have already reported development of a new type of nozzle called Silicon Plate Nozzle (SPN) in order to improve fuel atomization by adopting micro-machining. This paper discusses combination of two SPNs which resulted in drastic improvement of fuel atomization. By combining two SPNs so that each rectangular aperture crossed with other, the fan-like spray was obtained. As a result, obtained Sauter Mean Diameter (SMD) of the fuel spray was 50µ m or less at fuel pressure of 300kPa. This experimental results were confirmed by numerical analysis.
ISSN:1340-8054
1347-5371
DOI:10.1299/jsmeb.48.99