Effect of nano air-bubbles mixed into gas oil on common-rail diesel engine

The nano air-bubbles mixed into gas oil are used for the energy saving and environmental load reduction of diesel engine. The nano air-bubbles were mixed into the fuel line continually by a super miniature ejector-type mixer (outer diameter: 20 mm, length: 34 mm) which can make nano and micro sizes....

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Bibliographic Details
Published in:	Energy (Oxford) Vol. 59; pp. 233 - 239
Main Authors:	Nakatake, Yasuhito, Kisu, Shintaro, Shigyo, Kenta, Eguchi, Toshihiko, Watanabe, Takashi
Format:	Journal Article
Language:	English
Published:	Kidlington Elsevier Ltd 15-09-2013 Elsevier
Subjects:	Applied sciences combustion Diesel engine diesel engines Energy energy conservation energy use and consumption Energy. Thermal use of fuels Engines and turbines Environmental pollutant Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc Exact sciences and technology fuels Liquid fuel mixing Nano bubble oils smoke Specific fuel consumption Diesel engine Liquid fuel Specific fuel consumption Environmental pollutant Nano bubble Common rail Bubble Nanoparticle Gas oil Direct injection
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Summary:	The nano air-bubbles mixed into gas oil are used for the energy saving and environmental load reduction of diesel engine. The nano air-bubbles were mixed into the fuel line continually by a super miniature ejector-type mixer (outer diameter: 20 mm, length: 34 mm) which can make nano and micro sizes. After the micro air-bubbles were separated with the nano air-bubbles in a mixing tank, diesel engine performance test with a common-rail injection system was experimented. The results showed that 3% reduction in break means specific fuel consumption, 1% rise in charging efficiency and a slight reduction in the density of exhaust smoke etc. These were caused by mixing the nano air-bubbles into gas oil. It is confirmed that the nano air-bubbles had advanced and activated combustion by a physical and chemical action. •The nano air-bubbles mixed into gas oil are used for the energy saving and emission reduction of diesel engine.•The nano air-bubbles were mixed into the fuel line continually by a super miniature ejector-type mixer.•Diesel engine performance test with a common-rail injection system was experimented.•The results showed that 3% reduction in break means specific fuel consumption.•It is confirmed that the nano air-bubbles had advanced and activated combustion by chemical action.
Bibliography:	http://dx.doi.org/10.1016/j.energy.2013.06.065 ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0360-5442
DOI:	10.1016/j.energy.2013.06.065