Effect of Experimental Variables on the Combustion Characteristics of Water-in-Diesel Emulsion Fuels

Water-in-diesel (W/D) emulsion fuels were prepared through an ultrasonic processor by using high energy emulsification method. Accordingly, the physical and chemical properties were analyzed. A decrease in viscosity was found in the emulsion fuel in contrast to the neat diesel which signifies the en...

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Bibliographic Details
Published in:Journal of dispersion science and technology 2014-02, Vol.35 (2), p.185-192
Main Authors: Bidita, B. S., Aien, N., Suraya, A. R., Mohd Salleh, M. A., Idris, A.
Format: Article
Language:English
Subjects:
Chemistry
Colloidal state and disperse state
Combustion
Combustion characteristics
Diesel
Diesel fuels
Emulsification
Emulsions
Emulsions. Microemulsions. Foams
Energy efficiency
environment
Exact sciences and technology
fuel efficiency
Fuels
General and physical chemistry
Internal combustion engines
surfactant
Surfactants
Viscosity
water-in-diesel emulsion
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Summary:Water-in-diesel (W/D) emulsion fuels were prepared through an ultrasonic processor by using high energy emulsification method. Accordingly, the physical and chemical properties were analyzed. A decrease in viscosity was found in the emulsion fuel in contrast to the neat diesel which signifies the enhanced fluidity of the fuel. The emulsion fuel was then used to carry combustion tests in an internal combustion engine. A decrease in exhaust temperature was observed when a high surfactant to water ratio was used, which lead to minimal heat loss. As water is emulsified with diesel, effectiveness of combustion is improved rather than neat diesel fuel. It was also explored that the addition of water-in-diesel is influential in terms of reduction in exhaust gas emission such as carbon dioxide, carbon monoxide, ammonia from the internal combustion engine. Therefore, this type of emulsion fuel would be a useful contribution in the fuel economy, but also in making it environmentally friendly since diesel fuel is now considered one of the leading fuels causing ecological contamination.
ISSN:0193-2691
1532-2351
DOI:10.1080/01932691.2013.780241