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Optical studies of ...
Optical studies of spray development and combustion of water-in-diesel emulsion and microemulsion fuels
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- Lif, Anna, 1962 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Lima Ochoterena, Raul, 1978 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Nydén, Magnus, 1970 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Andersson, Sven B, 1952 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Denbratt, Ingemar, 1951 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- Elsevier BV, 2010
- 2010
- English.
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In: Fuel. - : Elsevier BV. - 0016-2361. ; 89:1, s. 122-132
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Abstract
Subject headings
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- Physical properties, spray behaviour and combustion characteristics of a water-in-diesel emulsion, a water-in-diesel microemulsion and a conventional diesel fuel were investigated. The size of the drops, in the water-containing fuels, was measured by NMR diffusometry. Spray development and combustion were studied by optical methods in an optically accessed combustion vessel at conditions similar to those in a diesel engine. High speed shadowgraphs were employed to measure break-up, droplets penetration, vapour penetration and start of combustion. Combustion duration, flame temperature and relative soot concentration were determined by emission-based methods. Differences in spray behaviour suggest an enhanced atomisation for the water-containing fuels compared to regular diesel fuel. Moreover, reduced soot concentrations and flame temperature with increased combustion duration were noticed for the water-in-diesel fuels than for the regular diesel fuel.
Subject headings
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Keyword
- Spray behaviour
- Water-in-diesel emulsion
- Spray combustion
Publication and Content Type
- art (subject category)
- ref (subject category)
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