SAE Technical Paper Series 1999
DOI: 10.4271/1999-01-3549
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A Holistic Hydraulic and Spray Model – Liquid and Vapor Phase Penetration of Fuel Sprays in DI Diesel Engines

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Cited by 9 publications
(4 citation statements)
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“…In this sample, sprays are shown in two different regions: a dark area that apparently seems related to the liquid part of the spray, surrounded by a brighter region that apparently corresponds to the vapor phase. The part of the spray close to the nozzle exit is expected to present a continuous core of liquid fuel ,, or, at least, a droplet number density so high that rays crossing the spray would not be detectable. Moreover, the big difference between the refractive index of liquid fuel (around 1.46) and that of nitrogen (around 1) would cause a deflection of rays too strong to be detected.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…In this sample, sprays are shown in two different regions: a dark area that apparently seems related to the liquid part of the spray, surrounded by a brighter region that apparently corresponds to the vapor phase. The part of the spray close to the nozzle exit is expected to present a continuous core of liquid fuel ,, or, at least, a droplet number density so high that rays crossing the spray would not be detectable. Moreover, the big difference between the refractive index of liquid fuel (around 1.46) and that of nitrogen (around 1) would cause a deflection of rays too strong to be detected.…”
Section: Methodsmentioning
confidence: 99%
“…Most of the experimental techniques are used in combination with others that are complementary. In evaporative conditions, schlieren is normally used in combination with Mie scattering for liquid spray imaging. , These experimental techniques have been employed in the characterization of multi-hole ,,, and single-hole , nozzles. Other optical techniques are used to directly analyze the combustion process in the chamber. …”
Section: Introductionmentioning
confidence: 99%
“…Nozzle orifice diameter (d o ): the liquid length has a linear behaviour with the nozzle diameter. Liquid length penetration decreases to minimum values when the nozzle diameter is reduced to minimum values, in other words, a change in the diameter of the nozzle orifice results in a directly proportional change in the penetration of liquid length as recent research shows, (Siebers, 1998), (Verhoeven et al, 1998) and (Schmalzing et al, 1999). 4.…”
Section: The Relationship Between Length/nozzle Diameter (L O /D O ):mentioning
confidence: 99%
“…In a high-speed diesel spray, the visualization system by Miescattering technique and Schlieren/Mie-scattering technique can be used to characterize the liquid and vapor phase of the spray [14][15][16][17]. On the other hand, Gao et al [18] showed that the spray tip penetration and its behavior of ethanol-gasoline blends were visualized by means of high-speed Schlieren photography.…”
Section: Introductionmentioning
confidence: 98%