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Near Nozzle Diesel Spray Modeling and X-Ray Measurements
Technical Paper
2006-01-1390
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
In this paper the KH-RT and the CAB droplet breakup models are analyzed. The focus is on near nozzle spray simulation data that will be qualitatively compared with results obtained from x-ray experiments. Furthermore, the suitability of the x-ray method for spray studies is assessed and its importance for droplet breakup modeling is discussed. The simulations have been carried out with the Kiva3VRel2 CFD-code into which the KH-RT- and the CAB- droplet breakup models have been implemented. Since the x-ray method gives an integrated line-of-sight mass distribution of the spray, a suitable comparison of the experimental distributions and the simulated ones is made. Additionally, modeling aspects are discussed and the functioning of the models demonstrated by illustrating how the parcel Weber numbers and radii vary spatially. The transient nature of the phenomenon is highlighted and the influence of the breakup model parameters is discussed. As a result of this study both of the tested models have been noted useful in spray simulations.
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Citation
Vuorinen, V., Larmi, M., Antila, E., Kaario, O. et al., "Near Nozzle Diesel Spray Modeling and X-Ray Measurements," SAE Technical Paper 2006-01-1390, 2006, https://doi.org/10.4271/2006-01-1390.Also In
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