Organized Structure and Motion in Diesel Spray

Paper #:
  • 970641

Published:
  • 1997-02-24
Citation:
Dan, T., Takagishi, S., Senda, J., and Fujimoto, H., "Organized Structure and Motion in Diesel Spray," SAE Technical Paper 970641, 1997, https://doi.org/10.4271/970641.
Pages:
16
Abstract:
This paper deals with the particle distribution in Diesel spray under the non-evaporating condition from the analytical aspect based on our experimental results. In the analysis, TAB method of KIVA II code and the k-ε turbulent model were used, and the mono-disperse distribution of the initial parcel's diameter, whose size equals to the nozzle hole diameter, was utilized in conjunction with the breakup model. The size distribution of atomized droplets (i.e. the χ-squared distribution function) is justified with the degree of freedom. It is shown that the ambient gas, which is initially quiescent, is induced and led to a turbulent gas jet. The turbulent gas jet which has a equivalent momentum with the Diesel spray was also examined by Discrete Vortex method. The quantitative jet growth was shown to be possible for the estimation and determination in its initial boundary values at the nozzle.
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