LES of non-evaporative diesel spray have been performed to investigate the effects of breakup models of Modified TAB, WAVE and KHRT model on computational results. KIVALES that is LES version of KIVA code was used for base code. In our KIVALES, CIP scheme was incorporated in order to suppress the numerical diffusion. Results showed that the breakup model is significantly affected on the calculated spray shape, because the droplet diameter determined by breakup models affects on the transmittance of the droplet momentum into the ambient gas, the evolution of the vortex structure in the gas phase and the droplet dispersion by the vortex structure.
Effect of Breakup Model on Diesel Spray Structure Simulated by Large Eddy Simulation
Sae Technical Papers
9th International Conference on Engines and Vehicles ; 2009
13.09.2009
Aufsatz (Konferenz)
Englisch
Effect of breakup model on large-eddy simulation of diesel spray evolution under high back pressures
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