Modeling Analysis of Fuel Sprays

By: Professor Jiro SENDA, Assistant Professor Yoshimitsu KOBASHI

10 June 2014

Current engine development processes in which computations play an important role have sought for numerical models which can accurately represent phenomena in spray combustion. The authors have developed original sub-models taking into account the effects of extensive spray combustion phenomena including nozzle cavitation, droplet breakup behavior, multi-component evaporation process, spray-wall interaction, soot formation and so on. This paper describes authors’ models while accompanied by phenomenological descriptions and focusing on how to model the phenomena. In addition, the authors’ current work on model development for a model based calibration method is also introduced.

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