抄録
The effect of injection rate modulation on the spatial dispersion of fuel droplets and inner structure of fuel spray were investigated by using an electronically controllable fuel injection system. The major experimental parameter was the modulation frequency and changed from 0Hz to 15kHz. From the experiments, it was confirmed that the shape of spray with injection rate modulation becomes wider at some frequencies, i.e., 5kHz, 7.5kHz and 13kHz in our experiments, and the reason of this phenomena was discussed briefly.
