抄録
Fractal dimension analysis for wrinkled flame structure during early phase of flame development was conducted. The test engine was operated at various speeds and compression ratios. The empirical model expressing the growing nature of the fractal dimension was derived from the data set of the fractal dimensions in time-series over many cycles. The model constants were correlated with turbulence intensity, ambient pressure and the expansion ratio of unburned gas density to burned gas density.
