Abstract
The purpose of this study is to evaluate effect of fuel ignitability and volatility on spray and combustion characteristic. The fuel is paraffinic that is imitated with Fischer-Tropsch Diesel Fuel (FTD). The spray characteristics of the fuel were investigated taken by shadowgraph photography and Mie-scattered light imaging. The combustion characteristics of the fuel were evaluated taken by direct photography. The two experiments were performed with a constant volume combustion vessel. Two major results were obtained in these experiments. First, the fuel volatility and kinetic viscosity affect liquid phase penetration. Second, the fuel ignitability and volatility affect soot formation.
