The Impact of Injector Hole Diameter on Spray Behaviour for Butanol-Diesel Blends

摘要: Optimising the combustion process in compression ignition (CI) engines is of interest current research as a potential means to reduce fuel consumption and emission levels. Combustion optimisation can be achieved result understanding relationship between spraying technique characteristics. Understanding macroscopic characteristics spray an important step predicting behaviour. This study investigates impact injector hole diameter on (spray penetration, cone angle, volume) butanol-diesel blends. In study, Bosch (0.18 mm diameter) Delphi (0.198 mm) were used. Spray tests carried out constant volume vessel (CVV) under different injection conditions. The test blends injected using solenoid with common rail system images captured high-speed camera. experimental results showed that penetration (S) was increased larger diameter. 20% butanol-80% diesel blend slightly further than neat diesel. all fuels pressure (IP), while angle (θ) widened due increase either or pressure. Thus, efficient engine performance controlling characteristics, especially when promising additive like butanol blended