Experimental Investigation on Gasoline—Water Mixture Fuel Impingement Preparation Method and Spray Characteristics with High Injection Temperatures and Pressures

Gasoline–water mixed injections are of great interest because their advantages for reduced manufacturing costs and improved atomization, with the potential to alleviate engine detonation reduce emissions. In this work, based on principle impinging flow, a real-time gasoline–water mixture preparation system internal combustion engines was designed performance compared standard swirl mixing technique. An image processing method established quantify uniformity prepared mixture. Based flash-boiling spray experiment, characteristics different mixtures were analyzed under injection temperatures (30–160 °C) pressures (5–15 MPa). The experiments showed that pressure main factor affecting emulsification mixture, proposed could produce stable emulsion. For in 30–160 °C range, penetration distance first decreases then increases temperature, while angle shows an opposite trend. turning point corresponded each