The results show that,at the same ambient pressure and nozzle hole diameter,the spray angle increases and spray tip penetration decreases with the increase of DMM fraction in the blends.

• 研究结果表明,在相同环境压力和喷嘴直径下,随着燃料中二甲氧基甲烷掺混比例的增加,喷雾锥角增大,贯穿距离减小;环境压力的增加使得燃油喷雾锥角增大,贯穿距离度减小。