生物柴油高压共轨喷油规律与喷雾特性的试验研究  

Injection Rate and Spray Characteristics of Biodiesel in HP Common Rail System

作　　者：朱浩月[1] 王春海[1] 方俊华[1] 黄震[1] 

机构地区：[1]上海交通大学动力机械与工程教育部重点实验室,上海200240

出　　处：《内燃机工程》2013年第S1期1-4,共4页Chinese Internal Combustion Engine Engineering

基　　金：国家自然科学基金重点项目(50936004)

摘　　要：采用EFS瞬时燃油喷射测量仪和喷雾可视化系统研究了生物柴油在高压共轨系统下的喷油规律和喷雾特性。结果表明:生物柴油与柴油具有十分相似的喷油延迟、喷油速率曲线和体积循环喷油量。与柴油相比,生物柴油的黏度和表面张力大,其喷雾贯穿距离较长,喷雾锥角较小,喷雾较差。Injection rate and spray characteristics of biodiesel in HP common rail system were investigated using EFS mono injection quantifier and spray visualization system.It is found that injection delay,injection rate and volumetric cyclic injection quantity of biodiesel are the same as that of pure diesel,however,the biodiesel spray possesses longer penetration distance,smaller cone angle and worse atomization than pure diesel owing to its higher viscosity and surface tension.

关 键 词：内燃机 生物柴油 高压共轨 喷油规律 喷雾 

分 类 号：TK421.43[动力工程及工程热物理—动力机械及工程]