主要介绍了用长管法和闪光摄影研究伞喷嘴喷油过程和喷雾特性 ,并简介了测试装置的结构和工作原理。

• The investigative results of fuel injection process and spray characteristics of umbrella nozzle using Bosch long tube method and stroboscopic photography respectively are reported, and the structure and working principle of the measuring apparatus are sketched out.