航空发动机滑油系统全流量在线磨粒静电监测方法现状分析 Status Analysis of the Method for the Aviation Engine Oil-Line Debris Electrostatic Monitoring

综述了目前国内外全流量在线磨粒静电监测技术现状，介绍了全流量在线磨粒静电监测方法。针对目前滑油系统全流量磨粒在线静电监测模拟实验荷电机理之一摩擦荷电原理，指出了摩擦荷电的关键性问题。针对国内目前滑油系统全流量静电监测技术模拟实验方法存在的优缺点，指出了如何自动控制颗粒流速是实验模拟的关键问题，最后，进一步明确了滑油系统全流量在线磨粒静电监测方法现状。 The paper summarizes the current situation of the oil-line debris electrostatic monitoring tech-nology and introduces the method about the oil-line debris electrostatic monitoring. Aiming at the friction charging mechanism of the oil-line debris electrostatic monitoring, it pointed out the key problem of friction charging. In view of the advantages and disadvantages of the present experimental method for oil-line debris electrostatic monitoring, it is pointed out that the key problem of the experimental simulation is how to automatically control the particle velocity. At last, the actuality of the oil-line debris electrostatic monitoring has been further clarified.