直升机液压系统油液污染控制系统建模与分析  

Oil Contamination Control Modeling and Optimizationfor Helicopter Hydraulic System

作　　者：刘钦榛 鲍嘉枫 LIU Qinzhen;BAO Jiafeng(China Helicopter Research and Development Institute,Jingdezhen 333001,China)

机构地区：[1]中国直升机设计研究所,江西景德镇333001

出　　处：《直升机技术》2023年第2期27-32,38,共7页Helicopter Technique

摘　　要：液压系统具有运动平稳、操作控制方便、单位功率质量轻等特点,是直升机上重要的能量传递系统,其可靠运行对于保证直升机操纵能力至关重要。事实表明,液压元件的工作可靠性与油液的污染程度密切相关。因此,研究液压系统油液污染控制技术,提高液压系统可靠性,对于提升直升机的可靠性和安全性具有重要意义。阐述了液压系统油液污染的来源、种类及危害;通过分析油液及其内部包含的污染颗粒在系统内的传递扩散方式,建立了直升机液压系统油液污染控制模型,分析了模型中各因素对油液污染控制的影响。结果表明:合理减小油箱体积能够加快油液的净化速率;控制液压系统初始污染物浓度,能够提升系统寿命;需要根据系统污染侵入速率、生成速率、过滤器过滤比确定系统目标清洁度要求。The hydraulic system,which has the characteristics of stable movement,convenient operation and control,light weight per unit power,etc.,is an important energy transmission system of helicopter,and the condition of hydraulic system is essential to ensure the handling capability of helicopter.It is showed that the reliability of hydraulic system is closely related to the oil contamination.Therefore,exploring hydraulic system oil contamination technology and improving the reliability of hydraulic system,which is significant to the reliability and safety of the helicopter.In this paper,the sources,types and hazards of oil contamination in hydraulic system were discussed.By analyzing the transmission and diffusion of the contamination in the hydraulic oil,an oil contamination control model for helicopter hydraulic system was established.Moreover,the influence of each parameter in this model on oil contamination control was analyzed.The results showed reasonably reduce the volume of the fuel tank could speed up the purification rate of the oil,reducing the initial contamination concentration of the system oil could increase the lifetime of hydraulic system,and it was necessary to determine the objective cleanliness of the system oil according to the system contamination intrusion rate,generation rate and filter filtration ratio.

关 键 词：直升机液压系统 油液污染控制 优化设计 

分 类 号：V233.91[航空宇航科学与技术—航空宇航推进理论与工程] V245.1