以某型航空发动机作为研究平台,通过对发动机起动工作过程和起动供油调节分析,研究了地面平原起动供油和高原起动供油关系.在兼顾了空中起动的基础上,提出了在高原环境下的起动供油控制规律:调整改变自动起动器和起动放气嘴.以发动机在平原地区机场起动调整方法为基础,得到了在高原机场起动调整方法,并在高原机场试验验证中取得满意结果,解决了发动机在高原进气气压低,合氧量较少,温度较高,一系列恶劣的进气条件下起动中热悬挂、冷悬挂、起动失速等起动极限问题,可为其他型号发动机的高原起动借鉴.
The serious effect of fuel fouling on aircraft and aeroengine were pointed out by analyzing the approach,method and mechanism of the fuel fouling.The control and design technologies of the aeroengine fuel system antifouling were proposed.The requirement and development trend of antifouling on the future aeroengine fuel system were discussed.
The methods of the shell oilway design,check,assembly application and the design specification of aeroengine Hydraulic System Actuator by using UG were introduced.