大口径压力调节装置特性仿真分析方法研究  

Research on simulating method for evaluating regulating characteristics of large-diameter pressure control device

作　　者：赵伟 万世华 但志宏 林哲[3] ZHAO Wei;WAN Shi-hua;DAN Zhi-hong;LIN Zhe(Science and Technology on Altitude Simulation Laboratory,Mianyang 621000,China;AECC Sichuan Gas Turbine Establishment,Mianyang 621000,China;Zhejiang Sci-Tech University,Hangzhou 310018,China)

机构地区：[1]高空模拟技术重点实验室,四川绵阳621000 [2]中国航发四川燃气涡轮研究院,四川绵阳621000 [3]浙江理工大学,杭州310018

出　　处：《燃气涡轮试验与研究》2021年第5期56-62,共7页Gas Turbine Experiment and Research

摘　　要：针对高空舱压力模拟系统拟使用的大口径双瓣液动调节装置在压力条件模拟过程中的调节能力、动态调节特性及内部流场分布特点进行了仿真评估。构建了该压力模拟系统的仿真模型,在Matlab/Simulink仿真环境下研究了大口径双瓣液动调节装置在发动机稳态与推力瞬变试验中的工作效果,并使用Solidworks对调节装置的内部流场分布特性进行了分析。结果表明:仿真环境下,调节装置的调节能力、动态调节特性等可满足大容腔宽范围流量压力模拟系统主要试验对象的调节需求。分析过程中形成的系统仿真方法可用于其他压力模拟系统调节装置的特性分析与评估。The regulating capability,dynamic regulation characteristics and internal flow distribution char⁃acteristics of a large-diameter hydraulic pressure control device for high altitude cell was simulated.In or⁃der to evaluate device working effect in steady and thrust transient test,model for pressure simulating sys⁃tem in Matlab/Simulink was built.Additionally,distribution characteristics of internal flow field were re⁃searched using Solidworks.Results show that flow capacity of the special device meets all typical testing re⁃quests for different controllable throttle element.The simulating method in the study could be used for anal⁃ysis and evaluation of other pressure simulating system.

关 键 词：高空舱 压力模拟系统 双瓣液动调节装置 流动特性 建模仿真 动态调节 

分 类 号：V233.7[航空宇航科学与技术—航空宇航推进理论与工程]