飞机冲压空气涡轮系统的动态特性分析

doi:10.7527/S1000-6893.2019.23242

Abstract

Abstract: The ram air turbine system is a commonly used airborne auxiliary power system for emergency situations. Aiming at the Ram Air Turbine (RAT) system, the physical architecture is firstly constructed based on the working principle. On the basis of the physical architecture, the mechanical analysis is conducted for turbine, energy conversion unit, actuator, and deployment mechanism components. Finally, based on the mechanical equations, a multidisciplinary model of the RAT involving mechanics, hydraulics and multi-body dynamics is built. This system model is used to simulate the dynamic behaviors under different working and design conditions and the influences on performances of key design parameters were studied for forward design procedure. Finally, the results of a wind tunnel test verified the accuracy of the system model.

Key words: ram air turbine, system model, multidisciplinary simulation, dynamic behavior, wind tunnel test

CLC Number:

V37
N945.13

XIA Tianxiang, LU Yueliang, KE Bing. Analysis of dynamic behavior of aircraft ram air turbine system[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2020, 41(3): 423242-423242.

References 20

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Analysis of dynamic behavior of aircraft ram air turbine system

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