低能量状态对飞行安全的危害及改出方法

doi:10.7527/S1000-6893.2017.121077

Abstract

Abstract:

The low energy state which may induce flight accidents during the approach and landing phases of civil aircraft and the pilot's recovery methods are studied. According to the analysis reports of civil aircraft accidents in recent years and the requirements of airworthiness standards for civil transport aircraft CCAR-25-R4, flight test guide AC25-7C, military specifications and related industry standards, the quantitative criteria for the low energy state of land leveling, crosswind landing, and controlled flight into terrain are set up. Taking a regional jet as an example, we study the flight safety problems and characteristics of the low kinetic energy and the low potential energy state during the approach and landing by using digital simulation method. A method for increasing the speed and suppressing the climb is proposed for low kinetic energy recovery. A method for increasing the pitch attitude and maintaining the speed is also proposed for low potential energy recovery. Simulation results show the effectiveness of the two methods. The research results can provide a theoretical reference for the design of low energy alarm system and the training of pilots.

Key words: civil aircraft, low energy, flight safety, low energy criteria, recovery methods

CLC Number:

V221

CHEN Junping, WANG Lixin. Hazards of low energy state to flight safety and recovery methods[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2017, 38(8): 121077-121077.

References

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Hazards of low energy state to flight safety and recovery methods

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