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Publishing Language: Chinese

Emergency evacuation experiment of civil aircraft considering crash environment impact

Haoxuan PENG1,2,3, Xiaochuan LIU1,2,3( ), Xulong XI1,2,3, Chunyu BAI1,2,3, Xiaocheng LI1,2,3, Hao AN1,2,3, Rangke MU1,2,3
National Key Laboratory of Strength and Structural Integrity, Xi’an 710065, China
Aviation Key Laboratory of Science and Technology on Structures Impact Dynamics, Aircraft Strength Research Institute of China, Xi’an 710065, China
Shaanxi Province Key Laboratory of Aircraft Vibration, Impact and Noise, Xi’an 710065, China
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Abstract

The environmental factors in survivable civil aircraft crash accidents have a significant impact on passenger evacuation. Based on the characteristics of typical survivable civil aircraft crash accident scenarios, this paper proposes an experimental method for passenger emergency evacuation that can simulate typical crash accident environments, and introduces simulation methods for aircraft body attitudes, environmental sound/light, cabin obstacles, visual environment of portholes, and high-precision measurement methods for the personnel evacuation trajectory. The impact of crash environment factors such as aircraft body tilt attitudes, accident sound/light environments, and aisle obstacles on the emergency evacuation of civil aircraft passengers is studied through volunteer experiments. The results indicate that the proposed experimental method for emergency evacuation considering the impact of crash environment and the simulation scheme for crash environment are feasible, and obtain effective experimental data; the aircraft body attitude change within a pitch angle of ± 5° has no significant impact on the total evacuation time and evacuation efficiency of multi-passenger evacuation, and the difference in the speed of passengers moving uphill and downhill in the aisle area increases with the increase of pitch angle; the sound and lighting environment of the crash accident have a certain impact on the emergency evacuation of passengers, and the accident background sound can reduce the total evacuation time, while emergency lighting increases the total evacuation time; obstacles in the cabin aisle overall increase the total evacuation time, with a shorter distance between the obstacles and the exit resulting in lower evacuation efficiency; compared to movable obstacles, fixed obstacles can lead to lower evacuation efficiency.

Keywords

crashworthinesscabin safetycrash accidentemergency evacuationenvironment simulationpositioning surveyevacuation efficiency
CLC number: V328.3; X949 Document code: A

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Acta Aeronautica et Astronautica Sinica
Volume 45 Issue 15,
August 2024
Article number: 229755
DOI: 10.7527/S1000-6893.2024.29755
Cite this article:
PENG H, LIU X, XI X, et al. Emergency evacuation experiment of civil aircraft considering crash environment impact. Acta Aeronautica et Astronautica Sinica, 2024, 45(15): 229755. https://doi.org/10.7527/S1000-6893.2024.29755

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Received: 21 October 2023
Revised: 22 November 2023
Accepted: 08 January 2024
Published: 15 August 2024
© 2024 The Journal of Acta Aeronautica et Astronautica Sinica
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