Effect of asymmetric factors on carrier-based aircraft catapult launch safety

LIN Jiaming; ZHANG Yi; YUE Ting; WANG Lixin

doi:10.13700/j.bh.1001-5965.2017.0391

Volume 44 Issue 2

Feb. 2018

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Journal of Beijing University of Aeronautics and Astronautics > 2018 > 44(2): 363-374.

Wang Zhongbo, Liu Wenting, Jiang Dongbin, et al. Nominal Stress Approach for Fatigue Life Estimationunder Corrosive Environment[J]. Journal of Beijing University of Aeronautics and Astronautics, 2003, 29(2): 161-164. (in Chinese)

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LIN Jiaming, ZHANG Yi, YUE Ting, et al. Effect of asymmetric factors on carrier-based aircraft catapult launch safety[J]. Journal of Beijing University of Aeronautics and Astronautics, 2018, 44(2): 363-374. doi: 10.13700/j.bh.1001-5965.2017.0391(in Chinese)

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Effect of asymmetric factors on carrier-based aircraft catapult launch safety

doi: 10.13700/j.bh.1001-5965.2017.0391

School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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Corresponding author: WANG Lixin, E-mail:wlx_c818@163.com
Received Date: 09 Jun 2017
Accepted Date: 31 Aug 2017
Publish Date: 20 Feb 2018

Abstract

Abstract

Asymmetric factors lead to lateral-directional departure after catapult launch, and affect longitudinal flyaway characteristics as well. Principle analysis and numerical simulation are conducted to reveal yawing movement characteristics during deck run and lateral-directional departure characteristics in catapult flyaway, with the consideration of three typical factors, such as off-center position, catapult runway angle and deck roll. According to the safety requirements of sink off bow and bank angle, safe wind over deck (WOD) envelope is figured through numerical simulation under different takeoff conditions. Simulation results indicate that lower boundary of the envelope is limited by maximum sink off bow, left and right boundary is restricted to maximum bank angle, and upper boundary is determined by constant wind at sea level. The range of safe WOD's direction and speed would be obviously narrowed due to off-center position or deck roll.
- carrier-based aircraft,
- wind over deck (WOD) envelope,
- safety criteria,
- off-center position,
- catapult runway angle,
- deck roll

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References(26)

References

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