Investigation and Analysis for Landing Impact on Buffer Seat System

Abstract

Abstract: A dynamic model of the buffer seat was established according to the characteristics of the reentry capsule landing,equivalent land impact acceleration and work mechanism of the bumper.The method was given to calculate dynamic response of arbitrary position on buffer seat. Numerical simulations prove the modeling and calculation are true.The influence of the landing conditions,positions on the seat,and mechanics of buffer on the astronaut's chest-back and head- pelvis acceleration were studied respectively.A good reference to enhance the work performance of the buffer seat was provided.

Key words: Buffe seat system, Impact attenuation device, Landing impact, Dynamic model Return module, Spacecraft

Xie Yan Lei Yongjun Li Daokui Zhou Jianping (College of Aerospace and Material Engineering,National University of Defense and Technology,Changsha 410073). Investigation and Analysis for Landing Impact on Buffer Seat System[J]. .

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Investigation and Analysis for Landing Impact on Buffer Seat System

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