Experimental Study on the Effect of Liquid-filled Tube Structure on Shock Wave Attenuation
In recent years,the casualties caused by regional conflicts,terrorist attacks,and other explosive environments occurred frequently,causing widespread concern at home and abroad.Body injury caused by the explosion has become the main form of injury to soldiers in modern war.Here the attenuation effect of the liquid-filled tube structure for human body protection on the shock wave is mainly studied through shock tube test.Through the liquid-filled tube,the kinetic energy of shock wave is converted into the internal energy and kinetic energy of liquid in the tube,and the transfer and dissipation of the shock wave energy are realized with the release of liquid and its energy absorption.The results show that the protective structure can attenuate the peak overpressure by up to 35％and the specific impulse by 30％.The results could provide an important reference for human protection against blast shock waves.
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