Volume 36 Issue 5
Oct 2022
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MO Xiaolei, LIN Yuliang, LI Yugang. Response Characteristics of Spring-Mass System under Impact of Momentum Ball[J]. Chinese Journal of High Pressure Physics, 2022, 36(5): 054101. doi: 10.11858/gywlxb.20220566
Citation: MO Xiaolei, LIN Yuliang, LI Yugang. Response Characteristics of Spring-Mass System under Impact of Momentum Ball[J]. Chinese Journal of High Pressure Physics, 2022, 36(5): 054101. doi: 10.11858/gywlxb.20220566

Response Characteristics of Spring-Mass System under Impact of Momentum Ball

doi: 10.11858/gywlxb.20220566
  • Received Date: 13 Apr 2022
  • Rev Recd Date: 09 May 2022
  • Issue Publish Date: 11 Oct 2022
  • Impulse is an important power parameter of explosive air shock wave, and the momentum-block test method is one of the ways to measure the impulse. This paper attempts to convert the momentum of the momentum-ball into the quantitative compression displacement of the spring by investigating the impact response characteristics of spring-mass system. Four different momentum-balls impact tests, such as polyformaldehyde, polytetrafluoron, aluminum and steel, were conducted to obtain the spring-mass compression response characteristics and momentum/energy conversion efficiency. The results show that the maximum compression displacement of the spring is linearly related to the loading velocity of the momentum-ball. The polyformaldehyde momentum-ball spring coupling system shows the most stable properties, which is suitable for the transfer carrier of shock wave impulse measurement. This work can provide a new method for shock wave measurement.

     

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