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Volume 32 Issue 3
Apr 2018
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Chinese Journal of High Pressure Physics  > 2018  >  32(3): 035204.
FENG Song, RAO Guoning, PENG Jinhua, WANG Boliang. Afterburning Reaction of Thermobaric Explosive by Underwater Explosion[J]. Chinese Journal of High Pressure Physics, 2018, 32(3): 035204. doi: 10.11858/gywlxb.20170688
Citation: FENG Song, RAO Guoning, PENG Jinhua, WANG Boliang. Afterburning Reaction of Thermobaric Explosive by Underwater Explosion[J]. Chinese Journal of High Pressure Physics, 2018, 32(3): 035204. doi: 10.11858/gywlxb.20170688
shu

Afterburning Reaction of Thermobaric Explosive by Underwater Explosion

doi: 10.11858/gywlxb.20170688

  • School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China

  • Received Date: 01 Dec 2017
  • Rev Recd Date: 11 Jan 2018
    Abstract
  • In the present work we calculated the shock wave energy and bubble energy of thermobaric explosive to study the afterburning reaction of the thermobaric explosive using the double container gas charging device and underwater explosion test.Through the study of the energy output structure of the underwater explosion of the thermobaric explosive, the energy released by the afterburning reaction in different gas atmospheres was calculated.As a comparative reference, the same experimental study was carried out on TNT under the same experimental conditions.The experimental results show that when the pressure of the oxygen was 2.5 MPa, the specific shock wave energy of thermobaric explosive with the aluminum powder content of 40% were maximum, the specific bubble energy and total energy of thermobaric explosive with the aluminum powder content of 50% were maximum.It was respectively 1.99, 1.62 and 1.55 times TNT equivalent under the same experimental conditions and, with the increase of the oxygen content in the gas, the afterburning effect was enhanced.The energy of TNT released by the afterburning reaction in the oxygen is 1.94 times that in the air.The energy of the thermobaric explosive released by the afterburning reaction in the oxygen was 2.70 times that in the air.

     

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