Power capability and parameters of JWL equation of state for RDX-based PBX

Wang Xinying; Wang Shushan; Xu Yuxin; Hu Sai

doi:10.11883/1001-1455(2016)02-0242-06

Volume 36 Issue 2

Oct. 2018

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Article Navigation > Explosion And Shock Waves > 2016 > 36(2): 242-247

Wang Xinying, Wang Shushan, Xu Yuxin, Hu Sai. Power capability and parameters of JWL equation of state for RDX-based PBX[J]. Explosion And Shock Waves, 2016, 36(2): 242-247. doi: 10.11883/1001-1455(2016)02-0242-06

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Wang Xinying, Wang Shushan, Xu Yuxin, Hu Sai. Power capability and parameters of JWL equation of state for RDX-based PBX[J]. Explosion And Shock Waves, 2016, 36(2): 242-247. doi: 10.11883/1001-1455(2016)02-0242-06

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Power capability and parameters of JWL equation of state for RDX-based PBX

doi: 10.11883/1001-1455(2016)02-0242-06

1.
State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China
2.
School of Equipment Engineering, Shenyang LigongUniversity, Shenyang 110159, Liaoning, China

Received Date: 2014-11-18
Rev Recd Date: 2015-03-10
Publish Date: 2016-03-25

Abstract

Abstract

In order to study the power capability of RDX-based PBX and determine the parameters of the JWL equation of state, the ∅50 mm standard cylinder test of RDX-based PBX and TNT were carried out, the expansion distance-time curve and velocity-time curve of the cylinder wall were obtained. Compared with the TNT, PBX had obviously a higher power capability. Based on the theory of energy conservation and the nonlinear fitting of the experimental data, the parameters of the JWL equation of state were obtained. Compared with the known software parameters and by numerical simulation of the cylinder test by AUTODYN, a fairly good agreement was reached between the experimental value and the actual test results, proving that this method for obtaining the JWL parameters is viable.
- mechanics of explosion,
- power capability,
- cylinder test,
- RDX-based PBX,
- JWL equation of state

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References(13)

References

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