Deviation research on internal electronic pressure gauge and copper cylinder pressure gauge in artillery chamber pressure test

You Wenbin; Ma Tiehua; Ding Yonghong; Zhang Jinye

doi:10.11883/1001-1455(2017)03-0571-06

Volume 37 Issue 3

Apr. 2017

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You Wenbin, Ma Tiehua, Ding Yonghong, Zhang Jinye. Deviation research on internal electronic pressure gauge and copper cylinder pressure gauge in artillery chamber pressure test[J]. Explosion And Shock Waves, 2017, 37(3): 571-576. doi: 10.11883/1001-1455(2017)03-0571-06

Citation:

You Wenbin, Ma Tiehua, Ding Yonghong, Zhang Jinye. Deviation research on internal electronic pressure gauge and copper cylinder pressure gauge in artillery chamber pressure test[J]. Explosion And Shock Waves, 2017, 37(3): 571-576. doi: 10.11883/1001-1455(2017)03-0571-06

Citation:

You Wenbin, Ma Tiehua, Ding Yonghong, Zhang Jinye. Deviation research on internal electronic pressure gauge and copper cylinder pressure gauge in artillery chamber pressure test[J]. Explosion And Shock Waves, 2017, 37(3): 571-576. doi: 10.11883/1001-1455(2017)03-0571-06

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Deviation research on internal electronic pressure gauge and copper cylinder pressure gauge in artillery chamber pressure test

doi: 10.11883/1001-1455(2017)03-0571-06

You Wenbin^{1, 2
,},
Ma Tiehua^{1, 2},
Ding Yonghong^{1, 2},
Zhang Jinye³

1.
Science and Technology on Electronic Test and Measurement Laboratory, North University of China, Taiyuan 030051, Shanxi, China
2.
Key Laboratory of Instrumentation Science and Dynamic Measurement Ministry of Education, North University of China, Taiyuan 030051, Shanxi, China
3.
Jinxi Industries Group Technology Center, Taiyuan 030027, Shanxi, China

Received Date: 2015-07-22
Rev Recd Date: 2015-12-28
Publish Date: 2017-05-25

Abstract

Abstract

The artillery chamber pressure is so important a parameter for interior ballistic performance that it has to be measured repeatedly in the course of artillery development, production, acceptance, storage check. When a batch of ammunitions are measured by internal electronic pressure gauge (IEPG) and copper cylinder pressure gauge (CCPG) at the same time, the distribution of IEPG peak values is found to be much larger than that of CCPG ones. The ANSYS model of CCPG was proposed based on the CCPG working principle, and the Johnson-Cook model parameters were optimized according to the dynamic calibration data. The results shows that when discrepancy occurred with respect to the peak pressures measured respectively by IEPG and CCPG, the pressure-change-rate histories of IEPG were different, and the test pressure exerted on the CCPG model was consistent with the copper cylinder deformation obtained in the copper test. The results also show that the difference in peak pressure, captured by IEPG and CCPG in a batch of ammunition chamber pressure measurement at the same time, is due to the influence of different copper cylinder strain rates as a result of different rising rates of the chamber pressure.
- artillery chamber pressure,
- internal electronic pressure gauge,
- copper cylinder pressure gauge,
- Johnson-Cook model parameter

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References(14)

References

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