Radiated temperature of light flash produced by hypervelocity impact on natural dolomite plate

Xiang Shenghai; Wang Di; Tang Enling; Shi Xiaohan; Zhang Qingming; Wang Meng; Xia Jin

doi:10.11884/HPLPB201527.014003

Volume 27 Issue 01

Jan. 2015

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Zhao Ying, He Jun, Wang Lin, et al. Thermal analysis and solutions of new parametric current transformer in BEPC Ⅱ[J]. High Power Laser and Particle Beams, 2018, 30: 085106. doi: 10.11884/HPLPB201830.180027

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Xiang Shenghai, Wang Di, Tang Enling, et al. Radiated temperature of light flash produced by hypervelocity impact on natural dolomite plate[J]. High Power Laser and Particle Beams, 2015, 27: 014003. doi: 10.11884/HPLPB201527.014003

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Radiated temperature of light flash produced by hypervelocity impact on natural dolomite plate

doi: 10.11884/HPLPB201527.014003

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

Received Date: 2014-06-09
Rev Recd Date: 2014-08-19
Publish Date: 2015-01-20

Abstract

Abstract

To investigate the evolutionary characteristics of decay phase of the flash temperature produced by hypervelocity impact on dolomite plate, an experimental measurement system platform was established with two-stage light-gas gun loading system and optical pyrometer measurement system, and the hypervelocity impact experiments were executed in two different velocities (as 1.9, 4.2 km/s)at the same impact angle 45. Theoretical and empirical formula was deduced by shock wave theory. The analysis of the results show that the larger the impact velocity is, the longer the decay time will be and that the theoretical derivation formula is better consistent with the experimental data, and it can be used for estimating such collisions radiation decay phase of the flash temperature.
- hypervelocity impact,
- dolomite plate,
- impact light flash,
- flash temperature,
- theoretical derivation

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