Evolutionary characteristics of light flash radiation produced by hypervelocity impact on LY12 aluminum targets

Tang Enling; Zhang Qingming; Zhang Wei; Yang Minghai; Xiang Shenghai; Li Lexin; He Liping

doi:10.3788/HPLPB20122410.2454

Volume 24 Issue 10

Sep. 2012

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Article Navigation > High Power Laser and Particle Beams > 2012 > 24(10): 2454-2458

Xu Xiong, Wei Yanyu, Shen Fei, et al. Simulation of 650 GHz sine waveguide backward wave oscillator[J]. High Power Laser and Particle Beams, 2012, 24: 5-6. doi: 10.3788/HPLPB20122401.0005

Citation:

Tang Enling, Zhang Qingming, Zhang Wei, et al. Evolutionary characteristics of light flash radiation produced by hypervelocity impact on LY12 aluminum targets[J]. High Power Laser and Particle Beams, 2012, 24: 2454-2458. doi: 10.3788/HPLPB20122410.2454

Xu Xiong, Wei Yanyu, Shen Fei, et al. Simulation of 650 GHz sine waveguide backward wave oscillator[J]. High Power Laser and Particle Beams, 2012, 24: 5-6. doi: 10.3788/HPLPB20122401.0005

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Evolutionary characteristics of light flash radiation produced by hypervelocity impact on LY12 aluminum targets

doi: 10.3788/HPLPB20122410.2454

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: 2011-12-27
Rev Recd Date: 2012-03-12
Publish Date: 2012-10-15

Abstract

Abstract

Hypervelocity impact experiments were conducted under four experimental conditions to investigate evolutionary characteristics of light flash radiation by using optical pyrometer measurement system established and two-stage light-gas gun loading system. One optical fiber probe was used in every experiment. Evolution of light flash intensity was obtained based on original data and calibration by Matlab programmable treatments under the given experimental condition and the optical-fiber probe scheme. Evolutionary characteristics of radiation temperature were acquired by using ratio methods. Experimental results show that impact light flash intensity and radiation temperature peak value decrease with impact angles increasing in the range of 488 to 667 nm during hypervelocity impact on LY12 Aluminum targets.
- hypervelocity impact,
- impact light flash,
- pyrometer,
- radiation

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