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An initial study on liner-like Z-pinch loads with a novel configuration on Qiangguang-I facility

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Abstract

A series of liner-like Z-pinch loads with a novel configuration have been investigated experimentally for the first time on Qiangguang-I facility in China. The metallic layer is sputtered on the inner surface of the cylindrical SiO2 substrate tube. In the preliminary experiment, the electric current flowed through the metallic load during the prepulse. However, the currents also flowed through the outer surface of the SiO2 substrate during the main pulse. After the dielectric length had been increased in the formal experiment, most of the current flowed through the metallic load until radial radiation peak was measured by radiation monitor. As the line mass of the metallic load increases, the peak time of radial radiation also increases. Axial ultraviolet frames indicate that the radiations are nearly azimuthally uniform at first, but the uniformity becomes worse after radial radiation peak. The clearly separated boundary between the metal plasmas and the substrate has not been observed in the experiment. Experimental results are discussed and compared with simulation using the one-dimension radiation hydrodynamics code MULTI-IFE.

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Acknowledgments

We would like to thank the operating team on Qiangguang-I facility for ensuring the experimental conditions, the load fabrication team at Tongji University for their technical support, and the developers of the 1-D MULTI program.

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Authors and Affiliations

  1. Institute of Nuclear Physics and Chemistry, Mianyang, 621900, China

    Zhan-Chang Huang, Shi-Jian Meng, Ze-Ping Xu, Jian-Lun Yang, Fa-Xin Chen, Xiao-Song Yan, Rong-Kun Xu, Zheng-Hong Li, Hong-Wei Xie, Yan-Yun Chu, Fan Ye, Jia-Min Ning, Jian Lu, Shu-Qing Jiang & Rui-Hua Yang

  2. E.T.S.I. Aeronáuticos y del Espacio, Universidad Politécnica de Madrid, 28040, Madrid, Spain

    Fu-Yuan Wu

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  1. Zhan-Chang Huang
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  2. Shi-Jian Meng
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Contributions

All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by Fa-Xin Chen, Fan Ye, Xiao-Song Yan, Fu-Yuan Wu, and Zhan-Chang Huang. The first draft of the manuscript was written by Zhan-Chang Huang and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Zhan-Chang Huang.

Additional information

This work was supported by National Natural Science Foundation of China (No. 11805175).

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Huang, ZC., Meng, SJ., Xu, ZP. et al. An initial study on liner-like Z-pinch loads with a novel configuration on Qiangguang-I facility. NUCL SCI TECH 32, 100 (2021). https://doi.org/10.1007/s41365-021-00928-5

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  • DOI: https://doi.org/10.1007/s41365-021-00928-5

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