Longyu Kuang
Chinese Academy of Engineering
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Featured researches published by Longyu Kuang.
Scientific Reports | 2016
Longyu Kuang; Hang Li; Longfei Jing; Zhiwei Lin; Lu Zhang; Liling Li; Yongkun Ding; Shaoen Jiang; Jie Liu; Jian Zheng
A novel ignition hohlraum for indirect-drive inertial confinement fusion is proposed, which is named three-axis cylindrical hohlraum (TACH). TACH is a kind of 6 laser entrance holes (LEHs) hohlraum, which is orthogonally jointed of three cylindrical hohlraums. Laser beams are injected through every entrance hole with the same incident angle of 55°. A view-factor simulation result shows that the time-varying drive asymmetry of TACH is less than 1.0% in the whole drive pulse period without any supplementary technology. Coupling efficiency of TACH is close to that of 6 LEHs spherical hohlraum with corresponding size. Its plasma-filling time is close to that of typical cylindrical ignition hohlraum. Its laser plasma interaction has as low backscattering as the outer cone of the cylindrical ignition hohlraum. Therefore, TACH combines most advantages of various hohlraums and has little predictable risk, providing an important competitive candidate for ignition hohlraum.
Nuclear Fusion | 2016
Lu Zhang; Yongkun Ding; Zhiwei Lin; Hang Li; Longfei Jing; Zheng Yuan; Zhiwen Yang; Xiulan Tan; Longyu Kuang; Wenhai Zhang; Liling Li; Ping Li; Guanghui Yuan; Shaoen Jiang; Baohan Zhang
Experiments have been conducted to compare the re-emission from foam gold with a 0.3 g cc−1 density and solid gold in a SGIII prototype laser facility. Measurements of the re-emission x-ray flux demonstrate that emission is enhanced by the low density foam gold compared to the solid gold under the same conditions. The emission fraction increases with time and is concentrated on soft x-ray flux between 0.1–1 keV. The simulation results with Multi 1D agree with the experimental results. There are potential advantages to using foam walls for improving the emission and soft x-ray flux in hohlraums.
New Journal of Physics | 2015
Liang Guo; Yongkun Ding; Pifeng Xing; Sanwei Li; Longyu Kuang; Zhichao Li; Taimin Yi; Guoli Ren; Zeqing Wu; Longfei Jing; Wenhai Zhang; Xiayu Zhan; Dong Yang; Baibin Jiang; Jiamin Yang; Shenye Liu; Shaoen Jiang; Yongsheng Li; Jie Liu; Wenyi Huo; Ke Lan
An ultrathin layer of uranium nitrides (UN) has been coated on the inner surface of depleted uranium hohlraum (DUH), which has been proven by our experiment to prevent the oxidization of uranium (U) effectively. Comparative experiments between the novel depleted uranium hohlraum and pure golden (Au) hohlraum are implemented on an SGIII-prototype laser facility. Under a laser intensity of 6 × 1014 W cm−2, we observe that the hard x-ray (hν keV) fraction of the uranium hohlraum decreases by 61% and the peak intensity of the total x-ray flux (0.1 keV~5.0 keV) increases by 5%. Radiation hydrodynamic code LARED is used to interpret the above observations. Our result for the first time indicates the advantages of the UN-coated DUH in generating a uniform x-ray source with a quasi-Planckian spectrum, which should have important applications in high energy density physics.
Nuclear Fusion | 2018
Shaoen Jiang; Feng Wang; Yongkun Ding; Shenye Liu; Jiamin Yang; Sanwei Li; Tianxuan Huang; Zhurong Cao; Zhenghua Yang; Xin Hu; Wenyong Miao; Jiyan Zhang; Zhebin Wang; Guohong Yang; Rongqing Yi; Qi Tang; Longyu Kuang; Zhichao Li; Yang Dong; Baohan Zhang
Materials Express | 2012
Wanli Shang; Wenhai Zhang; Jiamin Yang; Tuo Zhu; Longyu Kuang; Sanwei Li
arXiv: Plasma Physics | 2018
Hang Li; Longfei Jing; Shaoen Jiang; Longyu Kuang; Huabin Du; Xiayu Zhan; Zhichao Li; Sanwei Li; Liling Li; Jianhua Zheng; Jinhua Zheng; Zhiwei Lin; Lu Zhang; Qiangqiang Wang; Yimeng Yang; Bo Ma; Peng Wang; Dong Yang; Feng Wang; Jiamin Yang; Lin Gao; Haijun Zhang; Juan Zhang; Honglian Wang; Chenggang Ye; Qianqian Gu; Jie Tang; Wei Zhang; Jun Xie; Guanghui Yuan
arXiv: Plasma Physics | 2018
Longyu Kuang; Hang Li; Shaoen Jiang; Longfei Jing; Jianhua Zheng; Liling Li; Zhiwei Lin; Lu Zhang; Yulong Li; Xiangming Liu; Xiaoshi Peng; Qi Tang; Xiayu Zhan; Zhurong Cao; Qiangqiang Wang; Bo Deng; Keli Deng; Lifei Hou; Huabing Du; Wei Jiang; Zhongjing Chen; Dong Yang; Feng Wang; Jiamin Yang; Lin Gao; Haijun Zhang; Juan Zhang; Jun Xie; Guanghui Yuan; Zhibing He
Nuclear Fusion | 2018
Longfei Jing; Shaoen Jiang; Longyu Kuang; Hang Li; Lu Zhang; Liling Li; Zhiwei Lin; Jianhua Zheng; Yunbao Huang; Tianxuan Huang; Yongkun Ding
Nuclear Fusion | 2018
Liang Guo; Taimin Yi; Guoli Ren; Wenhai Zhang; Sanwei Li; Zhichao Li; Longyu Kuang; Xufei Xie; Xiaohua Jiang; Huabin Du; Lifei Hou; Xiayu Zhan; Mengshen Yang; Pifeng Xing; Wudi Zheng; Ke Lan; Yongkun Ding; Feng Wang; Jiamin Yang; Shenye Liu; Shaoen Jiang; Baohan Zhang
arXiv: Plasma Physics | 2017
Longfei Jing; Shaoen Jiang; Longyu Kuang; Hang Li; Lu Zhang; Liling Li; Zhiwei Lin; Jianhua Zheng; Feng Hu; Yunbao Huang; Tianxuan Huang; Yongkun Ding