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RISS 인기검색어
- 검색키워드
- 저자 : Huang Qianhong (검색결과 2 건)
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H-mode experimental integrated modeling of impurity injection to control divertor heat flux on HL-2A
Yu Peng,Huang Qianhong,Zhong Yijun,Wu Ting,Wang Jun,Wang Zhanhui,Gong Xue-yu 한국물리학회 2023 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.82 No.8
Based on the METIS integrated modeling platform, combined with the experimental data of the #34512 shot detached divertor operation on the HL-2A, this paper selects suitable physical models, and compares and analyzes the integrated modeling results with the experimental results. The modeling results are in good agreement with the experimental results. On this basis, the reason for the decrease of the peak heat fux on the divertor targets is investigated using the METIS simulator. The results show that the two factors of entering the H-mode and the radiation enhancement efect generated by impurity injection work together to reduce the heat fow on the targets. Finally, the diferent efects of N, Ar and Ne impurity gases on the heat fux reduction of the targets are simulated under the condition that the plasma line-average efective charge (Zef) is kept unchanged. The results show that N and Ar are both better than Ne in controlling the heat fow on the targets, and N has the best compatibility in the core, which can not only reduce the boundary heat fow but also maintain the core confnement performance.
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Chaosheng Song,Chengcheng Liang,Caichao Zhu,Kunming Liu,Siyuan Liu,Qianhong Huang 대한기계학회 2020 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.34 No.7
An accurate mathematical model of face-hobbed hypoid gear tooth surface based on the three-faced blade is established. The correctness of the mathematical model was verified by comparing the contact pattern results from KIMOS software and finite element tooth contact analysis. Then, the effects of tool errors on mesh characteristics of face-hobbed hypoid gear were investigated by loaded tooth contact analysis. Results show that the influences of pressure angle error and regrind angle error on contact pattern are obvious. The location of contact pattern moves from the root on the heel side to the top on the toe side of the tooth surface when the error value increases. The peak-to-peak value of transmission error gradually increases with those two types of errors. The influences of spheric radius error, rake angle error and cutting side relief angle error on contact behaviors are similar and not obvious for facehobbed hypoid gears.
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