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使用基于动态程序规划的时间延迟法分析直线磁化等离子体漂移波湍流角向传播速度和带状流结构

陈冉 刘阿娣 邵林明 胡广海 金晓丽

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使用基于动态程序规划的时间延迟法分析直线磁化等离子体漂移波湍流角向传播速度和带状流结构

陈冉, 刘阿娣, 邵林明, 胡广海, 金晓丽

Analysis on the azimuthal velocity fluctuation of drift-wave turbulence and zonal flow via dynamic programming based time-delay estimation technique in a linear magnetized plasma device

Chen Ran, Liu A-Di, Shao Lin-Ming, Hu Guang-Hai, Jin Xiao-Li
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  • 对等离子体湍流速度场的有效探测,有助于更加深入了解磁约束等离子体湍流以及实现对某些理论预言现象和结构(如带状流)的充分辨识. 本文将基于动态程序规划的时间延迟估算技术成功应用于直线磁化等离子体装置中热 阴极放电条件下的漂移波湍流角向速度涨落的实验分析,并且其结果清晰再现了漂移波湍流中通过非线性能量耦合自发产生的带状流结构. 通过对采用不同频段等离子体湍流涨落通过基于动态程序规划的时间延迟估算分析所再现的带状流结构特征进行比较,进一步就该算法对载波信号中非相干噪声相对水平的抗干扰能力进行了定性评估. 这些工作的成功开展,对于通过采用基于动态程序规划的时间延迟估算分析技术更为深入有效探索磁约束等离子体湍流行为特征,尤其是速度涨落场的演化提供了重要的借鉴和参考 价值.
    The effective measurement of plasma turbulence flow field is of great help for better understanding the turbulence in magnetically confined plasmas, and experimentally verifying the theoretically predicted phenomenon such as zonal flows. In this article, the dynamic programming based time-delay estimation technique is employed for the first time to estimate azimuthal velocity fluctuation of drift-wave turbulence in a linear magnetized plasma generated via a hot cathode plasma source. Analysis results clearly reproduce the zonal flow structure which is spontaneously generated by nonlinear energy transfer from the drift-wave turbulence. Moreover, via the comparison among the zonal flow (ZF) characteristics estimated respectively by the turbulent fluctuations of plasma located in different frequency regions, we further evaluate the dependences of accuracy and response for estimating ZF property using this newly developed time-delay estimation algorithm on the level of relative incoherent noise in the carrier waves. This work provides an example and reference value for deeper exploration on plasma turbulence and in particular the relevant flow field with the help of the dynamic programming based time-delay estimation technique.
    • 基金项目: 国家自然科学基金(批准号:11205193)和高等学校博士学科点新教师类基金(批准号:20113402120023)资助的课题.
    • Funds: Project supported by the National Natural Science Foundation of China (Grant No. 11205193) and Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20113402120023).
    [1]

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    [2]

    Holland C, Tynan G R, McKee G R, Fonck R J 2004 Rev. Sci. Instrum. 75 4278

    [3]

    Jakubowski M, Fonck R J, Fenzi C, McKee G R 2001 Rev. Sci. Instrum. 72 996

    [4]

    Schlossberg D J, Gupta D K, Fonck R J, McKee G R, Shafer M W 2006 Rev. Sci. Instrum. 77 10F518

    [5]

    Gupta D K, McKee G R, Fonck R J 2010 Rev. Sci. Instrum. 81 013501

    [6]

    Shao L M, Xu G S, Liu S C, Zweben S J, Wan B N, Guo H Y, Liu A D, Chen R, Cao B, Zhang W, Wang H Q, Wang L, Ding S Y, Yan N, Hu G H, Xiong H, Chen L, Liu Y L, Zhao N, Li Y L 2013 Plasma Phys. Control. Fusion 55 105006

    [7]

    Hasegawa A, Maclennan C G, Kodama Y 1979 Phys. Fluids 22 2122

    [8]

    Zhang Y Z, Xie T 2014 Acta Phys. Sin. 63 035202(in Chinese)[章扬忠, 谢涛 2014 物理学报 63 035202]

    [9]

    Peng X D, Yin S Q 2004 Acta Phys. Sin. 53 3094(in Chinese)[彭晓东, 尹绍全 2004 物理学报 53 3094]

    [10]

    Winsor N, Johnson J L, Dawson J M 1968 Phys. Fluids 11 2448

    [11]

    Rosenbluth M N, Hinton F L 1998 Phys. Rev. Lett. 80 724

    [12]

    Fujisawa A 2009 Nucl. Fusion 49 013001

    [13]

    Lin Z, Hahm T S, Lee W W, Tang W M, White R B 1998 Science 281 1835

    [14]

    Kim E J, Diamond P H 2003 Phys. Rev. Lett. 90 185006

    [15]

    Xie J L, Yu Z, Liu W D, Yu C X 2006 Plasma Sci. Technol. 8 99

    [16]

    Chen R, Xie J L, Yu C X, Liu A D, Lan T, Zhang S B, Hu G H, Li H, Liu W D 2011 Chin. Phys. Lett. 28 025202

    [17]

    Gao F, Li X C, Zhao S X, Wang Y N 2012 Chin. Phys. B 21 075203

    [18]

    Wu J, Zhang P Y, Sun J Z, Zhang J, Ding Z F, Wang D Z 2008 Chin. Phys. B 17 1848

    [19]

    Xu X, Li L S, Liu F, Zhou Q H, Liang R Q 2008 Chin. Phys. B 17 4242

    [20]

    Hong W Y, Yan L W, Zhao K J, Lan T, Dong J Q, Yu C X, Cheng J, Qian J, Liu A D, Luo C W, Xu Z Y, Huang Y, Yang Q W 2008 Acta Phys. Sin. 57 962(in Chinese)[洪文玉, 严龙文, 赵开君, 兰涛, 董家齐, 俞昌旋, 程均, 钱俊, 刘阿棣, 罗萃文, 徐征宇, 黄渊, 杨青巍 2008 物理学报 57 962]

    [21]

    Xu G S, Wan B N, Song M, Li J 2003 Phys. Rev. Lett. 91 125001

    [22]

    Quénot G M, Pakleza J, Kowalewski T A 1998 Exp. Fluids 25 177

    [23]

    Kim Y C, Powers E J 1979 IEEE Trans. Plasma Sci. 7 120

    [24]

    Kim Y C, Beall J M, Powers E J, Miksad R W 1980 Phys. Fluids 23 258

    [25]

    Itoh K, Nagashima Y, Itoh S -I, Diamond P H, Fujisawa A, Yagi M, Fukuyama A 2005 Phys. Plasmas 12 102301

    [26]

    Diamond P H, Itoh S I, Itoh K, Hahm T S 2005 Plasma Phys. Control. Fusion 47 R35

  • [1]

    McKee G R, Fonck R J, Gupta D K, Schlossberg D J, Shafer M W, Holland C, Tynan G 2004 Rev. Sci. Instrum. 75 3490

    [2]

    Holland C, Tynan G R, McKee G R, Fonck R J 2004 Rev. Sci. Instrum. 75 4278

    [3]

    Jakubowski M, Fonck R J, Fenzi C, McKee G R 2001 Rev. Sci. Instrum. 72 996

    [4]

    Schlossberg D J, Gupta D K, Fonck R J, McKee G R, Shafer M W 2006 Rev. Sci. Instrum. 77 10F518

    [5]

    Gupta D K, McKee G R, Fonck R J 2010 Rev. Sci. Instrum. 81 013501

    [6]

    Shao L M, Xu G S, Liu S C, Zweben S J, Wan B N, Guo H Y, Liu A D, Chen R, Cao B, Zhang W, Wang H Q, Wang L, Ding S Y, Yan N, Hu G H, Xiong H, Chen L, Liu Y L, Zhao N, Li Y L 2013 Plasma Phys. Control. Fusion 55 105006

    [7]

    Hasegawa A, Maclennan C G, Kodama Y 1979 Phys. Fluids 22 2122

    [8]

    Zhang Y Z, Xie T 2014 Acta Phys. Sin. 63 035202(in Chinese)[章扬忠, 谢涛 2014 物理学报 63 035202]

    [9]

    Peng X D, Yin S Q 2004 Acta Phys. Sin. 53 3094(in Chinese)[彭晓东, 尹绍全 2004 物理学报 53 3094]

    [10]

    Winsor N, Johnson J L, Dawson J M 1968 Phys. Fluids 11 2448

    [11]

    Rosenbluth M N, Hinton F L 1998 Phys. Rev. Lett. 80 724

    [12]

    Fujisawa A 2009 Nucl. Fusion 49 013001

    [13]

    Lin Z, Hahm T S, Lee W W, Tang W M, White R B 1998 Science 281 1835

    [14]

    Kim E J, Diamond P H 2003 Phys. Rev. Lett. 90 185006

    [15]

    Xie J L, Yu Z, Liu W D, Yu C X 2006 Plasma Sci. Technol. 8 99

    [16]

    Chen R, Xie J L, Yu C X, Liu A D, Lan T, Zhang S B, Hu G H, Li H, Liu W D 2011 Chin. Phys. Lett. 28 025202

    [17]

    Gao F, Li X C, Zhao S X, Wang Y N 2012 Chin. Phys. B 21 075203

    [18]

    Wu J, Zhang P Y, Sun J Z, Zhang J, Ding Z F, Wang D Z 2008 Chin. Phys. B 17 1848

    [19]

    Xu X, Li L S, Liu F, Zhou Q H, Liang R Q 2008 Chin. Phys. B 17 4242

    [20]

    Hong W Y, Yan L W, Zhao K J, Lan T, Dong J Q, Yu C X, Cheng J, Qian J, Liu A D, Luo C W, Xu Z Y, Huang Y, Yang Q W 2008 Acta Phys. Sin. 57 962(in Chinese)[洪文玉, 严龙文, 赵开君, 兰涛, 董家齐, 俞昌旋, 程均, 钱俊, 刘阿棣, 罗萃文, 徐征宇, 黄渊, 杨青巍 2008 物理学报 57 962]

    [21]

    Xu G S, Wan B N, Song M, Li J 2003 Phys. Rev. Lett. 91 125001

    [22]

    Quénot G M, Pakleza J, Kowalewski T A 1998 Exp. Fluids 25 177

    [23]

    Kim Y C, Powers E J 1979 IEEE Trans. Plasma Sci. 7 120

    [24]

    Kim Y C, Beall J M, Powers E J, Miksad R W 1980 Phys. Fluids 23 258

    [25]

    Itoh K, Nagashima Y, Itoh S -I, Diamond P H, Fujisawa A, Yagi M, Fukuyama A 2005 Phys. Plasmas 12 102301

    [26]

    Diamond P H, Itoh S I, Itoh K, Hahm T S 2005 Plasma Phys. Control. Fusion 47 R35

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出版历程
  • 收稿日期:  2014-04-02
  • 修回日期:  2014-05-12
  • 刊出日期:  2014-09-05

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