南方能源建设2024，Vol.11Issue(3)：36-46,11.DOI:10.16516/j.ceec.2024.3.04
反常电子粘滞性引起的双撕裂模非线性演化
Nonlinear Evolution of Double Tearing Mode Mediated by Parallel Electron Viscosity
摘要
Abstract
[Introduction]By adding parallel electron viscosity into the normal equation of resistance tearing mode,the nonlinear behavior of double tearing mode(DTM)mediated by parallel electron viscosity is numerically investigated considering the magnetohydrodynamics in a periodic cylinder.[Method]The evolution of magnetic islands and magnetic flux during the nonlinear behavior stage of double tearing mode mediated by parallel electron viscosity were analyzed,to study the changes of the magnetic field topology in different phases and associated kinetic characteristics for different distances between the two resonant rational flux surfaces.In addition,the nonlinear driving for each case was discussed.[Result]The results show that the distance between the two resonant rational flux surfaces has a significant impact on the nonlinear behavior of double tearing mode.Rapid magnetic reconnection would occur at an intermediate distance,resulting in the fastest and most severe damage to the configuration.[Conclusion]The results of this study provide a reference for the configuration design and operational control of tokamaks.关键词
双撕裂模/反常电子粘滞性/非线性演化/等离子体模拟/磁重联Key words
double tearing mode/parallel electron viscosity/plasma simulation/nonlinear evolution/magnetic reconnection分类
核科学引用本文复制引用
何志雄,董家齐,蒋海斌..反常电子粘滞性引起的双撕裂模非线性演化[J].南方能源建设,2024,11(3):36-46,11.基金项目
福建省自然科学基金资助项目"反常电子粘滞性引起的双撕裂模研究"(2019J01785) （2019J01785）
