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典型文献
Free-boundary plasma equilibria with toroidal plasma flows
文献摘要:
Magnetohydrodynamic equilibrium schemes with toroidal plasma flows and scrape-off layer are developed for the'divertor-type'and'limiter-type'free boundaries in the tokamak cylindrical coordinate.With a toroidal plasma flow,the flux functions are considerably different under the isentropic and isothermal assumptions.The effects of the toroidal flow on the magnetic axis shift are investigated.In a high beta plasma,the magnetic shifts due to the toroidal flow are almost the same for both the isentropic and isothermal cases and are about 0.04α0(α0 is the minor radius)for M0 = 0.2(the toroidal Alfvén Mach number on the magnetic axis).In addition,the X-point is slightly shifted upward by 0.0125a0.But the magnetic axis and the X-point shift due to the toroidal flow may be neglected because M0 is usually less than 0.05 in a real tokamak.The effects of the toroidal flow on the plasma parameters are also investigated.The high toroidal flow shifts the plasma outward due to the centrifugal effect.Temperature profiles are noticeable different because the plasma temperature is a flux function in the isothermal case.
文献关键词:
作者姓名:
Wenjin CHEN;Zhiwei MA;Haowei ZHANG;Wei ZHANG;Longwen YAN
作者机构:
Institute for Fusion Theory and Simulation,Zhejiang University,Hangzhou 310027,People's Republic of China;Southwestern Institute of Physics,Chengdu 610225,People's Republic of China
引用格式:
[1]Wenjin CHEN;Zhiwei MA;Haowei ZHANG;Wei ZHANG;Longwen YAN-.Free-boundary plasma equilibria with toroidal plasma flows)[J].等离子体科学和技术(英文版),2022(03):61-70
A类:
0125a0
B类:
Free,boundary,plasma,equilibria,toroidal,flows,Magnetohydrodynamic,equilibrium,schemes,scrape,off,layer,are,developed,divertor,type,limiter,free,boundaries,tokamak,cylindrical,coordinate,With,flux,functions,considerably,different,under,isentropic,isothermal,assumptions,effects,magnetic,axis,investigated,In,high,beta,shifts,due,almost,same,both,cases,about,minor,radius,M0,Alfv,Mach,number,addition,point,slightly,shifted,upward,by,But,may,neglected,because,usually,less,than,real,parameters,also,outward,centrifugal,Temperature,profiles,noticeable,temperature
AB值:
0.478653
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