Magnetic reconnection process in transient coaxial helicity injection

2013 ◽  
Vol 20 (9) ◽  
pp. 090702 ◽  
Author(s):  
F. Ebrahimi ◽  
E. B. Hooper ◽  
C. R. Sovinec ◽  
R. Raman
Keyword(s):  
Magnetic Reconnection ◽  
Helicity Injection ◽  
Reconnection Process ◽  
Coaxial Helicity Injection

Physics of forced magnetic reconnection in coaxial helicity injection experiments in National Spherical Torus Experiment

2014 ◽  
Vol 21 (5) ◽  
pp. 056109 ◽  
Author(s):  
F. Ebrahimi ◽  
R. Raman ◽  
E. B. Hooper ◽  
C. R. Sovinec ◽  
A. Bhattacharjee
Keyword(s):  
Magnetic Reconnection ◽  
Spherical Torus ◽  
Helicity Injection ◽  
Coaxial Helicity Injection ◽  
Forced Magnetic Reconnection

scholarly journals Numerical study of the reconnection process between magnetic cloud and heliospheric current sheet

2018 ◽  
Vol 619 ◽  
pp. A82
Author(s):  
Man Zhang ◽  
Yu Fen Zhou ◽  
Xue Shang Feng ◽  
Bo Li ◽  
Ming Xiong
Keyword(s):  
Magnetic Reconnection ◽  
Current Sheet ◽  
Dynamic Process ◽  
Large Scale ◽  
Magnetic Cloud ◽  
Numerical Study ◽  
Three Dimensional ◽  
Heliospheric Current Sheet ◽  
Reconnection Process ◽  
Magnetic Filed

In this paper, we have used a three-dimensional numerical magnetohydrodynamics model to study the reconnection process between magnetic cloud and heliospheric current sheet. Within a steady-state heliospheric model that gives a reasonable large-scale structure of the solar wind near solar minimum, we injected a spherical plasmoid to mimic a magnetic cloud. When the magnetic cloud moves to the heliospheric current sheet, the dynamic process causes the current sheet to become gradually thinner and the magnetic reconnection begin. The numerical simulation can reproduce the basic characteristics of the magnetic reconnection, such as the correlated/anticorrelated signatures in V and B passing a reconnection exhaust. Depending on the initial magnetic helicity of the cloud, magnetic reconnection occurs at points along the boundary of the two systems where antiparallel field lines are forced together. We find the magnetic filed and velocity in the MC have a effect on the reconnection rate, and the magnitude of velocity can also effect the beginning time of reconnection. These results are helpful in understanding and identifying the dynamic process occurring between the magnetic cloud and the heliospheric current sheet.

Temperature and density characteristics of the Helicity Injected Torus-II spherical tokamak indicating closed flux sustainment using coaxial helicity injection

2008 ◽  
Vol 15 (8) ◽  
pp. 082501 ◽  
Author(s):  
W. T. Hamp ◽  
T. R. Jarboe ◽  
B. A. Nelson ◽  
R. G. O’Neill ◽  
R. Raman ◽  
...  
Keyword(s):  
Spherical Tokamak ◽  
Helicity Injection ◽  
Coaxial Helicity Injection

Low Aspect Ratio Tokamak Formation and Sustainment by Coaxial Helicity Injection Current Drive

1995 ◽  
Vol 27 (3T) ◽  
pp. 333-336
Author(s):  
B. A. Nelson ◽  
T. R. Jarboe ◽  
D. J. Orvis ◽  
A. K. Martin ◽  
J. Xie ◽  
...  
Keyword(s):  
Aspect Ratio ◽  
Current Drive ◽  
Injection Current ◽  
Helicity Injection ◽  
Low Aspect Ratio ◽  
Coaxial Helicity Injection

scholarly journals NSTX Plasma Start-Up Using Transient Coaxial Helicity Injection

2007 ◽  
Vol 52 (3) ◽  
pp. 393-397 ◽  
Author(s):  
D. Mueller ◽  
R. Raman ◽  
M. G. Bell ◽  
T. R. Jarboe ◽  
B. LeBlanc ◽  
...  
Keyword(s):  
Helicity Injection ◽  
Start Up ◽  
Coaxial Helicity Injection
Sign in / Sign up

Export Citation Format

Share Document