Results 201 to 210 of about 9,824 (218)

Extended magnetohydrodynamic simulations of field reversed configuration formation and sustainment with rotating magnetic field current drive

Physics of Plasmas, 2010
Three-dimensional simulations of field reversed configuration (FRC) formation and sustainment with rotating magnetic field (RMF) current drive have been performed with the NIMROD code [C. R. Sovinec et al., J. Comput. Phys. 195, 355 (2004)]. The Hall term is a zeroth order effect with strong coupling between Fourier components, and recent enhancements ...
R. D. Milroy, C. C. Kim, C. R. Sovinec
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Calculating electron cyclotron current drive stabilization of resistive tearing modes in a nonlinear magnetohydrodynamic model

Physics of Plasmas, 2010
A model which incorporates the effects of electron cyclotron current drive (ECCD) into the magnetohydrodynamic equations is implemented in the NIMROD code [C. R. Sovinec et al., J. Comput. Phys. 195, 355 (2004)] and used to investigate the effect of ECCD injection on the stability, growth, and dynamical behavior of magnetic islands associated with ...
Thomas G. Jenkins, Scott Kruger, C. C. Hegna, Dalton D. Schnack, C. R. Sovinec   +4 more
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A magnetohydrodynamic model of rotating magnetic field current drive in a field-reversed configuration

Physics of Plasmas, 2000
A numerical model has been developed to study the use of a Rotating Magnetic Field (RMF) as an electron current drive mechanism for the formation and sustainment of a field-reversed configuration (FRC). Previous models assumed a fixed ion model, but here a full two-dimensional (r-θ) magnetohydrodynamic model has been developed.
R. D. Milroy
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Instabilities of ideal magnetohydrodynamics mode and neoclassical tearing mode stabilization by electron cyclotron current drive for EHL-2 spherical torus

Plasma Science and Technology
Abstract The next generation fusion device listed on ENN’s fusion roadmap, named as (ENN He-Long) EHL-2, is under both physics and engineering designs. The instabilities of ideal magnetohydrodynamics (MHD) mode and neoclassical tearing mode (NTM) stabilized by electron cyclotron current drive (ECCD) for EHL-2’s two typical operation ...
Lili Dong, Li Li, Tong Liu, Wenjun Liu, Y. Liang, Jiaqi Dong, Huasheng Xie, Yuejiang Shi, the EHL-2 Team   +8 more
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AC Maritime Magnetohydrodynamic Engine—Resonant Drive Topologies, Propulsion Mechanism, and Experimental Validation

IEEE Transactions on Transportation Electrification
Kin Lung Jerry Kan, K.W.E. Cheng, Hai Chen Zhuang, Hui Tang   +3 more
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Investigation of a Synchronized Current Scale-Down Drive for the Maritime Magnetohydrodynamic Engine

IEEE Journal of Emerging and Selected Topics in Power Electronics
Kin Lung Jerry Kan, K.W.E. Cheng, Yat Chi Fong, Ka Wing Chan   +3 more
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Numerical magnetohydrodynamic simulations of expanding flux ropes: Influence of boundary driving

Physics of Plasmas, 2013
The expansion dynamics of a magnetized, current-carrying plasma arch is studied by means of time-dependent ideal MHD simulations. Initial conditions model the setup used in recent laboratory experiments that in turn simulate coronal loops [J. Tenfelde et al., Phys. Plasmas 19, 072513 (2012); E. V. Stenson and P. M. Bellan, Plasma Phys.
Thomas Tacke, Jürgen Dreher, Richard D. Sydora   +2 more
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Transverse dynamics of dispersive Alfvén waves. II. Driving of a reduced magnetohydrodynamic flow

Physics of Plasmas, 2002
The nonlinear dynamics resulting from transverse and quasi-transverse instabilities of a finite-amplitude dispersive Alfvén wave propagating along an ambient magnetic field is studied by direct numerical simulations of the three-dimensional Hall-magnetohydrodynamic (Hall-MHD) equations.
D. Laveder, T. Passot, P. L. Sulem
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Observation of Magnetohydrodynamics Instabilities in Ion Berstein Wave and Lower-Hybrid-Current Driving Synergetic Discharges on HT-7 Tokamak

Chinese Physics Letters, 2004
The normalized performance indicated by the product of βNH89>2 was achieved by a combination of the lower hybrid current driving (LHCD) and the ion Berstein wave (IBW) heating in the HT-7 tokamak. More than 80% of the plasma current was sustained by the LHCD and the bootstrap current. Large edge pressure gradients were observed. The magnetohydrodynamic
Mao Jian-Shan, Luo Jia-Rong, Shen Biao, Zhao Jun-Yu, Hu Li-Qun, Zhu Yu-Bao, Xu Guo-Sheng, M Asif, Gao Xiang, Wan Bao-Nian   +9 more
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Magnetohydrodynamical Winds from an Accretion Disk: Driving by the Magnetic Pressure and Tension of Toroidal Magnetic Fields

Publications of the Astronomical Society of Japan, 1991
Abstract In order to describe the magnetohydrodynamical (MHD) winds/jets from a geometrically thin accretion disk with rotation, MHD equations are written in orthogonal curvilinear coordinates with axes parallel and perpendicular to the streamlines, respectively.
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