Results 21 to 30 of about 56,208 (298)

Linear and nonlinear resonant interaction of sound waves in dissipative layers [PDF]

, 2000
The theory of resonant nonlinear magnetohydrodynamic (MHD) waves in dissipative steady plasmas developed by Ballai and Erdélyi is used to study the effect of steady flows on nonlinear resonant heating of MHD waves in (a) linear, (b) weakly and (c ...
Ballai, I., Erdélyi, R., Goossens, M.
core   +1 more source

The effect of the plasma response on peeling–ballooning modes during edge localized modes mitigated by resonant magnetic perturbations

Nuclear Fusion, 2023
The effects of resonant magnetic perturbation (RMP) fields on peeling–ballooning (P–B) modes are studied with the experimental equilibria of EAST based on the four-field model in BOUT++ code.
L.K. Dong, S.Y. Chen, M.L. Mou, Y. Luo, C.C. Qin, C.J. Tang   +5 more
doaj   +1 more source

First-order perturbative calculation of the frequency-shifts caused by static cylindrically-symmetric electric and magnetic imperfections of a Penning trap [PDF]

, 2014
The ideal Penning trap consists of a uniform magnetic field and an electrostatic quadrupole potential. Cylindrically-symmetric deviations thereof are parametrized by the coefficients Bn and Cn, respectively.
Blaum, Klaus, Eronen, Tommi, Höcker, Martin, Ketter, Jochen, Streubel, Sebastian   +4 more
core   +3 more sources

Resonant mode effects on rotation braking induced by n = 1 resonant magnetic perturbations in the EAST tokamak

Nuclear Fusion, 2023
The spectrum effects on toroidal rotation braking, induced by n  = 1 resonant magnetic perturbations (RMPs) in the discharges with $q_{95} = 4.1$ and $q_{95} = 5.1$ , are studied in the EAST tokamak.
H. Sheng, Y.W. Sun, X.Y. Li, H.H. Li, X.M. Wu, Y.Y. Li, S.F. Mao, Q. Ma, Y.Q. Liu, C. Ye, X.T. Yan, P.C. Xie, Q. Zang, H.H. Wang, M.N. Jia, M.Y. Ye, the EAST Team   +16 more
doaj   +1 more source

Understanding the effect resonant magnetic perturbations have on ELMs [PDF]

Plasma Physics and Controlled Fusion, 2013
All current estimations of the energy released by type I ELMs indicate that, in order to ensure an adequate lifetime of the divertor targets on ITER, a mechanism is required to decrease the amount of energy released by an ELM, or to eliminate ELMs altogether.
Kirk, A, Chapman, I T, Evans, T E, Ham, C, Harrison, J R, Huijsmans, G, Liang, Y, Liu, Y Q, Loarte, A, Suttrop, W, Thornton, A J   +10 more
openaire   +2 more sources

Three-Dimensional Propagation of Magnetohydrodynamic Waves in Solar Coronal Arcades [PDF]

, 2010
We numerically investigate the excitation and temporal evolution of oscillations in a two-dimensional coronal arcade by including the three-dimensional propagation of perturbations.
Arregui, Aschwanden, Halberstadt, I. Arregui, J. L. Ballester, J. Terradas, Oliver, Oliver, Poedts, Poedts, R. Oliver, Ruderman, S. Rial, Terradas, Terradas, Terradas, Tsubaki, Čadež, Čadež   +18 more
core   +1 more source

ELM mitigation via rotating resonant magnetic perturbations on MAST [PDF]

Journal of Nuclear Materials, 2015
The application of resonant magnetic perturbations (RMPs) produces splitting of the divertor strike point due to the interaction of the RMP field and the plasma field. The application of a rotating RMP field causes the strike point splitting to rotate, distributing the particle and heat flux evenly over the divertor.
Thornton, A. J., Kirk, A., Cahyna, P., Chapman, I. T., Fishpool, G., Harrison, J. R., Liu, Y. Q., Kripner, L., Peterka, M., Team, the MAST   +9 more
openaire   +2 more sources

Dynamics of resistive double tearing modes with broad linear spectra [PDF]

, 2006
The nonlinear evolution of resistive double tearing modes (DTMs) with safety factor values q=1 and q=3 is studied in a reduced cylindrical model of a tokamak plasma. We focus on cases where the resonant surfaces are a small distance apart.
Andreas Bierwage, Bierwage A., Coppi B., Coppi B., Masahiro Wakatani, Parail V. V., Sadruddin Benkadda, Satoshi Hamaguchi   +7 more
core   +2 more sources

Pressure-driven amplification and penetration of resonant magnetic perturbations [PDF]

Physics of Plasmas, 2016
We show that a resonant magnetic perturbation applied to the boundary of an ideal plasma screw-pinch equilibrium with nested surfaces can penetrate inside the resonant surface and into the core. The response is significantly amplified with increasing plasma pressure.
J. Loizu, S. R. Hudson, P. Helander, S. A. Lazerson, A. Bhattacharjee   +4 more
openaire   +2 more sources

A Displacement Sensor Based on a Normal Mode Helical Antenna

Sensors, 2019
This paper presents a passive displacement sensor based on a normal mode helical antenna. The sensor consists of an external helical antenna and an inserting dielectric rod.
Songtao Xue, Zhuoran Yi, Liyu Xie, Guochun Wan, Tao Ding   +4 more
doaj   +1 more source