Results 11 to 20 of about 3,138 (265)
Enhanced sensitivity in nonlinear parity-time symmetric silicon micromechanical resonators [PDF]
Microsystems & NanoengineeringSilicon resonant sensors are essential to a wide range of applications that involve the detection of pressure, acceleration, and magnetic fields.
Yu-Jue Xie +4 more
doaj +2 more sources
Response of a magnetically diverted tokamak plasma to a resonant magnetic perturbation
Nuclear FusionThe safety-factor profile of a magnetically diverted tokamak plasma diverges logarithmically as the magnetic separatrix (a.k.a. the last closed magnetic flux-surface) is approached.
Richard Fitzpatrick
doaj +3 more sources
Observation of Hysteretic Magnetic Island Response to Resonant Magnetic Perturbation in LHD
Plasma and Fusion Research, 2014 The hysteretic magnetic island response to an externally applied resonant magnetic perturbation (RMP) field is observed in the LHD. Thresholds of the amplitude of the RMP for the growth/healing transition of the magnetic island differ. In the case that the RMP is ramped up, that field is initially shielded and the magnetic island is healed. After that,
Yasuhiro Suzuki +2 more
exaly +3 more sources
Pedestal collapse by resonant magnetic perturbations
Nuclear Fusion, 2021 Abstract Pedestal collapse (i.e., the complete loss of the edge transport barrier (ETB)) in DIII-D H-mode plasmas occurs when resonant magnetic perturbations (RMPs) penetrate the steep gradient region at the plasma edge. Normally, RMP driven magnetic islands can occur at the top and bottom of the H-mode pedestal and these islands ...
R. Nazikian +11 more
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Plasma turbulence simulations in a diverted tokamak with applied resonant magnetic perturbations
Nuclear Fusion, 2023 The first results of three-dimensional, flux-driven, electrostatic, global, two-fluid turbulence simulations of a diverted tokamak configuration with applied resonant magnetic perturbations generated by a set of saddle coils are presented.
T. Boinnard +3 more
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Direct effects of the resonant magnetic perturbation on turbulent transport [PDF]
Nuclear Fusion, 2016 Abstract The effects of the resonant magnetic perturbations (RMPs) on the turbulent transport are analyzed in the framework of the test particle approach using a semi-analytical method. The model includes particle collisions. The influence of the RMPs on plasma confinement is determined as function turbulence parameters and of ...
Vlad, Madalina, Spineanu, Florin
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IEEE Journal of Microwaves, 2021 Ferromagnetic materials, such as ferrites, are employed for magnetically tuned radio frequency (RF) circuits. Ferrites exhibit both electric permittivity and magnetic permeability and independent RF characterization of these two properties is crucial for
Khaled Ali Alhassoon +2 more
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Nuclear Fusion, 2023 3D resonant magnetic perturbation (RMP) is one promising way to control edge localized modes that can cause excessive material erosion of tokamak first walls.
S.M. Yang +5 more
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Suppressing magnetic island growth by resonant magnetic perturbation [PDF]
Nuclear Fusion, 2018 The effect of externally applied resonant magnetic perturbations (RMPs) on the growth of magnetic islands is investigated based on two-fluid equations. It is found that if the local bi-normal electron fluid velocity at the resonant surface is sufficiently large, static RMPs of the same helicity and of moderate amplitude can suppress the growth of ...
Yu, Q., Günter, S., Lackner, K.
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Penetration properties of applied resonant magnetic perturbation in HL-2A tokamak
Nuclear Fusion, 2023 Any arbitrary perturbation on a magnetic field separatrix can cause a structure named homoclinic tangle in tokamaks. Both an edge localized mode (ELM) and a resonant magnetic perturbation (RMP) can lead to a perturbation of the magnetic field on the ...
X. Wang +5 more
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