Results 21 to 30 of about 119,492 (297)

Extension and its characteristics of ECRH plasma in the LHD

open access: yes, 2004
One of the main objectives of the LHD is to extend the plasma confinement database for helical systems and to demonstrate such extended plasma confinement properties to be sustained in steady state.
A Komori   +78 more
core   +1 more source

Experimental and numerical modeling of plasma start-up assisted by electron drift injection on J-TEXT

open access: yesNuclear Fusion, 2023
Start-up is one of the critical phases for tokamak discharge. The electron drift injection (EDI) system has been developed on J-TEXT for start-up studies.
Junli Zhang   +14 more
doaj   +1 more source

Confinement Efficiency and Stability of a Toroidal Magnetized Plasma Device with Sheared Magnetic Field Lines using an Internal Ring Conductor

open access: yes, 2012
In a new toroidal laboratory plasma device including a poloidal magnetic field created by an internal circular conductor, the confinement efficiency of the magnetized plasma and the turbulence level are studied in different situations. The plasma density
Pierre, Thiery
core   +5 more sources

High Energy Electron Confinement in a Magnetic Cusp Configuration

open access: yes, 2014
We report experimental results validating the concept that plasma confinement is enhanced in a magnetic cusp configuration when beta (plasma pressure/magnetic field pressure) is order of unity.
Alderson, Eric   +8 more
core   +2 more sources

Breakdown of adiabatic invariance in spherical tokamaks [PDF]

open access: yes, 2001
Thermal ions in spherical tokamaks have two adiabatic invariants: the magnetic moment and the longitudinal invariant. For hot ions, variations in magnetic-field strength over a gyro period can become sufficiently large to cause breakdown of the adiabatic
Alfvén H.   +4 more
core   +2 more sources

Available energy of magnetically confined plasmas [PDF]

open access: yesJournal of Plasma Physics, 2020
The concept of the available energy of a collisionless plasma is discussed in the context of magnetic confinement. The available energy quantifies how much of the plasma energy can be converted into fluctuations (including nonlinear ones) and is thus a measure of plasma stability, which can be used to derive linear and nonlinear stability criteria ...
openaire   +3 more sources

Collisional-Radiative Model for the visible spectrum of $W^{26+}$ ions

open access: yes, 2015
Plasma diagnostics in magnetic confinement fusion plasmas by using visible spectrum strongly depends on the knowledge of fundamental atomic properties. A detailed collisional-radiative model of W$^{26+}$ ions has been constructed by considering radiative
Ding, Xiaobin   +7 more
core   +1 more source

Organizing the interface—Plasma membrane architecture and receptor dynamics in virus‐cell interactions

open access: yesFEBS Letters, EarlyView.
Plasma membranes contain dynamic nanoscale domains that organize lipids and receptors. Because viruses operate at similar scales, this architecture shapes early infection steps, including attachment, receptor engagement, and entry. Using influenza A virus and HIV‐1 as examples, we highlight how receptor nanoclusters, multivalent glycan interactions ...
Jan Schlegel, Christian Sieben
wiley   +1 more source

Plasma confinement at JET

open access: yesPlasma Physics and Controlled Fusion, 2015
Operation with a Be/W wall at JET (JET-ILW) has an impact on scenario development and energy confinement with respect to the carbon wall (JET-C). The main differences observed were (1) strong accumulation of W in the plasma core and (2) the need to mitigate the divertor target temperature to avoid W sputtering by Be and other low Z impurities and (3) a
Nunes, I.   +224 more
openaire   +4 more sources

Potential therapeutic targeting of BKCa channels in glioblastoma treatment

open access: yesMolecular Oncology, EarlyView.
This review summarizes current insights into the role of BKCa and mitoBKCa channels in glioblastoma biology, their potential classification as oncochannels, and the emerging pharmacological strategies targeting these channels, emphasizing the translational challenges in developing BKCa‐directed therapies for glioblastoma treatment.
Kamila Maliszewska‐Olejniczak   +4 more
wiley   +1 more source

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