The revision, reported in July in the journal Plasma Physics and Controlled Fusion, employs a subprogram called a «kick model» to simulate the movement of fast ions caused by
instabilities in the plasma.
The new capability, developed by physicist Mario Podestà at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL), outfits the code known as TRANSP with a subprogram that simulates the motion that leads to the loss of energetic ions caused by
instabilities in the plasma that fuels fusion reactions.
As a consequence,
instabilities in the plasma motion and magnetic field occur.
When used on tungsten surfaces in fusion devices, lithium can reduce periodic
instabilities in plasma that can damage the reactor walls, scientists have found.
«Here we've shown that we can control optical
instabilities in plasma so that rather than randomly scattering energy, they put it where we want it and do so with good collimation and high intensity, producing a bright beam that can be delivered to another target.
Not exact matches
Kinetic simulations and reduced modeling of longitudinal sideband
instabilities in non-linear electron
plasma waves
Collisional effects
in the ion Weibel
instability for two counter-propagating
plasma streams
Observation of magnetic field generation via the Weibel
instability in interpenetrating
plasma flows
Observation of a Kelvin - Helmholtz
Instability in a High - Energy - Density
Plasma on the Omega Laser
Measurements of turbulent mixing due to Kelvin - Helmholtz
instability in high - energy - density
plasmas
Second is
instability: the fact that hot
plasma doesn't like being confined and so wriggles and bulges
in attempts to get free, eventually breaking up altogether.
The second kind of
instability (called the mode) causes changes
in the entire
plasma.
This is a schematic image of trapped electron
instability and the mechanism for the suppression of turbulence
in deuterium
plasma.
In particular conditions those waves grow as time passes, and the so - called «
instability» occurs and the
plasma becomes turbulent.
about Lithium — it's not just for batteries: The powdered metal can reduce
instabilities in fusion
plasmas
For example, there was widespread concern based on work by theorists
in the early 1970s that certain «drift
instabilities»
in fusion experiments would cool the
plasma and prevent tokamaks from reaching the conditions necessary for fusion to occur.
The researchers found something they had not anticipated that had not previously been seen
in the laboratory: When the two
plasmas merged they broke into clumps of long thin filaments due to a process called the «Weibel
instability.»
In January 2007, physicist Robert Erhlich, who has been modelling Sol's core based upon recent work on magnetic instabilities (Grandpierre and Ágoston, 2005), published calculations on how core magnetic fields may produce small instabilities in the Solar plasma that would induce localized oscillations in temperatur
In January 2007, physicist Robert Erhlich, who has been modelling Sol's core based upon recent work on magnetic
instabilities (Grandpierre and Ágoston, 2005), published calculations on how core magnetic fields may produce small
instabilities in the Solar plasma that would induce localized oscillations in temperatur
in the Solar
plasma that would induce localized oscillations
in temperatur
in temperature.