Sentences with phrase «plasma turbulence in»

Not exact matches

Developed turbulence and nonlinear amplification of magnetic fields in laboratory and astrophysical plasmas

This pattern provides insights into the turbulence in plasma towards the burst.

Newman, who as a teen developed a fascination with turbulence as a rafting guide in Colorado, arrived at Oak Ridge in 1993 to explore a different kind of turbulence: the plasma of fusing hydrogen atoms inside experimental fusion reactors.

They produced a mathematical model showing that turbulence in fusion plasmas, contrary to prevailing wisdom, bears little resemblance to the snarling rivers of Newman's youth.

Going forward, knowledge of these correlations could be used to predict the behavior of turbulence in magnetically confined plasma.

«These simulations take a deep dive into another level to look at how turbulence in one part of the plasma varies with respect to turbulence in another part.»

«This study is an incremental step toward a fuller understanding of turbulence,» said physicist Stewart Zweben, lead author of the research published in the journal Physics of Plasmas.

In each of these discharges, a gas puff illuminated the turbulence near the edge of the plasma, where turbulence is of special interest.

«How donut - shaped fusion plasmas managed to decrease adverse turbulence: Achieving fusion has become more realistic since plasma flow was identified as regulating turbulence in the 1980s.»

Physicists found in the 1980s that toroidally shaped plasmas of the tokamak type offer a path to low turbulence thanks to their ability to self - organise.

But besides having applications to possible power plants, there is still also a lot to investigate in the basic physics of turbulence in 3D inhomogeneous magnetized plasmas.

Chris Bishop of AEA Technology says that the best condition for fusion, where turbulence in the plasma is at a minimum, is also the hardest to set up.

The first is turbulence in the plasma that allows hot particles to reach the edge and so lets heat escape.

They may also be able to use turbulence to disrupt high energy plasma blobs that can rip holes in the reactor.

As a result, we clarified that the influence of the ion mass appeared remarkably in a high - density plasma and that the detailed physical mechanism in which turbulence is suppressed through an effect caused by electron - ion collisions.

As has been clarified above, a complete image of turbulence suppression in a plasma with large ion mass may be expressed schematically.

«Clarifying the mechanism for suppressing turbulence through ion mass: Theoretical research develops significantly towards improved performance in fusion plasmas.»

This is a schematic image of trapped electron instability and the mechanism for the suppression of turbulence in deuterium plasma.

Turbulence behavior in high - temperature plasma confined in the magnetic field is described mathematically through a dynamical equation in five - dimensional space (the three coordinates of space to which two components of particle velocity are added).

Diagnostics supplied by the University of Wisconsin - Madison and the University of California, Los Angeles measured the resulting turbulence, or random fluctuations and eddies, that took place in the plasma.

To analyze how the density gradient affected the strength of the electron turbulence, the team fed information about the plasma's temperature and density into a program run on computers at the National Energy Research Scientific Computing Center, a DOE Office of Science User Facility at Lawrence Berkeley National Laboratory in Berkeley, California.

The model shows that the turbulence in the plasma helps to break up or scatter the fast ion wind.

Hammett was named winner of the Distinguished Research Fellow Award for his work on deepening the theoretical understanding of turbulence in fusion plasmas.

The presence of turbulence in the plasma is widely thought to increase the difficulty of achieving fusion.

Limiting the amount of cool deuterium at the edge of the plasma reduces the difference in temperature between the hot plasma center and the cooler edge, and reduces turbulence.

Experiments show how heating electrons in the center of hot fusion plasma can increase turbulence, reducing the density in the inner core

Hammett specializes in computational and theoretical studies of the complex physics of plasma turbulence and has been a fellow of the American Physical Society since 1997.

However, in a previous study involving Cluster, plasma turbulence was observed in the magnetosheath, the region between Earth's bow shock, where the solar wind meets the magnetic field of the Earth, and the magnetosphere — the magnetic bubble which surrounds it.

Scientists now are teasing out the secrets of complex multi-scaled layers of turbulence in plasmas, the movement of particles through those plasmas, their interaction with magnetic fields, and numerous other phenomena that impact the plasma's ability to be harnessed as an energy source.

The scientists plan to develop detailed simulations of the emergence of the magnetic field from the subsurface of the Sun into its atmosphere, as well as gain a three - dimensional view of plasma turbulence and magnetic reconnection in space that lead to plasma heating.