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pro vyhledávání: '"Hassam, A. B."'
The centrifugal mirror confinement scheme incorporates supersonic rotation of a plasma into a magnetic mirror device. This concept has been shown experimentally to drastically decrease parallel losses and increase plasma stability as compared to prio
Externí odkaz:
http://arxiv.org/abs/2304.01496
Autor:
Drake, J. F., Pfrommer, C., Reynolds, C. S., Ruszkowski, M., Swisdak, M., Einarsson, A., Thomas, T., Hassam, A. B., Roberg-Clark, G. T.
Transport equations for electron thermal energy in the high $\beta_e$ intracluster medium (ICM) are developed that include scattering from both classical collisions and self-generated whistler waves. The calculation employs an expansion of the kineti
Externí odkaz:
http://arxiv.org/abs/2007.07931
Autor:
Hassam, A. B., Huang, Yi-Min
In magnetized plasma situations where magnetic fields intersect massive conducting boundaries, "line-tied" boundary conditions are often used, analytically and in numerical simulations. For ideal MHD plasmas, these conditions are arrived at given the
Externí odkaz:
http://arxiv.org/abs/1812.09262
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Autor:
Sengupta, W., Hassam, A. B.
An initial radial electric field, $E_r(0)$, in an axisymmetric tokamak, results in geodesic acoustic mode (GAM) oscillations. The GAMs Landau damp, resulting in a much smaller final residual electric field, $E_r(\infty)$, and accompanying parallel zo
Externí odkaz:
http://arxiv.org/abs/1602.04366
Publikováno v:
Physics of Plasmas 18, 122103 (2011)
The stability of the ideal magnetohydrodynamic (MHD) interchange mode at marginal conditions is studied. A sufficiently strong constant magnetic field component transverse to the direction of mode symmetry provides the marginality conditions. A syste
Externí odkaz:
http://arxiv.org/abs/1211.5152
Autor:
Bagaipo, Jupiter, Hassam, A. B.
Publikováno v:
Phys. Plasmas 20, 020704 (2013)
It is shown that small distortions on the boundaries are amplified in the core of a magnetized plasma if the system is close to marginal stability for the ideal magnetohydrodynamic interchange mode. It is also shown that such marginal systems can be
Externí odkaz:
http://arxiv.org/abs/1211.5071
Autor:
Hassam, A. B., Kleva, R. G.
Collisionless geodesic acoustic modes in tokamaks being supersonic for large "safety factor" q, the CGL (G. Chew, M. Goldberger, F. Low, 1956)1 double-adiabatic fluid closure is applied to formulate a theory for these modes. The basic linear normal m
Externí odkaz:
http://arxiv.org/abs/1109.0057
Autor:
Hassam, A. B., Rodgers, J. C.
A cylindrical system is proposed that will store magnetic energy in a localized azimuthal field that can then be quickly released on Alfvenic timescales, accompanied by the formation of a flowing Z-pinch plasma. The magnetized plasma is MHD in charac
Externí odkaz:
http://arxiv.org/abs/0906.1134
Autor:
Hassam, A. B.
A "carpet" of torsional Alfven waves, resonantly excited in an annulus inside a toroidal conducting vessel, could maintain magnetized plasma inside of the annulus against the inherent outward expansion. Such toroidal magnetic confinement for fusion c
Externí odkaz:
http://arxiv.org/abs/0711.0791