The magnetic pressure is the energy density of the magnetic field and it increases as magnetic field lines convene with each other.
12.
Magnetic pressure should tend to remove field concentrations, causing the sunspots to disperse, but sunspot lifetimes are measured in days to weeks.
13.
CFR plans to achieve high beta ( the ratio of plasma pressure to the magnetic pressure ) by combining cusp confinement and magnetic mirrors to confine the plasma.
14.
If any currents present are parallel to a magnetic field, the field lines follow shapes in which the magnetic pressure gradient is balanced by the magnetic tension force.
15.
At even higher currents, the magnetic pressure can create tensile stress that exceeds the tensile strength of the wire, causing it to fracture, or even explosively fragment.
16.
Where " c s " is the speed of the ion acoustic wave ( or the Alfv�n wave, if the magnetic pressure is higher than the plasma pressure ).
17.
The basic concept can be thought of in a fluid picture as a balance between magnetic pressure and plasma pressure, or in terms of individual particles spiraling along magnetic field lines.
18.
"High beta " implies that the ratio of plasma pressure to the magnetic pressure is 1 ( or even higher ), compared to tokamak designs that reach only . 05.
19.
The terms on the right hand side add up to about " pR " 3, where " p " is the larger of the plasma pressure or the magnetic pressure.
20.
Factors that contributed to the significantly higher beta number include better vacuum conditions, a more powerful neutral beam injection, a lower toroidal field, a higher plasma pressure, and a lower magnetic pressure.
