Popis: |
The dominant losses from hot electron plasmas in the Princeton linear quadrupole device have been found to be radially outward. When this nonclassical radial loss was studied in detail, a surprising amount of variation was found in the amplitude of the loss rate as seen moving parallel to the current‐carrying conductors, which led to the further discovery of spatial variations of internal plasma parameters, particulary plasma density. Efforts to correlate the anomalously large loss zones with local perturbations, obstructions, fluctuations, or variations in plasma heating and ionization were only partially successful. The periodic structure in plasma density and charged‐particle loss rates apparently reflects stable, internally supported modes that have lifetimes longer than the plasma lifetime presently being considered; i.e., > 10τBohm. |