LANDAU FLUID MODEL OF MULTI-STREAM INSTABILITIES AND APPLICATION TO PLASMA CONTACTOR PLUMES

摘要

Linear stability of the plasma structure in a contactor plume, which includes an intermediate DL, is here analyzed by formulating a macroscopic model that includes correctly the effects of Landau resonance. Different electrostatic instabilities can develop in the two different tree-species, quasineutral plasmas formed at both sides of DL. For large contactor potentials, it is found that the plume develops an electron-electron instability, whereas a radial ion-electron macroinstability of the Buneman type does not set up.