SP-345 Evolution of the Solar System

 

 

FIGURE 21.8.6.- Experimental arrangement for critical velocity measurement used by Danielsson. The left part is a plasma gun, emitting a magnetized plasma with a velocity v0. In a long drift tube, the longitudinal magnetization is changed to transverse magnetization A thin cloud of gas is injected through the gas valve. If v0 is below the critical velocity, the plasma beam passes through the gas cloud with very little interaction be cause the mean free path is long. If v0 is above the critical velocity, there is a strong interaction, bringing the velocity to near the critical value At the same time, the gas cloud becomes partially ionized. (From Danielsson, 1969b.)
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