SP-345 Evolution of the Solar
System
FIGURE 21.8.4.- Burning voltage
Vb versus applied
current I, for hydrogen and nitrogen in the homopolar
experiment. Vb is independent
of current (degree of ionization) up to a maximum value related to
the complete ionization. The plateau defines the limiting voltage
VLm related to the
critical velocity. (From Angerth et al., 1962.)
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