Environmental Engineering Reference
In-Depth Information
Figure 6.6
The part of the screening charge
owing to trapped ions as a function of the
reducednumberdensityofionsforaparti-
cleinanionizedargonwith
T
e
T
i
D
400 K. Open circles correspond to the
case when free ions dominate, and closed
circles relate to the case when trapped ions
dominate.
D
1eVand
Figure 6.7
The reduced size of the particle
field in an ionized argon as a function of the
reduced number density of electrons with
T
e
respond to the case when free ions dominate,
and closed triangles relate to the case when
trapped ions dominate.
D
1eVand
T
i
D
400 K. Open triangles cor-
particles. In an equilibrium plasma (
T
e
6, and the
above effects are mixed. Thus, trapped ions are of importance for a rare plasma but
not for a dense plasma.
D
T
i
)wehave
R
0
/
r
0
X
5