UNCLASSI FI ED
Figure 1: gives the electrical characteristics of the chatver at
various altitudes. The charger dimensiona ere &" long by 7.875"
diameter, having a wire of .012" diameter, WMeglecting endleffects
oo rad
a
ia
— asa
*~eq
»
6
S sm.
a ae
a)
170 x 10-6 x30?
.
8 xz 2.Sk
at 100,000 rhet
giving a value of 2.62 x 104 () the mobility at
100,000 feet
.
=
600x
(2
: ia
(2.62 x-
= 1.1 Esv.
600 x 2 x
273 * m
The actual observed voltage divided by the radial distance] from wire
to cylinder gives a figure agreeing within 20% of the calchlated
‘3)
Mgure which for our purposes is sufficiently good.
Por equation (5), the fon density in the charging device
This can be calculated by assuming « linear potential di
as given by Pauthenier for this case.
If = = E is constant then the velocity of the ions is
"
Ronstant
and given by
*
%
"
:
“ve
8
ky (2)
P
213
273
Be
§.8.x 104 cn/se
the tire to treverme distance dr from the vire towa
eylinder is then
“yet
the
dr
hs
+~:=>
:) £:
“4
pe.
during this time a charge Q © it has filled al cn l
fo
3
eylinder dr in “oe thickness. The vane of the cha
iar
will then be poy ope
ae* TFET at a radi
ug
- .
hee
tae
ac! - ‘
ey. a ae
ve
of the
density
Pe
Asguming particles entering at 1/2 cmM radius, then the lion
density No at this redius is
hen
’
a
*
oe”
OTE k
3 (or)13\er
°
ae
Qe
#
r
eee
ay at
4
a
oe +. .
i
b
ag
erm
required.
batien
UNCLASSIFIED
00131986 .071
1651100