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