1. , , I = 200 (. 3.6). , r0 = 4 , r1 = 8 r2 = 16 . (g1 = 58 /), (g2 = 34 /).
. . .
. , , (3.3). . (0 £ r £ r0) . (r0 £ r £ r1), r , . , , (3.3) :
(r1 £ r £ r2)
, d1 d2
.
d1 = 396.5 /2, d2 = 232.4 /2.
(r2 £ r £ ¥) :
. 3.7.
, , .
(3.7) (3.8) . . , , ( z) r. , :
r, :
1lnr , r = 0. , 1 = 0. . : 8 = 0. . .
|
|
, (3.6) :
, :
, : 2 = 1.845×10-4; 3 = 3.986×10-4;
4 =2.085×10-4; 5 = -2.612×10-6; 6 = 1.733×10-4; 7 = -4×10-4.
. 3.8 . . 1 = 1.845×10-4 /.
, , .
(3.10), , , , , :
.
, ( ) : L = /I = 95.5×10-9 /.
2. I = 2700 , R = 28 . 2d = 20 (. 3.9).
. , . , . , (0 £ r £ R) :
,
(R £ r £¥)
(1 = 2, r = R) (d1/dr = d2/dr, r = R)
, :
, (. 3.9)
( , )
(3.6)
= 10 . 3.10.
, ,
,