1. . .
2. . m , . , ∙:
= 716,2 N/n.
m = / M
M (. . 11.1).
3.. -500. , , 1045 /. N = 775 . . , ,
= 716,2 ∙ N/n;
= 716,2 ∙ 775/1045 = 530
, , 6 /2, n = 1045 / -500 , 630 ∙.
m = / M = 630 / 530 =1,19,
.
4.. - -500, , N = 320 , n = 985 /.
, , ∙:
= 716,2(320∙1,36)/985 = 316,
1,36 1 1 . .
, = 2, , ∙: = 2 = 2 ∙ 316 = 632.
-500,. 6 /2 n = 985 / = 670 ∙.
m = 670 / 632 = 1,06.
-500 , 2-500 .
5. , .
, /텅.n
, . ..N
, ∙셅
, /2 ...
, 셅..D
, 셅...
, 셅
..0,325
, ㅅ..G,
, 셅.D
5.2. . ( ) ( ), :
Q = ∙D ∙ ∙.
, :
F = 0,001118∙G∙r∙n2,
r (r = 0,365).
: Q = Q F.
, () , : = Q ∙
, ∙: = ∙D / 2.
|
|
5.3. . : n = 555 /; N = 1085 . .;
= 716,2 ∙ 1085 / 555 = 1400;
=6 /2; =200 ; D = 782 ; =0,325; G = 37 .
, :
Q = 3,14*78,2*20*6 = 29500.
, , :
F = 0,001118*G*r*n2.
F = 0,001118*37*0,365*552 = 4650, r = 0,365 .
( ) , : Q = 29500 4650 = 24850.
, : = Q ∙ = 24850*0,325 = 8080.
(, ), *: = *D / 2 = 8080*0,70 / 2 = 2830,
:
m = 2830 / 1400 = 2,02.
, .