Z | |
( ) , , , , , | 1,0 0,5 0,3 0,3 0 |
r t, × -3,
r = / V0(1+0,00367t), (7.2)
, × -1;
V0 , 22,413 3× -1;
t , , 61 ;
, % (),
=100 / (1+4,84b), (7.3)
b = nc + ;
nc, n, nx, n0 , , .
, ; 3.
m,
m=(Va+V)× r , (7.4)
Va , , 3;
V , , 3.
Va = 0,01× 1× V,
1 , ;
V , 3;
V = V1 + V2,
V1 , , 3;
V2 , , 3.
V1=q× ',
q , , 3/;
' , (. ).
V2=0,0314× z× (r12× L1++rn2× Ln),
z , ;
r , ;
L , .
m,
m = mp + m + m.., (7.5)
mp , , ;
m , , ;
m.. , , , .
(7.5)
m = W× Fn× T, (7.6)
W , × -1× -2;
Fn , 2.
W
W=10-6× h × × , (7.7)
h , . 7.3 ;
t, , .
7.3
|
|
, × -1 | h t ( )
| ||||
10 | 15 | 20 | 30 | 35 | |
0 0,1 0,2 0,5 1,0 | 1,0 3,0 4,6 6,6 10,0 | 1,0 2,6 2,8 5,7 8,7 | 1,0 2,4 3,5 5,4 7,7 | 1,0 1,8 2,4 3,6 5,6 | 1,0 1,6 2,3 3,2 4,6 |
m ,
=× +1, (7.8)
, , -1.
D 5 , , 5 .
, .
V=0,07 3. d=0,05 3 10 . q=0,01 3× -1. . 10000 3 (48248,7). (D = 25 ). =10 -1. 1,0 × -1. 293 . r =792 × -3.
1. , 2 ,
V=qt +()× L1=0,01× 2+()× 13=0,046 3.
V=V+V= 0,046+0,07=0,116 3.
- S 116 2.
m=V× r =0,116× 792=91,9 ,
r .
W=10-6× h × =10-6× 7,7× × 24,54=1,44× 10-3 × -1× -2.
- 116 2
=m/(W× S)=91,9 / (1,44× 10-3× 116)=550 =0,153 .
- t
r = / V0(1+0,00367t) = 58,08 / (22,413(1+0,00367× 61)) =
= 2,117 /3.
- b =4
=100 / (1+4,84× 4)=4,91 % .
V=0,8V=0,8× 10000=8000 3.
- ,
m=W× F× T× -1=1,44× 10-3× 116× 550× 2,53-1=36,3 ,
=× +1=10× 0,153+1=2,53.
- D
D (3,48 ) < 5 , .
[7.4] 5 , .
1-4 ?
, 7.4.
7.4