13264
: -113
..
:
..
2016 .
1. .
:
2-300 | |
U, | |
r0, , | 2,64 |
, , | |
d, , | |
hk, | |
f, |
: ().
:
1. .
β | |
k | 1+2(r0/a)= 1+2(2,64/40)= 1,132 |
r | = = |
2. a, /
akk = 0,018Ln(2h/r); aik = 0,018Ln(Dik/dik); Dik =
. h = hk - 2f/3, f - .
h = hk - 2f/3=69-2*4/3=66,33
a11 = a22= a33=0,018Ln(2*(6633)/10,3)=0.129
a12 = a13 = 0,018Ln( / 64)=0.015
a23 = 0,018 Ln( / (2*64))=0.0065
3. βij
, , ,
, , ,
,
, ,
4. .
1 = q1 /U = - ( + ) / 2;
C2 = q2 /U = - ( + ) / 2;
C3 = q3 /U = - ( + ) / 2.
1 =7,98 - (-0.883+ -0.883) /2=8.863 /;
C2 = 7,98 - (-0.883+ -0.295) /2=8.569 /;
C3 = 7,98 - (-0.883+ -0.295) /2=8.569 /.
5. ,
U = Umax* / = 672* / =548,7 B, Umax = 1,05U = 1,05*640 = 672 B
q1 = 1U = 8,863*548,7 = 4,9*106 /
q2 = q3 = 2U = 383,5*253 = 4,7*106 /
6.
1 = 0,018q1 / (nro)=0,018*4,9*106/(2*2,64) = 16,6 B/
E2 = 3 = 0,018q1 / (nro)=0,018*4,7*106/(2*2,64) = 16 B/
7.
1max = k1,=1,132*16,6=18,8 /
2max = k2c,=1,132*16=18,1 /
8.
= 23,3 m δ (1 + (0,62 / (r0,32δ0,3)))=23,3*0,6*1,013(1+0,62/(
* )) = 20.6 /
9. max : .. , .
2. .
:
U0, | |
L, | 1,8 |
P, | |
t, | +70 |
, /3 |
: , t .
:
1. , .
|
|
m n w .2.1. 1, w - 2.
.
, /3 | ||||||
k | 1,15 | 1,08 | 1,0 | 0,95 | 0,9 | 0,85 |
2. .
1.1 m n: m=0,9; n=0,9
3. .
= = =0,9458 0=100
Kt= = =0,8678
4. .
y=3 / , k=1,108
ω: ω = 0,8
5 .
Ky= = =1,085
6. .
U=U0(Kp*Kt/Ky)=800(0,944*1,104/1,079)=605,2 .