Q , /;
=1/. ;
ρ () , /3, , ρ=353/(273+tn);
t, tn .
: 18000/, tn =140.
: G =18000/;
tn =140, =1/..
г.
1. ٳ
2. .
, δ , 17-19 ( 12.1.005-76).
3.
. -.
.
1. L , .
2.
ρ=353/(273+t)
3. V (/) , :
h (h 3)
t1-t2 , .;
μ 0,5 , , ;
q=9,8/2 ;
h ;
Px, Pm () () , /3;
4. ,
S=L/360V2
5. , , , S.
n=Sc/S
0,70,7, , 3,5, +80, 240, 115743/
: L=115743/, Smp=0,7x0,7=0,49
h=3,5; tm=+80C, tx=-240C
г.
1.
=353/(273-24)=1,428/3
=353/(273+8)=1,256/3
2.
3.
Sc=11,574/36001,4=2,33
N=2,3/0,49=4,69
4. ʳ : 5 .
3/.
2-3 | 4-6 | 2-3 | 3 |
- 1,5-2 | 1,5-2 | 2 | 10 |
3-4 | 2-3 | - 1,5 | |
4-6 |
>3 , >5. <3 , =3-5 >5 .
|
|
18124, , 20003/.
: L=20003/, ᒺ 18124=8643
г.
:
L , 3/; V ᒺ , 3