.
ρ0,/3 | λ, /2 | δ, | |
1. / | 2500 | 1,92 | 0,220 |
2. | 50 | 0,052 | 0,22 |
3. - | 1800 | 0,76 | 0,02 |
:
1. R0red
:
Dd=(tint*tht)*zht
R0red=a*Dd+b=0,00045*5304+1,9
R0red=4.53 2/
2. :
R0r > R0red
R0gt=R0red=R0con
R0con=1/+δ1/λ1+ δ/λ+ δ3/λ3+1/;
, →[5] .7; =8,7 /2
→[6] . 6; =23 /2
δ= [R0red (1/+δ1/λ1+ δ3/λ3+1/)]xλ
δ= [4,15 (1/8,7+0,220/1,92+0.02/0.76 +1/23)]0,06=0,22()
R0con=1/8,7+0,220/1,92+0,22/0,052+0.2/0.76+1/23=4.75(2/)
:
R0r > R0red.
4.75 > 4.15
, 220 , 442 .
Δt0=[n*(tint-tht)]/(R0gt* ) Δtn=3.0
Δt0=[0.9*(20-(-31)]/(4.75*8.7)=1.23
Δt0 ≤ Δtn
1.23≤3.0
. .
i=0,03. .
. .
- . , . , , . , . - 50 .
.
/ , . 2%. .
. 2 % .
. 1050 . 2 % .
- , - , .
. - 100.
|
|
.
(, , .), | , 2 | |||
1 | 1- , 18108-80 400-2-50-75 5 2- 7,5 γ==1200 /3 30 3- - γ=40/3, 155888-86 - 40 4- | 153,26 | ||
2 | 1- 5 2- 3- - , 150 30 4- 220 | 153,26 | ||
3 | 1- 2- - , 200 30 3- - , 200 20 4-- 10296-79 5- - γ=40 /3-40 6- - 220 | 81,17 | ||
4 | 1-- 20 2- | 2,97 | ||
5 | 1- 2- - , 200 30 3- - , 200 20 4-- 10296-79 5- - 220 | 81,17 |
.
, . 1015% 11,5% , .
. . , , .
, - : , , , . , , . / , , . .
, . 12..20%, , , .
.