, .
, , - , .
: .
2.1:
2.1
, | , | , | , | , /c | |
1.8 | 7.9 3.4 3.5 0.9 |
fi, :
1/ (, , , , , , .):
fi = 4(1 + u)1100(100 + z×H)-1, (2.1)
H , ;
u , / ( u , u = 3 /);
z , (2.2):
z= 1 + ∆T/75, (2.2)
∆T (∆T=80.3).
, 1 20 / (, , .):
fi = 4(1 + u)1[1000/(60 + z×H)]1/2 (2.3)
, 20 / (, , .) fi = 10
:
z=2.07
f() = 0.74
f() = 10
f( ) = 0.74
f( ) = 0.74
i- Mi* :
Mi* = ai ×mi, (2.4)
ai i- −
ai = (2)/i (2.5)
mi i- , /;
(2) - 2, , 3 /3;
i i- .
(2.6)
, ( =2.361)
|
|
N .
:
2.1
fi | ai | mi, / | Mi, / | |
0.74 | 249.34 | 18701 | ||
0.74 | 107.2 | 107.2 | ||
110.37 | 662.25 | |||
0.74 | 28.38 | 85.14 | ||
y = 11538 |
2.2 .
Wj, 2 | Σ | |
101,334 | 4,737 | |
23,950 | ||
( ) | 40,336 | 0,25 |
1- | 27,731 | 0,2 |
2- | 37,815 | 0,1 |
n=47,368 /; σ=2,361 |
, .