, , . , .
, . , ( / ) , ( / ).
:
. (3.29)
t (3.15),
. (3.30)
, , : , , ; , , . , :
U = f (q γ)
y = ax, (3.31)
a = βV / (l + βV t -);
U = f (βV)
y = ax / (b+ cx) (3.32)
a = q γ; b = l ; c = t -;
U = f (l )
y = a / (x + c) (3.33)
a = q γ βV; c = βV t -;
U = f (t -)
y = a / (b + cx) (3.34)
a = q γ βV; b = l ; c = βV.
(3.30) , , ; . . 3.2 3.5.
, , , (. . 3.2).
(. . 3.3). , , .
, - . (. . 3.4).
|
|
, , ( , ). - . . 3.6.
, ; , . , - (), , .
1
- , 100 , I 10 5, 7 9, 5 4, 4 8.
14 , 5 .
, . 7 (, , ).
-
= 100 365 + 10 (45 + 91 + 92 + 92 7) 5 (45 + 91 + 92 + +92) + 7 (45 + 92 + 92 7) 9 (45 + 92 + 92) + 5 (46 + 92 7) 4 (46 + 92) + 4 (46 7) 8 46 =
= 36500 + 3130 1600 + 1554 2061 + 655 522 + 156 368 = = 37444.
A =37444 / 365 = 102.
-
= 14 365 = 5110.
-
= 5 365=1825.
-
= 37444 5110 1825 102 (52 2 + 10) = 18881,
(52 2 + 10) = 114 .
:
a = (37444 5110) / 37444 = 0,86;
a. = 18881 / 37444 = 0,50;
a = 18881 / (102 (365 114)) = 0,74.
2
D (. 1). . .
:
L;
l ;
L l ;
b b .
l = l AB + l BC + l CD + l DA = 19 ;
l = l AB + l CD= 11 ;
b = l / l = 11 / 19 = 0,58;
L = l - + 3 l l DA + l D- = 66 ;
L = 3 (l AB + l CD) = 33 ;
b = L / L = 33 / 66 = 0,5.
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3.
: , , , , : V V, :
. . 1;
( . 1 2).
, , , . , (12.10 13.10):
= 17.25 08.20 1 = 8.05 (8 05 ).
(08.32) (16.50) :
= 16.50 08.32 1 = 7.18 (7 18 ).
-.
.
t -i, , , (. . 2, 2832).
T n-p = 284 = 4 44 .
= - = 8.05 4.44 = 3.21 (3 21 ).
, , , , . , , n = 6,
= (16.50 08.20 1.00) / 6 = 1 15 .
. , , , ,
= (17.25 08.32 1.00) / 3 = 2 38 .
:
V = 66 / 3,35 = 19,7 / ;
V = 66 / 8,08 = 8,2 / .
4.
, - -5320, 5,46 ; V 3.
- - 1 12 , 1 2 . 4 , - 5 . = 1,1.
. 2.
() (. 3.16)
t (i) = (12 + 5 2) 1,1 + 4 + 5 = 33 = 0,55 .
4 5 - .
(3.15)
t e = 12 / (0,5 19,7) + 2 0,55 = 2,32 .
.
8 00 , - 18 5 ,
= 8 00 23 = 7 37 = 7,62 ,
n e = [7,62 (7 + 14) / 19,7] / 2,32 = 2,82.
, , , . , , , ,
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|
= (7 + 14) / 19,7 + (3 12 + 2 12) / 19,7 + 6 0,55 = 7,4 .
, , ≤ 7,62 , n e = 3.
Q = 5,46 ;
t e = (7,4 7 / 19,7) / 3 = 2,35 ;
U = 5,46 / 2,35 = 2,32 / ;
U . = 5,46 3 = 16,38 / .;
e = 5,46 12 = 65,52 ;
W = 2,32 12 = 27,84 / ;
W .= 16,38 12 = 196,56 / ..