-
( ): , -
. -
, ,
. -
-
, :
TC = C
D + C
0 q
q + CD,
h 2
(9.6)
.
-
( ), -
, .
, -
, -
.
( )
. 9.9. , -
, , -
. ,
-
, ,
:
1. -
q 0 , .
2. , q 0 -
, ,
i.
3. q 0 -
(. . 9.13, I),
, , -
, -
qt. , -
I qt,
qi = q 0 i, _ q ∈ I;
qi = q Ii, _ q ∉ I.
4. qt. q, - .
. , , - ,
. - . :
1) , , , ;
2) -
.
,
|
|
, .
.
ֳ 1
ֳ 2
ֳ 3
(q)
. 9.13. :
I ; II 1; III 2
, - - . г , .
b, :
= 0 D / q + Chqcp + b scp, (9.7)
q ;
Scp ,
, (t 1),
(q s) / 2. (9.8)
,
q cp = (q s) t 1 / (2 T). (9.9)
t 1 ( D) :
D = (q s) / t 1, (9.10)
D = q / T. (9.11)
t 1 = (q s) / D; = q / D. (9.12)
t1 -
:
(q − s) ⋅ (q − s) / D
2 q / D
(q − s)2
=
2 q
. (9.13)
. t2 s /2, , - :
s ⋅ t 2 /(2 T); (9.14) D = s / t 2; (9.15) t 2 = s / D; (9.16)
s = s ⋅ s / D
s. (9.17)
cp =
2 ⋅ q / D 2 q
-
, :
TC = C D / q + C
+ C.
(9.18)
0 h 2 q
b 2 q
, - : s q. - q - s : q s q s, - .
:
q 2 = 2 C 0 D ⋅ Ch + Cb.
Ch Cb
(9.19)
, - , , :
q 2 = (q *)2 Ch + Cb,
C b
(9.20)
q* -
.
:
s = qCh.
Ch + Cb
(9.21)
, . , - q. :
s 2 = 2 C 0 D ⋅
Cb
Ch.
Cb + Ch
(9.22)
, , , - . ³ , - q. , , - q (q + s):
|
|
TC = C 0
D
q + s
+ Ch
q 2
2(q + s)
+ Cb
s 2
.
2(q + s)
(9.23)
q s, , - , . - :
q 2 = 2 C 0 D ⋅ Ch + Cb = q 2* Ch + Cb
(9.24)
q Cb Cb
:
s 2 = 2 C 0 D ⋅
Cb
Ch.
Cb + Ch
(9.25)
. , , , , - : , . - . , - , .
- , . - .
() -
:
, :
.
h R, R . h - .
, , - , , :
-
,
;
-
;
, -
(
, );
.
, -
:
.
,
,
, . ,
6 %,
94 %. г -
: ,
. ,
-
.
-
,
,
.