, . .
. , :
Qk = kF(tk - tWcp); (6.1)
Qk = Gwcw(tw2 - tW1), (6.2)
Qk - ; k - ; F - ; tk - ; tWcp - ; Gw - ; cw - ; tw1, tW2 - .
( , ), ..
tWcp = .
(6.1) (6.2) tw2, t :
t = tw1 + Qk(1/2Gwcw + 1/kF). (6.3)
(6.3) . tw1 Qk . , . (6.3) , .
tk-Gw, pk-Gw. . 6.1, . , , Gw tkmin, (6.3), Gw → ∞.
. 6.1. :
- ; - ;
-
, . . 6.1, . , . .
() , (. 6.1, ). , . , .. σ = - . Δw (. . 6.1, ), . :
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, (6.4)
- .
. 6.1, ( GWm1, GWm2 GWm3). , , ( ). .
, ( V Gw ΔW, V). :
(6.5)
(. 6.2). GWmax , tw1.
, , ΔW (), .
(6.6)
.. , ( - ). , . Vmax (. (6.4)).
(. . 6.2) ΔWp1, ΔWp2 ΔWpmin. G1, G2 GWmax, , . .
. 6.2.
(. (6.3) . 6.1, ) , - Qw . . . 6.3 tW1max tW1min. . . p Gw . pKmax Kmin.
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, GWmax pKmax Kc.
, .
, , . tW1min Qkmin.
. 6.3.
-
, , . . - . , .
, , , . .
, ,
w = Gww,
Ce = Nee,
w - .
Gw = f () (6.5), N - .
= w + . (6.7)
, : tW1min, tW1cp tW1m - , (. 6.4).
. 6.4.
, (6.7), , . .
:
1) GWmax V (. (6.3) . 77)
2) Δw0 (. (6.4) . 78), ;
3) (. (6.2) . 76)
;
4)
5) , .
, 0,05-0,1 , .
, , - . . , . . (. 6.5).
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. 6.5.
(. . 6.4) . , . . .
, . , . , , , , .. .
, (. 6.6, ). , σ. (. 6.6, ). , . tw1 tw2, .
. 6.6.
:
- ; - ;
-
- (. 6.6, ). tw2 Gw . ( tw2) (6.2) (. . 76):
tw2 = tw1 + Qk / Gwcw, (6.8)
tw1 Qk .
Qk = nst, tw1min tw1m , . , .
, tw1m tw1min , Gwm Gwmin, -. tw2m tw2min. σ = tw2m - tw2min.
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, ( ). , . - , . , , tw2, . (. . 6.6, ), :
t ≥ tw2min; tw2min = tw2m - σ. (6.9)
tw2m (6.8) tw1 = tw1m Gw = GWm.
, , (6.9). 5-10 . , 4-8 , 10-15 .
( , , ), . .