' .
- , (t ,)/;
tn - , ;
tp - , ;
, ;
.
'
,
:
Pt=P1∙t-a, (7.1)
1 , 1 , /,
t , , ;
= 0,4 ( );
:
P1=P1∙ta=P∙Kt (7.2)
t, - (t) 1 (. 1, . 1).
(. la, 16), .
, , (1) (. 1,):
(7.3)
tK (tK=tn+tp).
, : P1∙ta-1=P1∙tn=Pn ∙tn; P1∙ta-1=P1∙tk-a∙tk=Pk ∙tk, :
(7.4)
n , /;
, /.
a) )
. 7.1 :
(7.5)
(7.6)
n - ( (7.2)) / tk (. 1, . 1).
( . 7.1,6).
(7.7)
- (tp) , /.
(7.8)
, :
(7.9)
1
6.00 . г
(=10) 6 . 15 . 100 /. 3 . , 2 ? , , =10 P.
'
1) ( 7.00):
t=6 . 15 .- . = 15 . = 0,25 .;
tn = 2 .
tk = tn+tp = 2 + 3 = 5 .
2) 3 1 (Kt) ( , =0,4, );
|
|
: t = 0,25 ., , = 0,57;
: tn = 2 .,1, = 1,31;
: tK =5 ., , =1,90.
3) (7.2) :
1×t, = 100×0,57=57 /.
4) (7.5, 7.6) :
P/
P/
5) :
) (7.4) =0,4:
) (7.7):
.
6) ³
:
.
, 10,5,
10 .