() T,s- h,s- .7.22 7.23. 1-2, 3-4 5-6. .
i. , hi , hi , cti .
hoi hoi. :
; (7.33)
. (7.34)
, h:
.
, 1-2, 3-4 5-6:
;
;
.
, , 6-1 2-3:
q1i=ho-cti+h-hi. (7.35)
, , 4-5:
q2i=hi-ct.
l i= l i+ l i=ho-hi+h-hi=hoi(ho- h)+hoi (h- h). (7.36)
, :
li=cti-ct=l/h.
:
li=li-li= q1i- q2i.
.
. (7.37)
(7.37) , , , .
×
.
×
.
h, , h, , - - . .
h = hihh. (7.38)
(7.38) .
. × ( )
|
|
.
. × , :
.
W D
W=Dlihh. (7.39)
. [1] (. 7.24). , ( ) , ( 1-2), ( 2-3) .. (.7.25). 50 %, .. , . (). , , , .
. (.7.26) , , . . , . , , .
. . , =0. T,s- . 7.27.
Q, . - 6-1, - 2-3. Q 2-3 T,s- , , . , -, - ,
.
, , . , / .