, , . , .
, ( - ) , - . () , 1 ,
(II.18)
q, ; S l
(II.18)
q ; v .
(II.18) v . , v 0,6 0,9 /, 0,91,5 /.
[. ]
(II.19)
q ; q .
. 11.26.
; ; :
. ( ), . (II.19).
.
( 11-31-74): v < 1,2 /
(II/20)
v ³1,2 /
(II.21)
q , 3/c; dP , .
(II.20) (II.21) (1.55) () (l=0.021/d0.3). (II.20) (II.21) .
(II.20) (II.21) .
hl=il (II22)
(I.110)
hl=Slq2
Sl = Alt .
Al ; . 1.
.