. :
(10.1)
, ; f - .
, ,
P = qv2 (10.2)
q 1 ; v , /.
f=9,8KfqA, (10.3)
, ; f=1+5cos2γ
Pt , 2 :
, , . . , . . .
- .
= (1 + 2)/2, (10.5)
Pa = (P12)/2 (10.6)
, , . :
T v = L=Lt t, (10.7)
L Lt , ; v =ztn/60 , /; t ; ; , /.
( )
N=/=60 Tzn/Lt. (10.8)
, .
:
Z1tn1=z2tn2, i=n1/n2=z2/z1,
n1, z1 ; n2, z2 , .
, , , , . , .
( *) N ( )
= N/ω=9,55N/n≈N/0,1n. (10.9)
= 2/d, (10.10)
d .
,
|
|
d=t/sin(π/z)
sin (π/z)≈ π/z, d= t z / π.
2=ηiMi.
. . . . . . . 0,960,98. η = 0,97. =1,15; =1,05 .