D – ; R – ;
- .
:
|
b |
|
|
a |
(6.20) |
0.25 arcsin |
|
arcsin |
|
|
|
2 R |
|
|
|
2 |
R |
|
b – , ;
– , .
R
R D0 h
2
h – .
:
b 0.3 0.35 |
h1cp h2cp |
R h1cp h2cp |
(6.21) |
|
|
h1cp |
|
h – ( ) ,
( h1cp F1
b1
);
h – ( )
( h2cp F ); b
R – , :
R D0 0.38 a 2
R D0 0.325 h 2
– ;
h – ( h 1.41 a 0.83 r1 ); r1 – .
:
b 0.45 0.5 |
h1cp h2cp |
R h1cp h2cp |
(6.22) |
|
h1cp
h – ( ) ,
( h1cp F1 0.75 h1 ); b1
h – ( )
( h2cp F 0.74 h2 );
b
R – ,
R D0 h 0.5 m
2 3
R D R 1 cos
2 |
|
|
|
, |
|
|
|
b 0.25 0.3 |
h1cp h2cp |
R h1cp h2cp |
(6.23) |
|
|
|
|
h1cp |
|
h – ( ) , |
|
( h1cp |
F1 |
0.74 h1 ); |
|
|
|
|
b1 |
|
h – ( )
( h2cp F 0.75 h2 );
b
R – .
. .
-
, , ,
.
h h0 h1 , D :
D 500
|
|
|
|
|
|
|
|
|
1 2.17 h 0.1 0.008 D |
|
|
(6.24) |
|
|
2.1 c |
|
|
|
|
|
D 500 |
|
|
|
1 h 0.0066 D 3 0.044 c |
|
(6.25) |
|
2.1 c |
|
|
|
|
:
1.12 0.0004 |
(6.26) |
|
(6.27) |
1.20 0.0004 |
: |
|
c<30 |
|
b 0.286 0.0012 0.45 1.15 0.00013 350 D c |
(6.28) |
c 30 |
|
b 0.11 0.0003 0.35 1.1 0.000055 880 D c |
(6.29) |
:
R hp – .
:
D<400
1 h 0.6 0.02 D 27 ( 20 ) 60
1 h 0.4 0.05 D 61.5 >20 ) 130
D>400
1 h 0.3 0.015 D 65.5 200
:
b 0.32 0.002 2 0.01 0.38 1.1 0.00045 D 350 c 90 )
b 0.24 0.0002 0.3 1.1 0.00005 D 800 c ( >90 )
:
R – ;
h – ;
– .
h R ,
b D :
1 1.2 h 0.004 b 0.001 350 D |
(6.32) |
R |
|
: |
|
b 0.0015 D 0.3 h |
(6.33) |
4b 0.05 b
:
b 0.45 0.5 hcp R hcp |
(6.34) |
h0cp |
|
h – , .
d, :
1.21 0.0004 d
1.12 0.0004 d
:
b 0.11 0.0003 d 0.35 h 1 0.00004 800 D d
5. . , . , .
. ,
. , .
h0 |
1 |
Dcp |
2 |
h0 |
C 3 |
|
4 |
5 |
|
6 |
C 7 |
|
b b0 C0 |
|
1 |
|
|
1 |
|
|
|
|
|
0 |
|
|
tg |
(6.35) |
|
h |
|
|
|
h |
|
|
|
b0 |
|
|
|
|
|
|
|
b
h
C0…C7 - ,
, , , ,
, ,
6.10 –
:
h1 1 h2 2 h3 3 ... hn n const |
(6.37) |
h1, h2, h3, ..., hn — , 1, 2, 3-
.
,
,
.
60
— ; D — , , ;— .
( ,
D1 n1 D2 n1 Dn nn F1 1 S1 F 2 1 S1 ... Fn 1 S1
60 60 60
F1 D1 n1 1 S1 F 2 D2 n1 1 S1 ... Fn Dn nn 1 S1 C
- (
); 1, 2,...,
1, 2, ..., n .
,
:
