:
N ≥ N , (7.1)
N , ;
N , , .
, [6],
N = N + N + N + N , (7.2)
N , , ;
N , ;
N ( 7.1), ;
N , .
7.1 , ,
N = T maxw r, (7.3)
T max , , ;
w − , 1/;
r − , .
( 7.1)
Ti = R c + P ji + F,(7.4)
R c , ;
, , ;
F , , .
7.1 ,
7.1.1
R c = (ε f z) / (x − x ), (7.5)
e , 1 2 (e = (12) × × 10-2 /2 ). , ;
f , 2;
, ( 6.2; 6.6 6.10), .
f = L S, (7.6)
L , ;
S , .
z = B / t, (7.7)
B , ;
t , .
7.1.2
− -
Pj = m ω2 r (1 − x / r);
−
Pj = ν m ω2 r (1 − x / r),
ν , ,
ν = {(1 − x 2 / r 2 sin2α) [1− (3 x 2 / r 2 − 2) sin2α]} / cosα;
−
Pj ≈ m ω2 r (1 − x / r),
m , ;
ω ( ), -1;
r (r = S / 2), ;
α − ( ͻ - α = 18).
7.1.3 ( = 0 = S):
− -
Pj max = m ω2 r; (7.8)
−
Pj max = m w2 r cos2α; (7.9)
−
|
|
Pj max ≈ m ω2 r, (7.10)
m − (m = m o B), ;
m 0 − (m o = 2,02,2 /).
7.1.4
F = f G, (7.11)
G = m g , ;
f (f = 0,250,30).
7.1.4 R c, P j F , ( 7.2):
R c , ;
P j - [ (7.8) (7.9)] (x = 0, H) (x = S, L) ; x = S / 2 ( ) 0 ( 7.2);
7.2 ,
Pj HMKL , 1 V = const ( 7.3);
( H L) (7.10);
MK 0 ( 7.3);
1 6.10;
7.2 ,
F ( 7.2 7.3) , ;
7.3
T max ( 7.2 7.3) , .
7.2 , (N ) (N x):
N = N + N x. (7.12)
7.2.1 , ,
N 0 = { a + b [ q min]} [ q min] u,(7.13)
[ q min] , /;
b , ( - = 100120 ͷ(/)-1 b = 810 ×(/)-2).
, .
7.2.2 N x
N x = a x u + b x u 3,(7.14)
( = 0,850,90 100 ( - 5 250 ; - 1500 370 ; - 1200 - 7 290 ; - 1300 320 );
b x , , ( b x = 0,0550,090 2/2).
7.3 , ,
N = 10-3 P V / (η η), , (7.15)
P , ;
η (η = 0,87);
|
|
η (η = 0,950,98).
= G (f i / 100), (7.16)
f (f = 0,070,09 );
G = m g , ( );
i , %.
m
m = m + ∆ m, (7.17)
m , ;
∆ m , , .
7.4 N ( ).
7.5
N = N + N + N + N .
7.6 .
1. , .. / .. , .. . .: , 1994. 567 .
2. , .. : , / .. , .. . .: , 1980. 342 .
3. .. , / .. [ .]. .: , 1978. 461 .
4. , .. / .. , .. , .. . .: , 1986. 78 .
5. , .. : .-. . . - / .. [ .]. .: , 1997. 381 .
6. , .. / .. , .. . .: , 1983.
7 , .. / .. . .: , 2004. 12 .
8 , .. : , / .. . ..: , 1955. 342 .
9 .. : , / .. [ . ]. ..: - , 1963. 572 .
10. 2.105 - 95 . . 01.01.1984. : 2004.