1. , .
. 13.10,
D, , (. 13. 10). =/b. - (, ).
Mz= - Y x = -(Ya cos α + Xa sin α) x, (13.18)
, : (13.19)
(13.8), (13.9), (13. 17),
(13.20)
, ya m , 0 .
Υ F (. . 13.10) F = Y ( XF) = Mz + YxF.
(13. 7),
CmF = Cm + Cy xF = cm0 + m Cy + Cy xF = Cm0 + (m + xF ) Cy. (13.21)
, F = m cmf =cm0 . F, , , .
Μ (.. ) m = -0,22...-0,25. , F = -m = 0,22...0,25 xF = (0,22...0,25)b .. 1/4 . cm = f(cya). cm= f(a) a = f() . (. 13.11) : m = a1 tg j1 ya = a1 tg j2 (13.22)
(13.23)
,
.13.11 cyα α |
. 13,12.
(. 13, 12), . m<0 { ) ' , m>0
|
|
( ) .
. 13.13. a0 |
α = α0 ( =0) , (. 13. 13).
13.7.
, cxa, a, . . - , x=x/b (b ), = =Ap/qoo, = oo qoo =ro *V2/2.
( ) α (α= 0,05; 0,20; 0,25 ) . 13, 14. , . . .
. 13.14. : 1 - ; 2 - |
=1 ( p>l). , >0 . x , , . . , . . , , , , .
Voo, e<oo <0. . Vc < <Voo, >oo >0. . , , .
, 0,05 , , .
(. . 13. 14) , , , .
, , . : (p = 2... 3), - <1. , , , , .
|
|
. 13.16,
. 13.15 : 1 ; 2 ( ) |
, . 13. 15.
=10... 14%, . , .
ρ -, (. 13. 16). , , , , . , = 0 , . .
. 13.17,
.
. 13.18. |
ρ , , x .
; (. 13.17), . (. 13.18).