: -; ; ( ), , .
, , - . , , (. .2.2). - .
βi = f(n2i) βi = f(u2i)
(54)(56), (64), (65) . .
1 (M1 = f(n2) M1 = f(u2)) 2 (M2 = f(n2) P2 = f(u2)) . :
‑ :
(70)
‑ :
(71)
η η - (6) ;
(72)
‑ i- ( k = const); k - .
(N1 = f(n2) N1 = f(u2))
(N2 = f(n2) N2 = f(u2)) :
(73)
, η η :
(74)
(75)
; ( , ); ( ). .
, , , , . . : ( ), ( ) ( : , , , ). . , .
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:
‑ :
),
(76)
N1 ; 
; 
.
, ΔN ΔN , , , ‑ 
; .
‑ :
ΔN = ΔN + ΔN = 2Q2*(1- η *η ), (77)
, , :
ΔN = 2Q2*(1-η ); ΔN = 2Q2*η *(1- η )
ΔN = 2Q2*(1- η ); ΔN = 2Q2*η *(1-η )).
‑ 
Q :
ΔN = * Q , (78)
- .
‑ (34).
:
N2 = M2*ω2 = p2*Q2 ΔN. (79)
.
9
, , :
N1 = 4,48 ;
η = η = 0,93;
η = η = 0,9;
1 = 15 = 1,5*107;
Q1 =15 / = 25*10-5 3/;
2 = 10 = 107;
Q2 =10 / = 16,7*10-5 3/;
Q = 5*10-6 3/;
ρ = 900 /3;
lA = 5;
l = 2;
l = 2;
.
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1. :
ΔN = N1*(1- η *η ) = ΔN + ΔN = 4,48* (1 0,93*0,9) = 0,730 ,
: ΔN = N1*(1- η ) ;
ΔN = N1*η *(1- η ) .
, ΔN ΔN ,
ΔN = N1*(1- η ), ΔN = N1*η *(1- η )
2. :
ΔN = 2 * Q2*(1- η *η ) =ΔN + ΔN = 107*16,7*10-5 *(1 0,93*0,9) = 0,272 ,
ΔN = 2 * Q2*(1- η ), ΔN = 2 * Q2*η *(1- η )
ΔN = 2 * Q2*(1- η ), ΔN = 2 * Q2*η *(1- η ).
3. :
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ΔN = ΔN + ΔN = 0,730 + 0,272 =1,002 .
4. ( ):
ΔN = * Q = (1 - ρ*g*lA) *(Q1 - Q2 - Q ) =
= (1,5*107 900*9,8*5)*(25 16,7 0,5)*10-5 = 1,167.
5. :
ΔN = ΔN + ΔN = 0,822 + 0,075 = 0,897 ,
: ΔN = Δ *Q2 = (1 2 -ρ*g*(lA + l + l))*Q2 =
= (1,5*107 - 107- 900*9,8*9)*16,7*10-5= 0,8 ;
ΔN =(1 - ρ*g*(lA + l))* Q = (15*106 - 900*9,8*7)*5*10-6 =0,075 ( ) .
6. :
ΔN = ΔN + ΔN + ΔN = 0,01101 + 0,00303 + 0,00295 =
= 0,01699
: ΔN = ρ*g*lA*Q1 = 900*9,8*5*25*10-5 = 0,01101
ΔN = ρ*g*l*(Q2 + Q ) = 900*9,8*2*(16,7 + 0,5)*10-5 = 0,00303
ΔN = ρ*g*l*Q2 = 900*9,8*2*16,7*10-5 = 0,00295
7. :
ΔN = ΔN + ΔN + ΔN = 1,167 + 0,897 + 0,01699 =
=2,081
8. :
N1 =4,48 ;
N1(.)= 2 *Q2 + ΔN + ΔN =
=107*16,7*10 -5*10 -3 + 2,081 + 0,730 = 4,481.
9. ΔN%= (N1(.) - N1)*100% / N1 = 0,022%
() . , , , .
