IJ 6. в
(. 6.1) 1 2 . , , , , . (. 6.1, ,) (. 6.1, ).
1
, | (6.1) |
r - ; d- ; l,b- ; R0 = r/d , ; K - .
2 , . - , R0 , Gk lk (.6.1,a).
: Ri; gRi; Pi; ( t, T) , .
: () ; ; , ux ; .
R0. ( ) : , TKr, , , 㳿 㳺 .
, , R0 .
, , Rmax/Rmin ³ 100, . , Rmax1/Rmin1 Rmax2/Rmin2. .
R0 ( - )
, | (6.2) |
Ri i- ; n - (). dz gR. R0. R0, R0..
|
|
R0, P0, Tr, g, (. .1.2).
R0 Gk , , .
- (. .1.3). , (. .1.2). .
' gR .
³ gR
gR = gR0 + g+gR ,. | (6.3) |
: - gR0 - R0
gR0 = DR0 / R0 . | (6.4) |
, . , R0 , sR0 = DR0 /3. gR0 0,02 0,05 R0, ;
- g- ( )
g=Db/b+Dl/l. | (6.5) |
Db Dl , bmin lmin (. .1.4). sb = Db/3, sl = Dl/3;
- gRk- Rk
gRk = 2Rk / R. | (6.6) |
, , , Gk . Gk = (51O) -1-2, , , Gk = (0,10,5) -1-2. Rk : mRk sRk.. , gRk = (0,010,03).
:
, | (6.7) |
, , - , :
= , , , , , . |
.
г :
|
|
gR = gR0 + g + gRk+gRT+gRCT, | (6.8) |
:
, | (6.9) |
gR ; - ; gRT, gRCT - 䳺 ; - R 䳺 . , mRT, mRCT sR, sRCT.
gRi>gR, .
³ :
gi= gRi - gR0 - gRki -gRT -gRCT ; | (6.10 |
, | (6.11) |
, | (6.12) |
- :
; ; . |
, , . . R0.
. | (6.13) |
, (.6.1, , ) :
1)
Ki = Ri / R0; | (6.14) |
2)
, Ki >1 | (6.15) |
, Ki <1, | (6.16) |
bmin, lmin , . : bmin= 100 , lmin = 300 ; bmin=lmin = 100 ; - bmin= lmin= 0,8 .. bmin lmin . .1.3; bPi, lPi- , , PRi:
, Ki >1, | (6.17) |
, Ki <1. | (6.18) |
b.i, l.i- , . :
, Ki >1, | (6.19) |
, Ki <1. | (6.20) |
b.i, l.i :
, Ki >1, | (6.21) |
, Ki <1. | (6.22) |
bi li, , . () , .
li =Գbi, Ki >1 | (6.23) |
bi =li / Ki, Ki <1 | (6.24) |
, . , ' .
(6.10), (6.11) () , .
|
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Ki £ 10 (. 6.1, ), Ki >10 , . 6.1, , , . (. 6.1, ) , , (. 6.1,6) - . :
1) N . N . , N. li l = li / N. - ;
2) l. .
璺 (. 6.1,6) 2N DR =2NRk.
li :
l.= li (1-2NRk / Ri). | (6.25) |
(. 6.I,) 0,45R0. DR =2N×0,45R0 = 0,9N×R0. Dli = 0,9Nbi. :
l.=li+0,9Nbi | (6.26) |
,
SRi l.(bi+a), | (6.27) |
a - .
. 6.1,.