1. -. 2- . .1/ . .. .. . .: , 1985.
2. .., .., .. , . . ., , 1976.
3. . . , 1976.
4. .. . ., , 1975.
4. .. . ., , 1970.
5. 43, .1,2. . . , , 1981.
25.08.2007 .
1.
____.
,
_________________________
______________.
( ) ____________.
___________.
/ | Ra, | H, | D, / | e, | 2Zi | |
S2ZD = _________. D* = _______.
/ | Ra, | H, | D, / | e, | 2Zi | |
S2Zd = _________. d* = _______.
:
__________ ( ).
D = _____.
d = _____.
L = _____.
, k = __.
= _______.
:
2.
:
1. (. 1).
2. : 63.
. 1
:
1. .
2. 2- .
:
, 2 : ) ;
|
|
) .
, . 1- , 1 .
(Ø35d11), (Ø1514) (70h14) 1.
, ( ). , , . 6 . 4 (Ø35d11). (Ra2.5) (11 ) :
- ;
- .
, 6, (. ).
1.
: ________________
2Z1 = 2 [(4* 50 + 150) + Ö (2.5 * 70)2 + 2202 ] = 1.26
i =1, Ra =50 , = 150 , D = 2.5 /, .. (),
l = 70 ( ), e = 220 ( ).
.
________________
2Z2 = 2 [(4 *12.5 + 50) + Ö (0.15 * 70)2 + 2202] = 0.64
i =2, Ra =12.5 , =50 , D = 0.15 /, .. ( ),
l = 70 ( ), e = 220 ( ).
.
S2ZD = 2Z1 + 2Z2 = 1.9 .
.
(D*) 2: D* = D*min + S2ZD
Ø35d11 3 Ø35 , D*min = 34.76 .
D* = 34.76 + 1.9 = 36.66 .
.
12 ( ) 38 -1.0.
Dmin = 38 1 = 37
4: Dmin ³ D*.
37 ³ 36.6.
, Ø38 12: D = 38-1.0. , 4.
.. 5.8. 25 , L = 1000h14.
.
, , 6. :
|
|
k* = (1000 40) / (70 + 2 + 4) = 12.6
, : k = 12.
.
7.
(. 2). V. = V1 + V2 - V3
V1=π 352 25/4; V2= π 252 45/4; V3 = π152 70/4;
V= π 382 1000/4;
= 0.357
.
(. . .).
. 2
.
1.
,
:
: Ø35d11( )
( ): Ø1514 (+0,43).
: 70h14 (-0,74).
/ | Ra, | H, | D, / | e, | 2Zi | |
2.5 | -------- | 1.9 | ||||
12.5 | 0.15 | 1.26 | ||||
6.3 | 0.1 | 0.64 |
S2ZD = 1.9 . D* = 36.66 .
/ | Ra, | H, | D, / | e, | 2Zi | |
S2Zd = _________. d* = _______.
:
: ( ).
D = 38-1.0.
d = 0.
L = 1000h14.
, k = 12.
= 0.357.
: