.


:




:

































 

 

 

 


. 1. (




1. (. 7)

,

β =0,53% - ( ); - , , /.

β =2%. /, ,

/.

2. D 1 :

,

- , /; - , ( . 2) hs -, /; - , II, /; - ; - , /.

,

.

3. :

,

- ( p 2 II), /; - , /; ( p 2 II), 3/; , , ; - , , ≈ 0,840,85.

p , (0,150,20) p .

, , .

.

,

.

, , ,

.

, ,

.

,

- 25; , .

υ = 5. cp = 4,664 /(∙).

/.

, II :

/;

3/.

/.

4. , h 1 = 3144 / (. 2) hs -:

/ II.

/.

 

 

5. , ,

:

D 1 =22,45 / ;

D 4 =5,79 / 2;

D 5 =67,142 / 1;

D =0,1 / ;

D =2,18 / ;

D =116,28 / .

:

- ( : , , )

+ + , (1)

- ( )

. (2)

, :

. (3)

(1)-(3) (. 2.7.3 ) :

; (7'')

 

; (5'')

. (4)

(7′′) , ,

D 3 = 8,242 /.

(4) ( ),

/.

(5′′) ( ),

/.

, /:

D = + =22,654+1,16+8,242+5,85+67,827+8,268 =114 /.

.

 

 





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