.


:




:

































 

 

 

 





:

Lx = 26 ; Ly = 2 ; n = 0.3; Kz =1; = 0.17; =1; t =1;

= ; V = 30 /; t = 4.30; ( ) = 8.00; = 19.30

:

Lx ();

Ly , ;

n ( ); n=0.3;

Kz , , , ;

: =0.17; =0.22; =0.4;

: =1; =1.8; =2.7;

γ (); γ=0.15; γ=0.06; γ=0.02;

, , ;

Δt ( );

t ;

t ;

t ;

m , :

m :

,

t;

1 ;

t : ,

=mKyKz; = Kt;

s ( ), /2: s;

, : =;

;

;

: =Δt/240;

, , : =z;

, ; = 3300;

, ; =z;

Σ , ;

Σ=++.

:

1. () 16.1 , B, .

2. m1 :

3. m ():

, ,

γ , 0,06;

, ;

4. t;

1=m1KyKz=0,10210,22761=0,02324 /.

5. (t):

t=-(+t)=8-(4,5+1)=2,5 , t=L/n;

.

6. (t=2,5 ):

=1 Kt=0,023240,76=0,0177 /.

7. 1=1 Kt(1 ); 1=0,023241,316=0,030 /.

8. (s):

s=0,01770,17=0,0030 /2.

9. ():

tn=t + t.

10. :

=1=0,0237,11=0,164 .

11. , ();

) , , .

) (m2):

;

) 2:

2=m2KyKz=0,002480,2771=0,000564 /;

) :

=Dt/240=15/240=0,0625;

Dt=t-t=19,5-4,5=15 ;

) :

= 2 Kz=0,0005640,062511=0,0000353 u.

12. :

= 3300 = 33000,0000353 = 0,116 .

13. (`):

) , , .

) ;

) 3 = m3KyKz = 0,23090,2771 = 0,0524 /;

) ` = 3z = 0,05240,06251 = 0,00328 .

14. (Σ):

Σ = ++` = 0,164+0,116+0,00328 = 0,283 .

 

:

. 16.2 .

 

16.1





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