: - () ( ) .
3.1.
_____________________________________________
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| |
| .3.1. | ||
| 
| |
| .3.2. | ||
i: ________________________________________________
| 3.1 | |||||
| i i, i | |||||
| / | ֳ , d | b, | |||
ii :
) i, i _______________________
) i _____________________________________________________
) ii i R = ________________________
) ii R b = R (0,8-0, 001 R) ³ 0,72 R________________________ ________
ii :
) __________________________________________________
) i i sy = _____________________________________
) i Es =___________________________________________
| 3.2 | ||||
| i i | ||||
| / | ||||
| h | ||||
| b | ||||
| H | ||||
| a-ds/2 | ||||
| a-ds/2 | ||||
| ij | ds | |||
| ij | 
| |||
| h0 | ||||
| As | ||||
| ||||
| ³ | 0 | |||
| ³ | ||||
| ³ | 
| |||
| 3.3 | |||||||||
| i | |||||||||
| - | N, | ||||||||
| -1 | -2 | -3 | |||||||
1 - i i i ;
|
|
|
2 - i i i .
3.2.
| 3.4 | ||||||
| i | ||||||
| - N, | ³ S | г DS = S-S0 | , Db=d´DS | ³ es = Db/bs (eb=Db/bb) | -, ss=Es ´es | |
| -1 d = bs= | ||||||
| T-2 d = bs= | ||||||
| 3.4 | |||||||
| T-3 d = bb= | |||||||
. 3.3.
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|
|
. 3.4.
3.3. в
3.5.
_________________________________________________
___________________________________________________________________
|
| . 3.6. |
____
____
____
____
____
____
____
____
____
____
____
____
: Nu,cal=_____________________________
: Nu,tes=_______________
Nu,cal Nu,tes :
Δ=(Nu,tesNu,cal)/Nu,tes100%=_____________________________________________
:___________________________________
____
____
____
____
ϳ , ________________________________
_________________________________
____ ___________________ 20...
4
