3
190631
.
-1
(. 1) F t v. D. ; . . 1. . 2.
1.
; Ft, | , D , | |||||||||||
; v, / | 0,16 | |||||||||||
2. .
; v, / | ; Ft, | ; D , | ; i | ||
I.
1. ()
P =(F t v)/ η =____________________________________________________
η = η η η 2 η η η 2 =_____________________________________,
ηi (. . 3).
2. (/) :
n =60000 v /(π D ) =________________________________________________
3.
(), η | , | |
0,960,98 | 26 | |
( ) | 0,940,96 | 24 |
( ) | 0.920,95 | 1,5..6 |
0,98 | ||
( ) | 0,990,995 |
3. P ≤ P , 1
P , (. . 4)
4
4,
n=1000 /
P, | , | |||||
l 30 | h 30 | d 30 | d 1 | l 1 | ||
411263 | ||||||
411263 | ||||||
4132S63 | 5,5 | |||||
413263 | 7,5 | |||||
4160S63 | ||||||
416063 | ||||||
418063 | 18,5 | |||||
420063 | ||||||
4200L63 | ||||||
422563 |
|
|
5
, P ., | , n , / | , d1 , | , | ||||
l 30 | h 30 | d 30 | |||||
4. :
= n / n =________________________________________________________
5.
= /( ) =______________________________________________,
.
6. (/):
n 1 = n / = _______________________________________________________
7. (/):
n 2 = n 1/ = _______________________________________________________
8. (ͷ):
= 9550 / n = ___________________________________________________
____
9. (ͷ):
1 = η = __________________________________________________
10. (ͷ):
2 = 1 η η 2 = _____________________________________________
____
11. (ͷ):
= 2 η η η 2= __________________________________________
6
6
, i , | , i | , η | , ni, / | , Mi, ͷ | |
:
:
P=P
, ; ,; - .
: , .