, , . , - . ,
P np = kP J2K, (7.107)
k . k = 1,231,66. k = 1,43. k = 2,32,35;
P J2K 䒺 , () . 䒺 :
(7.108)
m k (, , , , , ).
m k= 180230 /2, , , m k= 230300 /2. m k= 220/2; F = 10,416 10-4 2 .
, , :
(7.107):
P np . max = 1,43500,6 = 715,9 .
̳ (7.107)
k = 1,23:
(7.109)
.
:
(7.110)
, ;
0 , ;
, /.
, , :
P np = 0 +h. (7.111)
[3] ( 7.17).
7.17
, MathCad , ( ).
( = 1,43), . . , 1,2, , . ǒ C3,B, , . , B . , . ³ . γ .
|
|
:
(7.112)
Lk/ LT=1 f max = a = 25,4110-3. ,
/.
0 = P np.max ch max= 500,6 197019,4710-3 = 314,03H.
:
.
.
D np= (0,80,9) d = (0,80,9)36,41.
D np =30.
ij δ =3,56,0 . δ = 4,5.
G =(8,08,3) /2. G =8,5/2.
:
(7.113)
23 . ,
, . .
:
(7.114)
.
:
:
(7.115)
;
:
(7.116)
.
:
(7.117)
.
, :
(7.118)
, . = 1,11,3 D np / δ = 512.
D np/ δ = 30/ 4,5 = 6,7. = 1,15.
ϳ :
.
̳ , :
(7.119)
.
:
(7.120)
=300400 . = 400 ;
= 0,180,20 ;
(7.121)
.
(7.122)
.
ϳ :
1,22,0.
() :
(7.123)
.-1
, np .
n p= n e/ 2= 5600 /2 =2800 -1.
: