, 34500
, 2715
, 12950
, 1200 2=2400
, 32,00
, 6,00
, 2,00
, n 4.5
, f 1.5
. 5.1 .
5.2.1.
. 50% , , 5.2, . , , :
; ;
; (5.1)
.5.2 .
:
, (5.2)
: = , - . :
. (5.3)
5.1
5.2.2 , .
:
, . (5.4)
:
, (5.5)
, 2 - , . 5.3.).
5.1, . 5.3.).
:
. (5.6)
5.1. . 5.3.).
, , :
. (5.7)
5.1. . 5.3.).
:
. (5.8)
5.1. . 5.3.).
, :
.
, :
, . (5.9)
.5.3.).
, :
, . (5.10)
5.1. .5.3.) .
(.5.3.)), :
.
, :
(5.11)
5.1.
5.1
i | , | , | , | , | , | , | , | , |
6.0 | 13.07 | -1.098 | -5.236 | 6.736 | 37.03 | 31.74 | 120.40 | |
5.6 | 12.20 | -1.025 | -4.887 | 6.288 | 31.70 | 26.41 | 96.62 | |
5.2 | 11.33 | -0.952 | -4.538 | 5.840 | 26.74 | 26.74 | 74.88 | |
4.8 | 10.46 | -0.878 | -4.189 | 5.393 | 22.15 | 22.15 | 54.88 | |
4.4 | 9.588 | -0.805 | -3.840 | 4.943 | 17.92 | 17.92 | 38.49 | |
4.0 | 8.716 | -0.732 | -3.491 | 4.493 | 14.06 | 14.06 | 25.41 | |
3.6 | 7.844 | -0.659 | -3.142 | 4.044 | 10.43 | 10.43 | 15.39 | |
3.2 | 6.973 | -0.586 | -2.793 | 3.594 | 7.167 | 7.167 | 8.195 | |
2.8 | 6.101 | -0.512 | -2.444 | 3.145 | 4.411 | 4.411 | 3.458 | |
2.4 | 5.230 | -0.439 | -2.094 | 2.697 | 2.022 | 2.022 | 0.827 | |
2.0 | 4.358 | -0.366 | -1.745 | 2.247 | 0.0 | 0.0 | 0.0 |
|
|
5.3.1. () . . (. 5.1) , . , , 9% NACA-2409. 5.2. ( , ). , . , , , , .
5.2
X, %b | ||||||||
Y,%b | 5.81 | 6.18 | 6.38 | 6.35 | 5.92 | 5.22 | 4.27 | |
Y,%b | -2.79 | -2.74 | -2.62 | -2.35 | -2.02 | -1.63 | -1.24 | |
X, b2, | 1.04 | 1.30 | 1.56 | 2.08 | 2.6 | 3.12 | 3.38 | 3.64 |
Y,b2, | 0.302 | 0.321 | 0.332 | 0.330 | 0.308 | 0.271 | 0.247 | 0.222 |
Y,b2, | -0.145 | -0.142 | -0.136 | -0.122 | -0.105 | -0.085 | -0.075 | -0.064 |
. 5.3.), ), ), ), ) :.
. 5.3.), ), ). .
b2 = 5,2 .
1- : H1=0.302+0.145=0.447 .
2- : H2=0.247+0.075=0.322 .
: MAX=0.332+0.136=0.468 .
: =0,45b2=0,45*5,2=2,34 .
5.4.).
, v =0.4
16.
16 s 0 ,2 = 380 * 106 , =72 * 109, .
.
5.3.2. , 5.4.), , 5.4.).
:
= 0,412, . (5.12)
: 0,95 - , , (5.12)
, .
|
|
:
= = 1,817*106, (5.13)
. 5.4
5.3.3. .
:
= = 5,033*10 -3, 2 , (5.14)
: 0,95 - , , ,
, ,
.
v, , :
= = 2,0.13*10 -3, 2. (5,15)
, , :
= .= 3,020*10 -3, 2 (5.16)
. [1]
( , = 5,2, - , - ):
= 0,05*5,2/2 = 0,13, . (5.17)
, :
= .= 17. (5.18)
:
; ;
(. . 5.5), , :
.
(35*17+60)dB2= 3,020*10 -3, 2. (5.19)
0,1 ,
d = 2,2*10 -3, . (5.20)
.5.5 .5.6
.
.
, :
.
, , 25%b , 50%b , :
= 26,74*104 *0,25*5,2 = 34,76*104, . (5.21)
d. = 34,76*104/ (2*2,34*0,412*0,5*380*106) = 0,95*10 -3, . (5.22)
(5.20) (5.22), , , d = 2,2*10 -3, .
, , , 5.5:
,
h. = 5*2,2*103 = 11*10 -3, . (5.23)
1 2 :
= 2,013*10 -3*0,447/0,769 = 1,17*10 -3, 2. (5.24)
.= 2,013*10 -3 * 0,322/0,769 = 0,842*10 -3, 2. (5.25)
5.6 :
; ; ; ,
, , :
; ; ; .
h..1=12,1*10 -3, ; b..1 = 96,8*10 -3, ;
b..1= 2,2*1,5*10 -3 = 3,3*10 -3, ; (5.26)
h..1 = 3,3*8*10 -3 = 26,4*10 -3, .
; ; ; .
H..2=10,3*10 -3, ; b..2 = 82,1*10 -3, (5.27)
B..2 + 3,3*10-3, ; h..2 = 26,4*10 -3, .
(5.20), (5.23), (5.26), (5.27) . .
.
.5.7 , c , (, , ). , .
. 5.7
|
|
, :
. (5.28)
, :
. (5.29)
(5.28) (5.29), (5.26), :
g..1 = 8,01*10 -3, ; I..1= 66.26*10 -9, 4. (5.30)
(2.13) 1 :
,
: l = 5t = 5*0,13=0,65, ;
; , ( ), (. 2.5), =4; (. 2.5), = 2.
= 288.7*106, . (5.31)
(5.28) (5.29), (5.27), :
F..2 = 0,1186*10 -2, 2;
g..2 = 7,36*10 -3, ; I..2=51,86*10 -9, 4. (5.32)
= 294,2*106, ; (5.33)
( F..2 ).
(. . 5.5) .
= 1,694*10 -4, 2. (5.34)
=
= 2,043*10 -3, . (5.35)
=
= 1,206*10 -9, 4. (5.36)
=. (5.37),
:
s..1. = 288.7*106, ;
s..2. = 293,6*106, ; (5.38)
s.. = 47,9*106,
1- . , , , 1- , (380*106, ). , .
, .
1- . I ..1 , F..1 . 380/289 =1,31 ..,
1- 35%. 14%, , .5.6, . :
b..1=3,76*10 -3, ; h..1=30,1*10 -3, .
F..1 = 0,157*10 -2, 2; g..1 = 8.471*10 -3, ; (5.39)
I..1 = 87,87*10 -9, 4; s ..1 = 376,5*106, ;
( F..1 ).
, 1,5 , . 5.5. :
b. = 3,3*10 -3, ; h. = 16.5*10 -3, ;
F. = 1.997*10 -4, 2; g. = 3.65*10 -3, ; (5.40)
I. = 4.756 * 10 -9, 4 ; s.. = 160*106, ;
( F. ).
, (5.39), (5.40) . ( , , ).
5.3.4. . , .5.3.3., :
= = 0,4782*10 -2, 2;
:
|
|
= 0,4*0,4782*10 -2 = 0,1913*10 -2, 2;
:
= 0,2869*10 -2, 2;
(5.18), n = 17.
: ,
(36*17+60)d 2 = 0.2869*10 -2; d = 2.0*10 -3, . (5.41)
1- 2- :
= 0,1913*10 -2*0,447/0,769 = 0,1112*10 -2, 2;
= 11,8*10 -3, ; = 94.4*10 -3, ;
= 3,0*10 -3, ; = 24*10 -3, ; (5.42)
g..1 = 7.6*10 -3, ;
(
F..1 = 0,1112*10 -2 + + ( b..1 + 15d ) d =
= 0,1112*10 -2+0.0072*10 -2 + 0,0249*10 -2 = 0,143*10 -2, 2)
= 0,1913*10 -2 * 0,322/0,769 = 0,0801*10 -2, 2;
= 10*10 -3, ; = 80*10 -3, ;
= 3,0*10 -3, ; = 24*10 -3, ;
g..2 = 6,91*10 -3, ; (5.43)
(
F..2 = 0,0801*10 -2 + + (b..2 + 15d) d =
2).
:
= 10*10 -3, ; b. = d = 2*10 -3, ; (5.44)
g.=1.86*10 -3, ; F. = 0,014*10 -2, 2;
( F. ).
5.3.5. 5.2, (5.17) , - , . , , - . . , - , - , . , 1- , , . 5.8, 5.3.
.5.8 .
, , . 5.4, 5.3.
5.4
i | 218 | 2137 | ||||
Fi*10,-2 | 0.157 | 0,01997 | 0,1186 | 0,109 | 0,014 | 0,143 |
s.*106, | 376,5 | 160, 0 | 294,2 | 380,0 | 380,0 | 380,0 |
5.3
i | , | , | , | i | , | , | , | |
0.3020 | -0,0085 | 0,2935 | -0.0750 | 6,91E-03 | -6,81E-02 | |||
0.3115 | -0,0037 | 0,3114 | -0.0800 | 1,86E-03 | -7,81E-02 | |||
0.3210 | -0,0037 | 0,3174 | -0.0850 | 1,86E-03 | -8,31E-02 | |||
0.3265 | -0,0037 | 0,3229 | -0.090 | 1,86E-03 | -8,81E-02 | |||
0.3320 | -0,0037 | 0,3284 | -0.0950 | 1,86E-03 | -9,31E-02 | |||
0.3315 | -0,0037 | 0,3279 | -0.1000 | 1,86E-03 | -9,81E-02 | |||
0.3310 | -0,0037 | 0,3274 | -0.1050 | 1,86E-03 | -1,03E-01 | |||
0.3305 | -0,0037 | 0,3269 | -0.1093 | 1,86E-03 | -1,07E-01 | |||
0.3300 | -0,0037 | 0,3264 | -0.1135 | 1,86E-03 | -1,12E-01 | |||
0.3245 | -0,0037 | 0,3209 | -0.1178 | 1,86E-03 | -1,16E-01 | |||
0.3190 | -0,0037 | 0,3154 | -0.1220 | 1,86E-03 | -1,20E-01 | |||
0.3135 | -0,0037 | 0,3099 | -0.1255 | 1,86E-03 | -1,24E-01 | |||
0.3080 | -0,0037 | 0,3044 | -0.1290 | 1,86E-03 | -1,27E-01 | |||
0.2987 | -0,0037 | 0,2951 | -0.1325 | 1,86E-03 | -1,31E-01 | |||
0.2895 | -0,0037 | 0,2859 | -0.1360 | 1,86E-03 | -1,34E-01 | |||
0.2803 | -0,0037 | 0,2767 | -0.1390 | 1,86E-03 | -1,37E-01 | |||
0.2710 | -0,0037 | 0,2674 | -0.1420 | 1,86E-03 | -1,40E-01 | |||
0.2590 | -0,0037 | 0,2554 | -0.1435 | 1,86E-03 | -1,42E-01 | |||
0.2470 | -0,0074 | 0,2396 | -0.1450 | 7,60E-03 | -1,37E-01 |