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d
H1/B1
H/B
H /
B
H1 / B1
d
40
68
B = B1+2
0
H = H1+2
0
H2 / B2
H1 / B1
40
d
68
B2 = B1+14
H2 = H1+1
4
d
H1/B1
H/B
H /
B
H1 / B1
d
40
68
B = B1+2
0
H = H1+2
0
H2 / B2
H1 / B1
40
d
68
B2 = B1+14
H2 = H1+1
4
d
H1/B1
H/B
H /
B
H1 / B1
d
40
68
B = B1+2
0
H = H1+2
0
H2 / B2
H1 / B1
40
d
68
B2 = B1+14
H2 = H1+1
4
Q
$\n $ = 5
\n $ = 5 \n
-
-
\n $ = 5
-
\n
\n
\n
%
\n \n
-
-
\n %
[ +
%
+
$ = 5
$ = 5
$ = 5
+
200
250
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
%
200
250
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
n
3
4
4
6
7
8
9
11
12
14
15
16
18
19
21
22
23
25
26
27
n -
\n D [
\n
H1
H3
H/B
H1
B1
H3 = (2 x H1) + 80
B = B1 + 20
H = H3 + 20
2
Pressure drop
p
ce
l
(Pa)
15
20
30
40
50
100
150
70
1.5
2.5
34
5
6
3.5
78
supply
- extrac
t
outle
t
n ... number of vanes
Air velocity at the sectional area B1x(H1-70-(14xn)) (m/s)
B1
B1
B3
B/H
H1
0
2
+
3
B
=
B
0
8
+
)
1
B
x
2
(
=
3
B
H = H1 + 20
H1
H3
H/B
H1
B1
H3 = (2 x H1) + 80
B = B1 + 20
H = H3 + 20
2
Pressure drop
p
ce
l
(Pa)
15
20
30
40
50
100
150
70
1.5
2.5
34
5
6
3.5
78
supply
- extrac
t
outle
t
n ... number of vanes
Air velocity at the sectional area B1x(H1-70-(14xn)) (m/s)
\r\n \n\r \r
A
ef
= B1 x B1 x (H1-70-(16 x n))
2
, n- .
B1 = 1200 , H1 = 600 , n = 8
Q = 5300
3
/
A
ef
= 1200 x (600 -70-(16 x 9)) = 463200 0,46
v = (Q / 3600) / A
ef
= (5300 / 3600) / 0,46 = 3,2 /
6
p
cel
32
25
\n
\r
\r:
AZR-4/3 B1xH1
:
B1 = 1200 H1 = 600
:
4
\n
-
%
-
\n D [
\n
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