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Gencho Kliment Boris Reneta
E3S Web of Conferences 207, 0 (2020)PEPM'2020
4004 https://doi.org/10.1051/e3sconf/202020704004
© The Authors, published by EDP Sciences. This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0/).
1p 2p
2
1 2 out d ,outp p p2
out
d out
out d ,outdin
pp
2
dinp2
d out
out
d out out
d out
E3S Web of Conferences 207, 0 (2020)PEPM'2020
4004 https://doi.org/10.1051/e3sconf/202020704004
2
2
2
Dnd
Re
d
21.25
d 2
1 13.2 tg 1 12 n n8 sin
2
d
1.92
d 2 x
1 0.5 11 1 1n 1.5 n8 sin
2
0.024ln 1 2L tg
2x2tg
2
L
n 1L2tg
2d
2d
n0.000393 0.00835 0.0912
d
E3S Web of Conferences 207, 0 (2020)PEPM'2020
4004 https://doi.org/10.1051/e3sconf/202020704004
3
2
d12.6 1 0.8 1 sinn 2
d out
nRe
max,2
2max,2
2 22 2
q Q 4QS S d
q [ kg / s ] 3Q m / s2
2dS4
d outmax,2
2
1 l / d 0
max,2
2
1 l / d 10
l / d l / d 1; 4; 6; 9
l / d max,2
2
d out
d out f n
l / d 0d out
d
E3S Web of Conferences 207, 0 (2020)PEPM'2020
4004 https://doi.org/10.1051/e3sconf/202020704004
4
d out
d ,out d out ,d 2
1n
out d
out ,d 1 0.023n 2,3,4
4 deg 10 deg n
d out
d out
4 deg
l / d 10
d out
nl / d
E3S Web of Conferences 207, 0 (2020)PEPM'2020
4004 https://doi.org/10.1051/e3sconf/202020704004
5
o25 C31.185 kg / m 0.00001831 Pa s
k k
2
2
Dn 2d
16 deg
l / d 4d 50 mm
2dRe 200000 Re
1 61.806 m / s
23
2
3 222
2 p p1
2p 3p
d out f N
d out
E3S Web of Conferences 207, 0 (2020)PEPM'2020
4004 https://doi.org/10.1051/e3sconf/202020704004
6
d out
4, 6 , 8 and 10 deg n 2, 3, 4l / d 6 and 9
n 2 10 deg l / d 6
d ,out
n 2 10 deg l / d 6
E3S Web of Conferences 207, 0 (2020)PEPM'2020
4004 https://doi.org/10.1051/e3sconf/202020704004
7
d ,out f n
l / d
1 2
1
100%
E3S Web of Conferences 207, 0 (2020)PEPM'2020
4004 https://doi.org/10.1051/e3sconf/202020704004
8
1 2
2 dd ,out a b c n
a b c d
a b c d
a b c d 2Rl / d 6l / d 9
d ,out f n;
E3S Web of Conferences 207, 0 (2020)PEPM'2020
4004 https://doi.org/10.1051/e3sconf/202020704004
9
Centrobezhnaye ventilyataraySpravochnik po gidravlicheskim soprotivleniyam
ANSYS CFX-Solver Theory Guide
Internal flow systems
E3S Web of Conferences 207, 0 (2020)PEPM'2020
4004 https://doi.org/10.1051/e3sconf/202020704004
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