PS Ventilation
- Smoke extraction -
E. Da Riva, S. E. Wojnarska
2013-02-01
1
Boundary conditions / assumptions:
 Only SEVS system
 Extraction in TR3-TR8, 30 000 m3/h each
 Air inlets in the galleries corresponding to TR1 and T2
 Two cases! With 25 000 m3/h injection in the center and without
Air inlets
Smoke extractors
E. Da Riva, S. E. Wojnarska
2013-02-01
2
Boundary conditions / assumptions:
 Extraction: velocity ~5m/s, area 1,7m2 (velocity inlets)
 Inlets: TR1: 3,0m X 3,4 m; TR2: 1,2m X 2,0m (pressure inlets)
E. Da Riva, S. E. Wojnarska
2013-02-01
3
Results
E. Da Riva, S. E. Wojnarska
2013-02-01
4
Velocity in the tunnel
With air injection in the center
Normal
E. Da Riva, S. E. Wojnarska
2013-02-01
5
Pressure in the tunnel
With air injection in the center
Normal
E. Da Riva, S. E. Wojnarska
2013-02-01
6
Vectors in the tunnel
With air injection in the center
Normal
E. Da Riva, S. E. Wojnarska
2013-02-01
7
Velocities in the tunnel
With air injection in the center
Normal
Area-Weighted Average
Velocity Magnitude
(m/s)
-------------------------------- -------------------gallery_1
0.75685245
gallery_2
0.7902866
gallery_3
0.072428562
gallery_4
0.012359493
gallery_5
0.3495234
gallery_6
0.33498996
gallery_7
0.28993478
gallery_8
0.13810953
in_tr1
4.0603509
in_tr2
3.5712769
r12
0.27026373
r23
1.3782318
r34
0.97978044
r45
0.56367576
r56
0.048817627
r67
0.38421306
r78
0.87396789
r81
1.3004644
smoke_out_3
4.9019995
smoke_out_4
4.9019928
smoke_out_5
4.901999
smoke_out_6
4.9020019
smoke_out_7
4.9019985
smoke_out_8
4.9019938
E. Da Riva, S. E. Wojnarska
Area-Weighted Average
Velocity Magnitude
(m/s)
-------------------------------- -------------------gallery_1
0.70380718
gallery_2
0.43434012
gallery_3
0.29833815
gallery_4
0.015667496
gallery_5
0.20447034
gallery_6
0.15609969
gallery_7
0.11468902
gallery_8
0.32707399
in_air_cent
9.7125006
in_tr1
3.4942532
in_tr2
3.0836544
r12
0.23014528
r23
1.1887991
r34
0.84752089
r45
0.43130797
r56
0.0715902
r67
0.35271928
r78
0.74057579
r81
1.1440579
smoke_out_3
4.9019995
smoke_out_4
4.9019928
smoke_out_5
4.901999
smoke_out_6
4.9020019
smoke_out_7
4.9019985
smoke_out_8
4.9019938
2013-02-01
8
Mass flow rates in the tunnel
With air injection in the center
Normal
Mass Flow Rate
(kg/s)
-------------------------------- -------------------gallery_1
5.1918888
gallery_2
-0.91285747
gallery_3
0.44827527
gallery_4
0.014758085
gallery_5
-2.3967266
gallery_6
-0.39031783
gallery_7
-1.7898412
gallery_8
-0.16488914
in_tr1
50.738022
in_tr2
10.498873
r12
-24.157022
r23
-33.744354
r34
-23.986341
r45
-13.794964
r56
-1.191921
r67
9.4045153
r78
21.400648
r81
31.77136
smoke_out_3
-10.206298
smoke_out_4
-10.206141
smoke_out_5
-10.206124
smoke_out_6
-10.206142
smoke_out_7
-10.206076
smoke_out_8
-10.206118
E. Da Riva, S. E. Wojnarska
Mass Flow Rate
(kg/s)
-------------------------------- -------------------gallery_1
4.8277283
gallery_2
-0.50167662
gallery_3
1.8452111
gallery_4
0.018702507
gallery_5
1.4024338
gallery_6
-0.18188502
gallery_7
0.70622581
gallery_8
0.39043522
in_air_cent
8.5069361
in_tr1
43.664574
in_tr2
9.065423
r12
-20.540335
r23
-29.105169
r34
-20.743538
r45
-10.556447
r56
-1.7526598
r67
8.6350288
r78
18.135139
r81
27.950541
smoke_out_3
-10.206298
smoke_out_4
-10.206141
smoke_out_5
-10.206124
smoke_out_6
-10.206142
smoke_out_7
-10.206076
smoke_out_8
-10.206118
2013-02-01
9
END
E. Da Riva, S. E. Wojnarska
2013-01-16
10