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TPM 155/22
VI. TECHNICAL DATA
Pressure loss
Δp
w
ρ
ξ
Coefficient of local pressure loss
H
300
300
3,332
350
3,044
385
2,854
400
2,775
450
2,523
500
2,290
550
2,075
600
1,879
650
1,700
700
1,540
750
1,398
800
1,275
850
1,169
900
1,082
950
1,013
1000
0,963
1050
0,930
1100
0,916
Version 2023-06-07
Pressure loss calculation
[Pa]
presure loss
[m/s]
air flow speed in nominal damper section
[kg/m
3
]
air density
[-]
coefficient of local pressure loss for the nominal damper section
350
400
2,721
2,283
2,486
2,085
2,330
1,955
2,266
1,901
2,060
1,729
1,870
1,569
1,695
1,422
1,534
1,287
1,388
1,165
1,258
1,055
1,142
0,958
1,041
0,873
0,955
0,801
0,884
0,741
0,827
0,694
0,786
0,659
0,760
0,637
0,748
0,628
Smoke extraction damper - SEDM-D
2
w
Δp = ξ · ρ ·
2
B
450
500
550
1,955
1,702
1,502
1,786
1,555
1,372
1,674
1,458
1,286
1,628
1,417
1,250
1,481
1,289
1,137
1,344
1,170
1,032
1,218
1,060
0,935
1,102
0,960
0,847
0,998
0,869
0,766
0,904
0,787
0,694
0,821
0,714
0,630
0,748
0,651
0,574
0,686
0,597
0,527
0,635
0,553
0,488
0,595
0,518
0,457
0,565
0,492
0,434
0,546
0,475
0,419
0,537
0,468
0,413
600
650
700
1,339
1,205
1,094
1,224
1,101
0,999
1,147
1,032
0,937
1,115
1,004
0,911
1,014
0,913
0,828
0,921
0,829
0,752
0,834
0,751
0,681
0,755
0,680
0,617
0,683
0,615
0,558
0,619
0,557
0,506
0,562
0,506
0,459
0,512
0,461
0,418
0,470
0,423
0,384
0,435
0,392
0,355
0,407
0,367
0,333
0,387
0,348
0,316
0,374
0,337
0,305
0,368
0,331
0,301
Page 29
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