Mandik SEDM-D, Installation, Operation, Maintenance And Service Manual

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