Technical Data; Pressure Loss; Coefficient Of Local Pressure Loss - Mandik FDMC Manual

III. TECHNICAL DATA

6. Pressure loss

Pressure loss calculation
6.1.
p =
p
w
Determination of pressure loss by using diagram 6.2.1.
6.2.
Diagram 6.2.1. Pressure losses for air density

7. Coefficient of local pressure loss

Coefficient of local pressure loss
7.1.
Tab. 7.1.1. Coefficient of local pressure loss
D 100 125 140
2,736 2,099 1,781 1,527
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w 2
2
[Pa] presure loss
[m.s -1 ] air flow speed in nominal damper section
[kg.m -3 ] air density
[-] coefficient of local pressure loss for the nominal damper section
(see Tab. 7.1.1.)
=1,2 kg.m
(-)
150 160 180 200
1,272 0,929 0,636
= 1,2 kg.m
-3
225 250 280
0,477 0,344 0,237
11
TPM 083/12
-3
315 350 355 400
0,159 0,125 0,116 0,085