High Induction Slot.qxd - Air Diffusion
High Induction Slot.qxd - Air Diffusion
High Induction Slot.qxd - Air Diffusion
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<strong>High</strong> <strong>Induction</strong> <strong>Slot</strong> Diffusers<br />
Performance Guide - Model LD14<br />
Select Diagram - <strong>Slot</strong> Diffuser LD14<br />
100<br />
Supply<br />
50.0<br />
1000mm Length<br />
Pt Pressure loss (Pa)<br />
20.0<br />
10.0<br />
9.0<br />
7.0<br />
6.0<br />
5.0<br />
4.0<br />
3.0<br />
2.0<br />
1.0<br />
2.0<br />
3.0<br />
Throws (m)<br />
4.0<br />
5.0<br />
10.0<br />
9.0<br />
8.0<br />
7.0<br />
6.0<br />
5.0<br />
4.0<br />
6.0<br />
7.0<br />
13.0<br />
12.0<br />
11.0<br />
10.0<br />
9.0<br />
8.0<br />
10.0<br />
9.0<br />
8.0<br />
7.0<br />
6.0 9.0<br />
14.0<br />
13.0<br />
12.0<br />
11.0<br />
16.0<br />
14.0<br />
11.0 12.013.0<br />
11.0<br />
10.0<br />
10 20 30 40 50 60 70 80 100 150 200 1000<br />
Example<br />
LD14/1<br />
15.0<br />
16.0<br />
13.0<br />
12.0<br />
14.0<br />
16.0<br />
15.0<br />
10 15 20<br />
NR<br />
LD14/2<br />
25<br />
LD14/3<br />
30 35 40<br />
LD14/4<br />
qv Volume Flow (l/s)<br />
Selection Example:-<br />
Requirement:<br />
LD14/2 <strong>Slot</strong>; <strong>Air</strong> discharge - Alternate Direction (Horizontal)<br />
qv total<br />
= 100 l/s<br />
Length = 1000mm<br />
Noise = 22NR Max.<br />
Throw = 5m @ 0.25m/s Terminal Velocity and –10° C<br />
Pressure = 7Pa Max.<br />
Selection:<br />
LD14/2 <strong>Slot</strong><br />
qv<br />
Noise<br />
Throw LT<br />
dPa<br />
= 100 l/s.m<br />
= 21NR<br />
= 11.8 x 0.4 Using Alternate Horiz. throws<br />
Correction factor = 4.8m<br />
= 6.7Pa<br />
www.air-diffusion.co.uk 9
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