Vane axial fan (downstream guide vanes — DSGV)
This is an axial fan with guide vanes downstream of the impeller to recapture the rotational energy and thus give a high pressure development and a higher efficiency. (See Figures 1.80 and 1.81).
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Ф SO. ЫOO 100.000 150.00«» Mm }-"-T’L",—L,——— ji—rXT—f—■Tl~T..4r—yi—pi,—f—yX-y-ij — fi—r’"l"T I WG kf>t< 0 10 ?0 30 <*0 |
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■Fan Sound Powet level dB INLET VOLUME — C. F.M. — -——Fan Toial 6H*c»«f«cy pei cent |
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FAN STATIC PRESSURE — INS W. G. |
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Pitch Angle |
4 |
6 |
6 |
10 |
12 |
14 |
16 |
18 |
20 |
22 |
24 |
26 |
28 |
30 |
32 |
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PeakS HP |
10 |
US |
13 |
Is s |
175 |
20 |
22.5 |
2SS |
28 |
31 5 |
34 |
37 5 |
42 |
46 |
50 |
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Aif D«nsity 0 075 lbs/ft* Ms» Free OischatQe 78.000 CFM Mex Duty 64,000 CFM & 2 & ms SWG Figure 1.81 Vane axial fan (DSGV) — typical characteristic curves |
Posted in Fans Ventilation A Practical Guide