Circular Ceiling Diffusers - Air Diffusion
Circular Ceiling Diffusers - Air Diffusion
Circular Ceiling Diffusers - Air Diffusion
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<strong>Circular</strong> <strong>Ceiling</strong> <strong>Diffusers</strong>Performance GuideExampleSelection data:<strong>Air</strong> flow rate qv = 0.25m 3 /sThrow L T = 2.5m at V T = 0.5m/sVTΔ tLqvΔ tsSelectionSizeSupply air velocity V k = 4 m/sNoise level NR 35Total pressure loss with damper type DT003100% open: ΔP t = 14PaLTtRInduction and temperature quotient fordiffusers with ceiling effectInductionTemperature Quotienti30252018161412109876160 200 250315355400450500630Δ tLΔ tL0.30.250.20.130.160.140.120.10.090.080.070.06Δ t LΔ t s63050045040035550.0531540.0430.032502.520.0250.022001.5LT(m)0.0151 1.5 2 2.5 3 4 5LT(m)16020 www.air-diffusion.co.uk
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