Swirl Diffusers-we.. - Air Diffusion

Ceiling Swirl DiffusersModel OD-7Performance DataHLQ∆tzA,B∗V H1∆t LQ∆tzLx1.8mH1V L∆t L∗Q (m 3 /h) Air flowx (m) Horizonal distance to the wallH (m) Room heightH1 (m) Distance from ceiling to occupied zoneL (m) Throw distance (L=H1 + x)V L (m/s) Air velocity at the throw distance L∆t z (K) Temperate difference between the supplyand room air∆t L (K) Difference between the core and room airtemperature∆p t (Pa) Pressure dropL WA (db(A)) Sound power levelV H1 (m/s) Air velocity at the H1 distanceA, B (m) Distance between diffusers by length andby widthAir velocity of the throw distance (with ceiling effect)Size 100B ≥ 4.0mH1= 0.9 1.2 1.6 2.0 mH1= 0.9 1.2 1.6 2.0 mB = 2.5-4mA1= 0.5 1.0 2.0 3.0 mV H1 v A (m/s)0.500.400.300.200.150.101501005030 (m 3 /h)350300250200V H1 v A (m/s)0.600.400.300.200.150.101005030 (m 3 /h)150 300250200V L V (m/s)0.700.600.500.400.300.200.150.1030 m 3 /h501003002502001500.130.100.070.050.040.030.02∆t L / ∆t z∆t L / ∆t ZSize 1250.71.0 1.5 2.0 3.0 4.0 6.0 mA0.71.0 1.5 2.0 3.0 4.0 6.0 mA0.70.011.0 1.5 2.0 3.0 4.0 7.0 10.0 mLH1= 0.9 1.2 1.6 2.0 mB ≥ 4.0mH1= 0.9 1.2 1.6 2.0 mB = 2.5-4mA1= 0.5 1.0 2.0 3.0 mV H1 v A (m/s)0.600.400.300.200.150.10250150100725036 m 3 /h300V H1 V A (m/s)0.600.400.300.200.150.1015010072503625 m 3 /h200 250V L V (m/s)0.600.400.300.200.150.1025200145110725436∆t L / ∆t Z250 m 3 /h0.130.100.070.050.040.030.02∆t L / ∆t zV H1 V m/sSize 1600.400.300.200.150.100.080.060.040.7 1.0 1.5 2.0 3.0 4.0 6.0 mAB ≥ 4.0mH1= 0.9 1.2 1.6 2.0 mV=200m 3 /h1501007550400.7 1 1.5 2 3 4 5 6 mAV H1 V A (m/s)0.40.30.20.150.10.080.060.040.7H1= 0.9 1.2 1.6 2.0 m0.71.0 1.5 2.0 3.0 4.0 6.0 mAV=200 m 3 /h150100755035B = 2.5-4m1 1.5 2 3 4 5 6 mAV L V (m/s)0.400.300.200.150.100.060.7A1= 0.5 1.0 2.0 3.0 m0.70.011.0 1.5 2.0 3.0 4.0 7.0 10.0 mLV - 200 m 3 /h15010075603525∆t L / ∆t Z0.100.080.060.040.030.020.011 1.5 2 3 5 7 10 mL∆t L / ∆t z15