Calculations

# Air Duct Double Wye, Rectangular, Supply

According to 2001 ASHRAE Fundamentals Handbook C34, local pressure loss calculation at the 45° separation cross piece connected to the rectangular duct on the ventilation system blowing line.

 Fill in the form below. Unit System : SI Imperial Flow rate-Main (Qc) : m³/h lt/s Flow rate-branch 1 (Qb1) : Flow rate-branch 2 (Qb2) : Wc/H : 25 50 75 100 125 150 175 200 225 250 275 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500 25 50 75 100 125 150 175 200 225 250 275 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500 mm Wb1 : 25 50 75 100 125 150 175 200 225 250 275 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500 mm Wb2 : 25 50 75 100 125 150 175 200 225 250 275 150 175 200 225 250 275 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500 mm Fluid Temperature : °C Sound insulation : No 6 mm 10 mm 15 mm 20 mm 25 mm
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