Air Rectangular and Round Duct Calculation Velocities Pressure
Drops Their Fittings Pressure Drops
Air Duct Calculation / What's New in vUnknown
New: System Design. Calculate a complete duct system: critical line
from the grille to the fan, several circuits (AHU, exhaust),
elbows, accessories, air conditions and duct materials, external
static pressure and PDF report.
