Free service fi calculate building materialsCalculation of ventilation performance
Calculation a di volume a air weh a pass chruu di ventilation system
F - Air duct cross-sectional shape. Rectangular or round.
D - Duct diameter.
X - Width a rectangular duct.
Y - Height a one rectangular duct.
E - Air speed, per second.
Program capabilities.
Calculation a di volume a air weh a pass chruu di ventilation duct.
Author of the project: Dmitry Zhitov
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