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Our second application is Air Duct Calculator (for Pocket PC).

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It is similar to Trane Ductulator (It costs US$10-$15, our Air Duct Calculator is 100% Free!).

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The Ductulator - Duct Sizing Calculator is a hand held rotating calculator used for sizing supply and return duct systems using the equal friction design method.  

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Our Air Duct Calculator allows users to size ductwork and calculate duct pressure losses.The program is designed for use by Building Services Engineers, Mechanical Engineers and HVAC Engineers who design air distribution or exhaust systems for Heating Ventilating and Air Conditioning systems.

The program uses the Moody equation, the Colebrook equation, the Darcy-Weisbach equation, the perfect gas laws, and the Huebscher equation.

The Trane Ductulator designed for standard air and galvanized steel ductwork do not allow users to correct for non-standard air conditions, or for other types of duct material. Our Air Duct Calculator allows users to select the following duct materials and input any temperature and pressure etc.

Duct Material:
1) Uncoated Carbon Steel (smooth)
2) PVC Plastic Pipe (smooth)
3) Aluminum (smooth)
4) Galvanized steel (medium smooth)
5) Galvanized steel (average smooth)
6) Fiberglass duct (medium rough)
7) Fiberglass duct (rough)
8) Flexible metallic duct (rough)
9) Flexible duct fabric and wire (rough)
10) Concrete (rough)

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Download Air Duct Calculator

        

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Open: 1 April 2005    Updated:

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