Ductsize quickly calculates optimal duct sizes
using either the static regain, equal friction,
or constant velocity method. Data entry can be
accomplished manually or taken graphically from
either Drawing Board or Autodesk Building
Systems 2005. Duct sizes can be calculated on
a round, rectangular, and flat oval basis.
Noise levels and required attenuation are
printed for each runout duct. A library of fan
data for noise calculations is built into the
program. Ductsize allows an unlimited number
of duct sections, and is suitable for both
constant volume and VAV systems as diversity is
accounted for. Ductsize also has an option
for specifying duct height and width constraints
to control sizes. This feature is also useful
for analyzing problems in existing systems where
the duct sizes are already specified. The
Ductsize Program is based on the design
procedures given in the ASHRAE Handbook of
Fundamentals and the SMACNA HVAC Systems Duct
Design Manual. Important new features include
a Project Explorer that provides a tree-style
graphical representation of all trunks and
runouts in the project. In addition, both
supply and return duct systems can be entered
in the same project.

Download File Size:10.85 MB

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