Design Data
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The unit system and the system data in the form of
physical and environmental parameters and their limits are set here.
- Unit
System - Displays the native unit system applied to design data
parameters.
The unit system gets set to one of the below
options:
The design file unit is selected by default.
Note: The
currently set units are displayed in bracket against the duct design data and
for size and dimension fields.
- Alternate
Unit - Displays the
Airflow Unit applied to design data
parameters.
The Airflow Unit can be set to one of the below
options:
- Duct
Design Data — Various physical parameters of a duct system are
defined here.
- Limit Duct
Velocity — Duct velocity limit is set here. Enter a new value to override the
default value, as required. This is the
Main Duct Velocity value displayed
in the header on the Duct Sizing - Section summary dialog.
- Material Type —
The material type for duct is set here. Select the material type that is best
suitable for your project.
- Roughness -
Displays the roughness value for the selected duct material.
- Air Temperature
— Sets the value of air temperature for proposed air flown though duct.
Overwrite the default value to actual in design.
- Atms Pressure —
Sets atmospheric pressure value. You can override the default value to suit the
one best for your site.
- Air Density -
Sets air density value. You can override the default value that fits the best
for your source equipment.
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Size Criteria
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The size criteria allows defining shape and
dimension of the duct system as well as setting incremental step or standard
range to restrict taking aberrant sizes in computing.
- Circular Ducts —
Sets nearest incremental steps or apply a standard range criteria that
restricts the diameter within a given range and apply the step value for next
higher dimension.
- Equivalent Diameter
Equation — Sets one of the standards that provide equivalent diameter values
computed using the standard equation.
The available options are:
- Rectangular and Oval
Ducts — Sets shape, increment step value and range of aspect ratios taken in
computing.
The Aspect Ratio is ratio of width to depth (w/d) of
rectangular or oval ducts.
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Reporting Options
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Sets the report style and adds a logo image in
report heading.
- Reporting Style —
The selected reporting style inherits the report presentation according to the
format defined in the style.
The available style options are:
- Apex
- Aspect
- Civic
- Corporate
- Office
- Normal
- Solstice
These style sheets inherit internal style attributes and
shades defined for title, caption, table data and page info.
- Logo — Defines the
image as logo to appear on every report head.
- Browse — Opens
the folder to select an image file that is to be assigned as logo. This image
may serve as company logo or brand printed in the headers on each sheet of
report.
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dialog controls
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- OK — Saves the
current settings and closes the dialog.
- Cancel — Closes the
dialog without changing any settings.
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