Ashrae Duct Fitting Database Excel Link !exclusive! -

Several HVAC software developers offer commercial Excel add-ins that wrap the ASHRAE DFDB equations into custom Excel functions. Once installed, these add-ins allow you to type formulas directly into a cell, such as: =ASHRAE_FIT_COEFF("SD5-1", Diameter, Velocity)

varies dynamically based on geometry (aspect ratios, angles, turning vanes) and flow conditions (Reynolds number, volume flow ratios), static charts quickly become unmanageable. The Value of an Excel Link for HVAC Engineers

Now you have a live query. When ASHRAE updates the database (rare), you can refresh the link. ashrae duct fitting database excel link

If you are using manual lookup tables, ensure your formulas utilize linear interpolation. Fitting coefficients rarely land exactly on the whole numbers listed in design tables. Step 3: Compile the Total Static Pressure Summary

The DFDB is a software tool and digital reference that includes loss coefficient tables for hundreds of duct fittings. It is designed for engineers to calculate pressure drops (ΔP) across components like elbows, tees, transitions, and offsets. When ASHRAE updates the database (rare), you can

Utilize the or Save Report as CSV functionality.

ASHRAE fittings are bound by specific geometric ratios (e.g., Step 3: Compile the Total Static Pressure Summary

to Microsoft Excel in real-time, the database provides specific export features designed for this purpose. Engineers typically use the ASHRAE Duct Fitting Database

| Feature | Description | | :--- | :--- | | | Over 200 round, rectangular, and flat oval fittings with pictorial outlines | | Unit Flexibility | Built-in conversion between I-P and SI units | | Project Management | Save fittings into project files (.dfdb) for easy storage and transfer | | Search Capability | Type partial or full fitting code names to quickly retrieve specific fittings | | Reporting | Generate and email reports with spreadsheet attachments for further analysis | | Custom Parameters | Change minimum and maximum allowable values for all input parameters | | Data Export | Generate CSV or XML outputs for Excel, Revit, or other analysis tools | | Mobile Access | Free DFDB Lite app for iOS devices for field calculations |