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Ashrae Duct Fitting Database Excel Link
Review: ASHRAE Duct Fitting Database (DFDB) – Excel Link Edition
Key Features Include:
The ASHRAE DFDB is a comprehensive repository of over 200 loss coefficient tables for round, rectangular, and flat oval duct fittings. It allows users to input airflow (CFM) and dimensions to automatically obtain the loss coefficient ( ) and the associated pressure loss.
| Duct Fitting Type | Loss Coefficient | Description | | --- | --- | --- | | Elbow (r/D = 1.5) | 0.45 | 90° elbow with radius-to-diameter ratio of 1.5 | ashrae duct fitting database excel link
Benefits of Using the ASHRAE Duct Fitting Database
Use INDEX-MATCH or XLOOKUP to retrieve the (C_o) based on fitting type and geometry (e.g., Radius/Diameter ratio for elbows). Review: ASHRAE Duct Fitting Database (DFDB) – Excel
| Column A | Column B | Column C | Column D | Column E | | :--- | :--- | :--- | :--- | :--- | | Fitting ID | Description | Shape (Rnd/Rect) | Parameter 1 (R/D) | C_o | | EL-01 | Smooth Elbow 90° | Round | 1.5 | 0.15 | | EL-02 | Smooth Elbow 45° | Round | 1.5 | 0.08 | Custom Calculation Engines: You can build your own
Unlocking the ASHRAE Duct Fitting Database: The Excel Link You’ve Been Looking For
Method C – Use Commercial Add-ins (No Coding)
- Custom Calculation Engines: You can build your own duct sizing workbook that references the fitting database via lookup functions.
- Automation: No more manual transcription of (C_o) values. Link fittings directly to pressure drop reports.
- Cost & Access: A full ASHRAE software license can cost hundreds of dollars. An organized Excel sheet (where legally permissible) offers flexibility.
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