Ashrae Duct Fitting Database 2016

The ASHRAE Duct Fitting Database (2016) is available for purchase through the ASHRAE Bookstore as a downloadable package, including:

for the theoretical basis of duct design and roughness factors used in the database. Browse the Ductsize Update Log from Elite Software ashrae duct fitting database 2016

In an era where energy codes (such as ASHRAE 90.1) are increasingly stringent, "guessing" fitting losses is no longer acceptable. A standard mitered elbow without turning vanes has a significantly higher loss coefficient than a stamped radius elbow. The DFDB allows engineers to quantify this difference, justifying the specification of higher-quality fittings to reduce system static pressure and fan energy consumption. The ASHRAE Duct Fitting Database (2016) is available

: Periodic updates to specific fitting codes (e.g., SR7-2, SR7-3) to refine calculation parameters. Further Exploration Review the Official ASHRAE DFDB Page for subscription details and current version features. Consult the ASHRAE Handbook—Fundamentals (Chapter 21) The DFDB allows engineers to quantify this difference,

The database eliminates the need for engineers to manually interpolate massive, complex charts found in physical handbooks by automating fluid dynamic equations.

) tables that allow engineers to calculate dynamic pressure loss using the formula: