for quick field calculations, which includes a subset of common fittings and allows results to be emailed as spreadsheet attachments for further analysis. How to Build Your Own Excel ESP Calculator

This is the user interface where the engineer inputs the operating parameters of the duct section being analyzed.

For example, fitting represents a S upply, R ectangular, Type 3 (Elbow), design number 5 . Each unique fitting code maps to an empirical formula or data table used to compute the dynamic loss coefficient ( Dynamic Loss vs. Friction Loss