The workbook also solves for unknown flow rate when pressure drop is known.
: Capabilities for sizing piping systems for both incompressible (liquids) and compressible (gases) fluids. Flow Of Fluids Excel Workbook Free Download
This free, downloadable toolkit automates the most common fluid mechanics calculations using standard equations (Darcy-Weisbach, Bernoulli, Hazen-Williams). The workbook also solves for unknown flow rate