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Glossary

Darcy-Weisbach Equation

See a complete worked example in the Pipe Network Pressure Drop: Engineering Workflow.

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Article Darcy-Weisbach Equation Explained The friction-factor method behind every FluidFlow pressure-drop result. Article Friction Losses and the Reynolds Number How flow regime and the Reynolds number drive the friction factor. Knowledge Base Energy & Hydraulic Grade Lines (EGL/HGL) Visualizing friction loss along a network with EGL/HGL plots.

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Guide Orifice Plate Sizing Automatic orifice-plate sizing for flow measurement and restriction. Guide Pumps in Parallel & Series How combined pump curves shift the system operating point. Guide Centrifugal Pump Performance Curve Reading head, efficiency and NPSHr from manufacturer curves.

Reviewed by the FluidFlow Engineering Team · Last reviewed: June 2026 · Applies to FluidFlow v3.54 (steady-state analysis)

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