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Pipe velocity
Find average flow velocity in a full circular pipe.
Equation and assumptions
v = Q / A; A = πD²/4; QSI = Q/3600; DSI = D/1000
Full circular pipe, steady flow and internal diameter. Does not establish acceptable velocity, water hammer, pipe strength or erosion limits.
The source below supports the underlying unit, mass-balance or hydraulic method. It does not validate this software or a proposed engineering design.
U.S. Department of Energy — Fluid flow fundamentalsUse for preliminary screening. Verify inputs, physical assumptions and results independently before engineering design, operational changes or safety decisions.
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