Turbulent Flow & the Moody Chart

Inside this lesson

Define the Darcy friction factor f and relative roughness ε/D
Identify the four regions of the Moody chart and the physics of each
Compute f in turbulent flow using the Colebrook equation and the Haaland approximation
Combine f with the Darcy-Weisbach equation to find major head loss

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Interactive simulators for the Moody chart, Bernoulli's equation, hydrostatic forces, and more.

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Educational content covering topics typical of a first- and second-year mechanical engineering curriculum. Not a substitute for accredited coursework, and not suitable for real fluid-system design without review by a licensed professional engineer.