Head × flow × 9.81: pico and micro hydro math for farms, estates and hill villages — measured with a bucket, free.
Power and annual energy from head × flow × efficiency — micro hydro site (5–100 kw) presets.
Power and annual energy from head × flow × efficiency — pico hydro site presets.
Field flow measurement (float method) with accuracy notes.
Hazen-Williams friction loss, net head and velocity check — micro-hydro penstock.
Field flow measurement (bucket/volumetric) with accuracy notes.
Power and annual energy from head × flow × efficiency — natural waterfall presets.
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