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Simple formulas

Don’t worry: No need to be an expert for using these basic formulas that will give you a a good idea about your water fall’s potential. These are very simple formulas. For results adapted to specific conditions, better contact a specialist...

Water fall formula

Valve formulas

Electric Power

Valve at moulin de
Sainte Rose

Layrac energy plant with its wall across
Gers river.

P = Q *H *G *K

P: Plant power in Kwh (Kilowatt hour)

Q: Flow rate in cubic meter per second.

H: Fall’s heith in meters.

G: Earth gavity (9.81 meters per second per second)

K: Coefficient due to friction losses, turbine type and efficiency, etc.. Consider more or less 0.8.

Exemple of micro-turbine,giving up to 1 Kw power..

A specific turbine for water mills, gives from4 to 50 Kw power.

If you have questions or suggestions, please let me know.