Output

Questions and comments are much appreciated.

Please contact-
mike@hydro-electric-barrel.com

Last site update

19-05-2010

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Output power estimations using 2 different methods

Calculation using simple formula for POWER

Horsepower = Torque (foot pounds) x 2 pi x rpm / 33000 which simplifies to:
Horsepower = Torque x rpm / 5252.

Finding TORQUE by calculating the water pressure on the paddle area using:-
Paddle Area x Length x density of water x (Velcity of current2 / 2 x gravitational constant)
And multiplying this by RADIUS

Model 1:-    1.5 Metre Diameter HEB
HEB_formula for power1.5M_html_73378a6502

Model 2:- 2 Metre Diameter HEBHEB_formula for power2M_html_13a6d27f03

 

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