A waterwheel is optimized by a water quantity of Q = 250 l / s . It works in a range from 25 l / s … to …ca. 500 l / s . Specification / calculation D = 4000 mm Hw = 4200 mm Q = 250 l/sec (200 days/ year) cell filling = 0,45 % speed = 1,35 m/sec segment - rim ( radial ) = 330 mm
0,250 m³/s
segment - rim ( broadness )=
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1,25 m
0,33 m x 1,35 m/sec x 0,45
number of cells : 10 x (4,00 - 0,33) = 36,7 chosen = 40 cells = 20 segments
ventilated cells
.…natural power generation Looking at the slow rotation ( here 6,45 Rpm ) waterwheels are not dangerous for fish and small organisms , but can be helpful with their wanderings. Besides they support the rivers with O 2 supply.