F - Mech Eng,Light,Heat,Weapons – 03 – B
Patent
F - Mech Eng,Light,Heat,Weapons
03
B
F03B 13/10 (2006.01) F03B 3/04 (2006.01) F03B 3/18 (2006.01) F03B 13/12 (2006.01)
Patent
CA 2695737
The invention is a Bulb turbine with mixed-flow propeller runner instead of axial flow propeller runner. The main area of application for the invention are the large tidal power plants (Fundy Bay, Severn Lake, etc.) with barrages where the propeller runners are working together with DC generators located in the bulbs. The theoretical fluid mechanical and energy output analysis show that the application of Bulb turbine with mixed-flow propeller and (Q11)opt =2.830m3/Sec would increase the energy output of the Fundy Bay tidal power plant with 200 units up to 4.5 million megawatt-hours per year in comparison with commercially available Bulb turbines with axial flow propellers and (Q11)opt = 2 200m3/sec without additional cost for the plant construction and its equipment. Also, the runner rotation of Bulb turbines with mixed-flow propellers [(N11)opt = 110.0rpm, N opt = 50.807rpm] is 0.667 times slower than of commercially available Bulb turbines [(N~1)opt = 165.Orpm, N opt = 76.211rpm] what makes these turbines fish friendlier than the commercially available Bulb turbines with axial flow propellers.
Gokhman Alexander
Na
LandOfFree
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