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Need help on calculation of power coefficient for contra-rotating turbine |
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October 4, 2012, 22:01 |
Need help on calculation of power coefficient for contra-rotating turbine
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#1 |
New Member
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Dear all,
I am making a contra-rotating wind turbine using S822-S823 airfoil. The turbine is designed for 10kW scale (rotor radius is 3.58m, wind speed is 10m/s) This is my first work for 3D simulation of turbine, and I use BEM. My problem is regardless of whatever I set up, meshing... the power coefficient is always unreasonable (please refer to my document here): https://docs.google.com/file/d/0B3JU...JGNy1KTDA/edit So, please guide me how to validate the performance of the turbine, or introduce me any reference that have detailed thoery, study about contra-rotating turbine and its performance analysis. Thank you very much! |
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