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lab:zephyr:rotors [2016/07/16 20:44] – [Rotors] chrono | lab:zephyr:rotors [2016/07/25 13:46] – [Power Estimation] chrono | ||
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^ <x 12> | ^ <x 12> | ||
^ <x 12> | ^ <x 12> | ||
- | ^ <x 12> | + | ^ <x 12> |
**Example: eXperimental Turbine Lenz-Rotor with 0.96 m² surface @ 4 m/s** | **Example: eXperimental Turbine Lenz-Rotor with 0.96 m² surface @ 4 m/s** | ||
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| Decent VAWT | 0.30 | | | Decent VAWT | 0.30 | | ||
| Good VAWT | 0.35 | | | Good VAWT | 0.35 | | ||
- | | Superb | + | | Good HAWT | 0.40 | |
- | | Superb | + | | Big Grid MW+ HAWT | 0.45 | |
=== Torque === | === Torque === | ||
Line 161: | Line 161: | ||
<x 20> | <x 20> | ||
- | Re = {{V ∗ D ∗ \rho}/{\u}} | + | Re = {{V ∗ D ∗ \rho}/{\nu}} |
</x> | </x> | ||
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^ <x 12> | ^ <x 12> | ||
^ <x 12> | ^ <x 12> | ||
- | ^ <x 12> | + | ^ <x 12> |
- | ^ <x 12>\u</x> | m²/s | Kinematic viscosity of Air (1.57e-5 at 25 °C) | | + | ^ <x 12>\nu</x> | m²/s | Kinematic viscosity of Air (nu) ~1.57e-5 at 25 °C | |
**Example: Helical Gorlov-Rotor with 35 cm radius @ 4 m/s** | **Example: Helical Gorlov-Rotor with 35 cm radius @ 4 m/s** |