Main parameters of the prototype wind turbine, 1:2 virtual model and 1:100 centrifuge model
| Parameter | 3.5 MW prototype wind turbine | 1:2 virtual model | 1:100 centrifuge model |
|---|---|---|---|
| External diameter, D | 4·00 m | 1·935 m | 19·35 mm |
| Internal diameter, d | 3·80 m | 1·625 m | 16·25 mm |
| Thickness, t | 0·10 m | 0·047 m | 1·55 mm |
| Loading eccentricity, ex | 30·0 m | 14·74 m | 147·4 mm |
| Embedment length, L | 20·0 m | 10 m | 100 mm |
| Bending stiffness, EpIp | 51·1 GNm2 | 25·8 GNm2 | 242·1 Nm2 |
| L/D ratio | 5·00 | 5·17 | 5·17 |
| G0 | 180 MPa | 127 MPa | 127 MPa* |
| Es | 468 MPa | 330 MPa | 330 MPa* |
| kr | 0·0007 | 0·0078 | 0·0073* |
| Parameter | 3.5 | 1:2 virtual model | 1:100 centrifuge model |
|---|---|---|---|
| External diameter, | 4·00 m | 1·935 m | 19·35 mm |
| Internal diameter, | 3·80 m | 1·625 m | 16·25 mm |
| Thickness, | 0·10 m | 0·047 m | 1·55 mm |
| Loading eccentricity, | 30·0 m | 14·74 m | 147·4 mm |
| Embedment length, | 20·0 m | 10 m | 100 mm |
| Bending stiffness, | 51·1 GNm2 | 25·8 GNm2 | 242·1 Nm2 |
| 5·00 | 5·17 | 5·17 | |
| 180 MPa | 127 MPa | 127 MPa | |
| 468 MPa | 330 MPa | 330 MPa | |
| 0·0007 | 0·0078 | 0·0073 |
*Values at 100g
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