List of symbols
1P | The fundamental rotational frequency |
Ab | Bolt stress area |
Af | Effective cross-sectional area for the compressed flanges |
As | Surface area to be protected |
Amid | Area inscribed by the mid-thickness line |
A | Cross-sectional area |
CMxoff | Offset of rotor nacelle assembly (RNA) along x from tower-top centerline |
CMyoff | Offset of RNA along y from tower-top centerline |
CMzoff | Offset of RNA along z from tower-top centerline |
Cd | Drag coefficient |
Cm | Added mass coefficient |
C | Constant in the σ–N curve |
DTRb | Tower-base DTR |
Table Continued |
DTRt | Tower-top DTR |
DTR | Diameter-to-thickness ratio |
Db | Tower-base outer diameter (OD) |
Dt | Tower-top OD |
Dbc | Bolt circle diameter in the flange connection ... |
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