Research Article

Static Mechanical Properties and Modal Analysis of a Kind of Lift-Drag Combined-Type Vertical Axis Wind Turbine

Table 10

The first six-order mode natural frequency of main blade.

OrderValue

First order [Hz]18.0535
Second order [Hz]18.0543
Third order [Hz]28.2657
Fourth order [Hz]75.4023
Fifth order [Hz]80.6801
Sixth order [Hz]80.7842