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Table 3 Blade optimization results for the SD7062 airfoil

From: Multi-dimensional optimization of small wind turbine blades

Material

w

C p

T s (s)

Mass (kg)

Frequency (rad/s)

Tip deflection (m)

E-glass/polyester

1.0

0.468

1.67

0.482

268

0.036

0.75

0.465

1.48

0.505

326

0.031

0.5

0.308

0.66

0.206

142

0.205

Flax/polyester

1.0

0.469

1.36

0.386

242

0.056

0.75

0.467

1.19

0.370

262

0.060

0.5

0.425

0.81

0.22

201

0.129

ABS M-30

1.0

0.468

1.52

0.528

107

0.331

0.75

0.468

1.00

0.474

131

0.274

0.5

0.453

0.87

0.457

139

0.277

Hoop pine

1.0

0.469

2.51

0.881

207

0.038

0.75

0.467

2.30

0.931

247

0.033

0.5

0.410

1.44

0.549

160

0.104