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Table 2 Fiber and resin materials’ properties extracted from (courtesy [25])

From: Multi-objective optimization of vertical-axis wind turbine’s blade structure using genetic algorithm

Type

E1

G12

υ12

s1

T1

ρ

C

t

E-glass

72

38

0.4

2400

2400

2600

30

0.6

S-glass

85

39

0.4

4500

4500

2500

50

0.6

Aramid

4

6

0.4

3.6

3.6

1500

80

0.6

HS carbon

253

18

0.3

4500

4500

1800

150

0.5

Polyimide

3.45

0.13

0.5

70

89

1218

13

-

Polyester

4

0.24

0.5

80

80

1250

11

-

Epoxy

4.5

0.27

0.4

130

130

1320

15

-

Units

GPa

GPa

--

MPa

MPa

kg/m3

-/m3

mm