Design Wind Power Turbine - Hybrid Anisotropic Materials for Wind Power Turbine Blades - page 37

Spar web profile

FIGURE 2.16
Spar.web.proile.

Shear web pultrusion spar

Carbon fiber
in unsupported
leading edge

Fiberglass skin

1/3L

2/3L

Design shear web pultrusion profile

FIGURE 2.17
Design.shear.web.pultrusion.proile.

2.9 MinimizingtheOptimalNumberofShear

Webs(Spars)andTheirPlacement
2.9.1 Introduction

It.is.very.important.to.ind.a.stress.function.and.satisfactory.boundary.con-
ditions. of. the. shear. stress. distribution. between. the. outside. prepreg. layers.
and.the.spars.in.case.of.a.bending.moment.and.a.twisting.transverse.force.
that.act.simultaneously.