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C OHERENT A PPLICATION T HREAD S

CATs. C OHERENT A PPLICATION T HREAD S. Wind Turbines. Supplemental Learning Module ME 305 Mechanics of Materials Blade bending and structural design. Don Wroblewski Associate Professor, Mechanical Engineering Associate Chair, Aerospace Engineering Undergraduate Program.

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C OHERENT A PPLICATION T HREAD S

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  1. CATs COHERENT APPLICATION THREADS Wind Turbines Supplemental Learning Module ME 305 Mechanics of Materials Blade bending and structural design Don Wroblewski Associate Professor, Mechanical Engineering Associate Chair, Aerospace Engineering Undergraduate Program

  2. Wind Turbine Blade Loading Primary load is bending load due to lift Torsion Torque Forces V (Wind speed) Thrust forces y Bending Moment Diagram x Mx Rotation z

  3. Wind Turbine Blade Structural Design I-Beam Flange: bending load Shear web: shear load Wind Turbine Blade with Spar Spar Caps: bending load Spar Web: shear load Skin or shell: Torsion and buckling Wind Turbine Blade with Box Spar Box spar provides increased torsional support

  4. WIND TURBINE BLADE BEAM ANALYSIS BENDING STRESS y Compression Tension yMAX x M z

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