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    Effect of Blade Number and Length on Wind Turbine Aerodynamics
    Experiments, Labs, Theses and Dissertations, Patents
    For Science Fair Projects, Labs, Lesson Plans and Research
    For Middle School, High School and College Students and Teachers

    Wind Turbine Blade Experiments and Studies


      There are a few design considerations in order to determine the optimal number of blades and length of a wind turbine, among others: aerodynamic efficiency, cost, reliability, and aesthetics.

      Background Information

    • Learn about Wind [View Resource]
    • Small Wind Turbine Basics [View Resource]
    • Wind turbine design [View Resource]
    • Efficiency and performance of wind turbines [View Resource]
    • Wind turbine aerodynamics [View Resource]
    • Wind Turbine Blade Aerodynamics [View Resource]

      K-12 Experiments, Labs, Lesson Plans and Science Fair Projects

    • Effect of Blade Size (Length, Area) and Shape on Electrical Output of a Windmill [View Experiment]
    • Number and Size of Blades of a Wind Turbine vs. Electrical Output [View Experiment]
    • Develop and investigate wind turbine rotor designs to evaluate which produces the most energy at a certain wind speed [View Experiment]
    • Wind Turbine Science Projects [View Experiment]
    • How Wind Turbines are Made [View Experiment]
    • Working with wind energy [View Experiment]
    • Basic PVC Wind Turbine Experiment [View Experiment]

      College Experiments, Labs, Studies and Articles

    • Active Load Control Techniques for Wind Turbines [View Experiment]
    • University Collaboration on Wind Energy [View Experiment]
    • Concepts to Facilitate Very Large Blades [View Experiment]
    • Horizontal Axis Wind Turbine Aerodynamics: ThreeDimensional, Unsteady, and Separated Flow Influences [View Experiment]
    • Design of a wind tunnel scale model of an adaptive wind turbine blade for active aerodynamic load control experiments [View Experiment]
    • Smart rotor blades & rotor control [View Experiment]
    • Aero-Structural Performance of Multiplane Wind Turbine Blades [View Experiment]

      Theses and Dissertations

    • Simulations of flow over wind turbines [View Thesis]
    • Ultimate strength of a large windturbine blade [View Thesis]
    • Aerodynamic design and optimization of horizontal axis wind turbines by using BEM theory and genetic algorithm [View Thesis]


    • Blades or vanes for fluid flow machines (US Patent 3614260, 1971) [View Patent]
    • Wind energy concentrators (US Patent 4045144, 1977 ) [View Patent]
    • Double wind turbine with four function blade set (US Patent 4129787, 1978 ) [View Patent]

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    Last updated: June 2013
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