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Identifier

GPS_2011_GRAND_Inventus_Optimization_of_Wind_Energy

Date

2011

Abstract

Modern wind turbines display only 40% efficiency in harnessing the kinetic energy of wind for electrical generation. Nature has provided engineers with the concept of tubercles. Current tubercle-lined designs require complete replacement of the turbine blade, at a high cost, thus a need exists for a retrofit option to lower the cost of implementation. To analyze the effectiveness of a retrofit versus a fully tubercle-lined airfoil, InVentus obtained a virtual model of a standard turbine blade, then constructed tubercles on a duplicate model, comparing aerodynamic test results with those of fully tubercle-lined designs. This research shows that through further testing and model optimization, such as utilizing more tubercles per blade, a standard turbine blade retrofitted with tubercle units can increase the efficiency and effectiveness of existing wind turbines in similar form to complete replacement of blades, at a far lower cost.

Keywords

Grand Challenges

Language

English

Publisher

Worcester Polytechnic Institute

Rights

Creative Commons License
This work is licensed under a Creative Commons Attribution-Noncommercial 4.0 License

Course

Grand Challenges

Program

Great Problems Seminar

Format

application/pdf

InVentus: Optimization of Wind Energy


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