Working With Wind Energy

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Presentation transcript:

Working With Wind Energy Supavadee Aramvith Sohaib Qamer Sheikh IEEE TISP Workshop Bangkok, Thailand 6 & 7 August 2016

Working with Wind Energy Lesson Lesson Synopsis Students work in teams of "engineers" to design and build their own windmill out of everyday items. Learning Objectives Learn about wind energy conversion Design a wind turbine Construct the wind turbine Test the wind turbine Evaluate Performance

A Wind Turbine The wind hits the blades… Shaft leads to a gearbox whose output leads to a generator to make electricity Usually has 2 or 3 blades

Thailand’s Wind Resources Thailand’s total operating wind capacity is 223 megawatts, generating 305 gigawatt hours of energy as of 2014 46th in the world by installed capacity as of 2015 Thailand's Alternative Energy Development Plan (AEDP) in 2011 called for 25% of its energy to come from renewable sources by 2036 By June 2012, projects totaling over 1,600 MW had been proposed 11 operating wind farms, as of May 2015 Data from Global Wind Energy Council http://www.gwec.net/

Many blade designs

Your Challenge Design, construct and test your own wind turbine design Lift weight – 15 cm as quickly as possible Maximum 1 minute No human interaction! Blow dryer/fan at least 30cm away from turbine > 1ft, 30cm

Turbine Requirements Must have a rotor shaft around which to wind up given weight Must be freestanding (no human interaction) Must use only materials provided

Test Procedure Blow dryer/fan at least 30 cm away from turbine Attach weight around rotor Up to 1 minute to wind up weight for 15cm Record time to wind up weight > 1ft, 30cm

Materials Craft sticks Binder clips Bendable wire Paper fasteners String Clothespins Paperclips Teabag Rubber bands Toothpicks Aluminum foil, Plastic sheets Wood dowels Cardboard

Procedure Teams of 2 or 3 Develop and sketch your design Construct initial design Preliminary test Modify design, if necessary Final test

Evaluate Your Design Efficiency of design may depend on Cost of materials Speed (rotations per minute) Power (time to wind weight) Possible measure of efficiency: Eff. = (Cost of materials) / (time [sec] to lift weight) Are two designs that have the same rotational speed equally as “good”?