AE 4803   Wind Engineering (3-0-3)

Fall 2007

Instructor: Lakshmi N. Sankar

Room 360, 404-894-3014

lsankar@ae.gatech.edu

Course Objectives: This introductory course will allow students to learn about wind energy and its potential, model and design horizontal axis wind turbines, and conduct an analysis of the economic benefits of wind turbine systems.

Grade is based on three papers, one final project report, and an oral presentation.

Assignment #1

Assignment #2

Assignment #3 See Robert Scott’s design presentation here His acoustics presentation here

1. Overview of Wind Engineering (3 hours)
• AWEA 2002 Slide Show
• Benjamin Bell Presentation at the May 12, 2005 Workshop in Savannah
• Dan Arvizu’s Presentation at the May 12, 2005 Workshop in Savannah
• Martin McAdam’s Presentation at the May 12, 2005 Workshop in savannah
• Susan Stewart’s Presentation at the May 12, 2005 Workshop in savannah
• Wind Energy Trade Study (New Zealand)
• Wind Turbine Design Report
• Small Wind Turbine Guide

2. Actuator disk model of horizontal axis wind turbines (3 hours)

Momentum theory

3. Review of airfoil aerodynamics (6 hours)

Airfoil Theory (Part 1)

Panel Method

Sample Panel Code

4. Blade element theory (6 hours)

• AeroDyn Theory Aerodyn User Guide

5. Horizontal axis wind turbine analysis and design using blade element theory (6 hours)
6. Conversion of mechanical energy into electricity (3 hours)

Basics AC Generators

Hybrid Power Systems

      Hybrid System Simulation programs

                  (http://www.ecs.umass.edu/mie/labs/rerl/hy2/intro.htm) or http://analysis.nrel.gov/homer/

7. Economic analysis of wind turbine systems (3 lectures)    http://analysis.nrel.gov/windfinance/login.asp
8. Impact of wind turbines on the environment (3 lectures)

Avian Collisions with Wind Turbines: A Summary of Existing Studies and Comparisons to Other Sources of Avian Collision Mortality in the United States

Potential Avian Impact in Western North Carolina

Wind Turbine Noise Wind Turbine Acoustics

http://www.awea.org/pubs/factsheets/WE_Noise.pdf

http://www.bwea.com/pdf/noise.pdf

http://www.wind-watch.org/documents/wp-content/uploads/UKNA-WindFarmReport.pdf

9. Aeroelastic analysis
10. Presentations by students (3 hours)

There are no required text books. There are several excellent sources of information on the web. Here is a representative list.

• http://www.awea.org/resources/resource_library/
• http://www.dsireusa.org/
• http://www.nationalwind.org/
• http://www.wind-works.org/articles/index.html
• http://www.cleanenergyresourceteams.org/windenergy.html
• http://www.awea.org/pubs/factsheets/10stwf_fs.PDF  10 Steps to Building a Wind Farm
• http://www.ae.uiuc.edu/m-selig/propid/