1. It Blows You Away

3. Introduction

5. Principles

6. Uneven heating of earth’s surface and rotation

7. Beaufort Scale Devastation Over 119 Hurricane 12 Widespread damage to buildings 102-117 Violent Storm 11 Widespread damage to buildings 88-101 Storm 10 Chimney pots, roof tiles and branches blown down 75-87 Strong gale 9 Twigs break off trees; walking very hard 62-74 Gale 8 Whole trees sway; difficult to walk against wind 51-61 Near gale 7 Large branches sway; umbrellas turn inside out 40-50 Strong breeze 6 Wavelets on inland water; small trees move 30-39 Fresh breeze 5 Dust and paper blown about; small branches move 20-29 Moderate breeze 4 Twigs move; light flag unfurls 12-19 Gentle breeze 3 Wind felt on face; leaves rustle 6-11 Light breeze 2 Smoke drifts slowly 1-5 Light air 1 Smoke rises vertically 0-1 Calm 0 Effect km/h Strength Force

9. Velocity with Height

10. Power vs. Velocity

11. Lift and drag forces

12. Solidity and Tip speed ratio

13. Performance co-efficient and Betz criterion

14. Potential

16. Wind is currently the world’s fastest growing energy source

18. Growth of Wind Energy MW Installed Year

20. Wind Energy generating capacity by country, 1980-2003

21. Installed Capacity (MW) in 2005

22. Available potential in India

23. Wind Power Density of India

24. All India Fuel wise Installed Capacity, 2004

26. State wise potential in India, 2005

27. Technology

31. Two types of HAWT DOWNWIND TURBINE UPWIND TURBINE

34. A Typical HAWT

42. Economics

44. Wind Speed Matters Assuming the same size project, the better the wind resource, the lower the cost.

45. Size Matters Assuming the same wind speed of 8.08 m/s, a large wind farm is more economical

46. Overall cost distribution

47. Break down of capital cost

50. Economic Advantages

53. Future

55. Wind Capital Cost

56. Cost of Wind Energy

58. Australia now and 2040

60. Typical Concerns

64. Conclusion

66. THANK YOU

67. Furling