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Tracking the Sun

Tracking the Sun. SLED Team. John Grutzner College of Science, Chemistry Alyssa Pantich College of Engineering, Biomedical Engineering Kari Clase College of Technology, Technology, Leadership and Innovation Nancy Tyrie 5 th Grade Teacher, Sunnyside Elementary Bryan Hubbard

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Tracking the Sun

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  1. Tracking the Sun

  2. SLED Team • John Grutzner • College of Science, Chemistry • Alyssa Pantich • College of Engineering, Biomedical Engineering • Kari Clase • College of Technology, Technology, Leadership and Innovation • Nancy Tyrie • 5th Grade Teacher, Sunnyside Elementary • Bryan Hubbard • College of Technology, Building Construction Management

  3. Additional Team Support Members • Melissa Colonis • Tecumseh Middle School, Math Specialist • Julie Bell • Purdue, Science Specialist • Connie Harris • Purdue SLED

  4. General Overview • Two lesson plans • Lunch speakers from CMTA Engineering • Design zero energy schools and assist with integrating building systems into the curriculum • Check the website for the most up to date lesson plans (modifications/clarifications are always being made) • Open ended design activities

  5. Solar Tracker • A solar tracker is device that orients a solar panel toward the sun. • Solar panel trackers are used to reduce the angle between the incoming light and a photovoltaic panel. • This increases the amount of energy produced

  6. Trackers are used on most large solar farms

  7. Power Lost Due to Panel not Facing the Sun • 15° 3.4% power lost • 30° 13.4% power lost • 45° 30% power lost

  8. Discussion on sun position

  9. Reasons for the Seasons

  10. Earth Rotation http://astro.unl.edu/naap/motion1/animations/seasons_ecliptic.html

  11. Direct versus Indirect

  12. Direct versus Indirect

  13. Direct versus Indirect

  14. Sun Position Additional Activities • Building earth/sun model • Solar dance • Shadow activities • Phototropic plants

  15. Sun/Earth Model

  16. Solar Dance

  17. Shadow Activity

  18. http://www.flickr.com/photos/jakeperks/2441258936/

  19. Components used by Engineers

  20. Ball Bearings http://static.ddmcdn.com/gif/how-to-maintain-a-skateboard-1.jpg http://skateboarding-tricks-01.webs.com/skateboarding-tricks.jpg

  21. Bearing Basics • Things roll better than they slide. • Rolling friction has less resistance that sliding friction. • These balls or rollers “bear” the load.

  22. Ball Bearings • Most common type • Very small contact point

  23. UC Berkeley

  24. Four Bar Linkage

  25. Lift platform Can crusher Front loader Example of Mechanisms

  26. Microwave carrier to assist people on wheelchair Lift platform Example of Mechanisms

  27. Four-Bar Linkage

  28. http://www.google.com/url?sa=t&rct=j&q=&esrc=s&frm=1&source=web&cd=1&ved=0CDcQFjAA&url=http%3A%2F%2Fmysite.cherokee.k12.ga.us%2Fpersonal%2Fcharles_wilson%2Fsite%2FSuspension%2520steering%2520power%2520points%2F1%2FAutomotive%2520Wheel%2520Bearings.ppt&ei=_JIIT4X6Aebo0QGG683ZDg&usg=AFQjCNEdrQKDRqYXUMtQJS-3BGuqzNfd7w

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