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Design of a Solar Collector

Design of a Solar Collector. For a Trochoidal Gear Engine. Fall Progress Report Amy Manganello Advisor: Prof. Richard Wilk. Accomplishments. Problem definition (spring ’05) Familiarize myself with principles of solar energy and collector design (weeks 1-5, ongoing)

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Design of a Solar Collector

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  1. Design of a Solar Collector For a Trochoidal Gear Engine Fall Progress Report Amy Manganello Advisor: Prof. Richard Wilk

  2. Accomplishments • Problem definition (spring ’05) • Familiarize myself with principles of solar energy and collector design (weeks 1-5, ongoing) • Produce design options (weeks 7/8) • Choose design/Make SolidWorks model (week 9) • Proposal, IEF, presentation, report (ongoing)

  3. A Trochoidal What??? • Ener-G-Rotors designed a TGE • Rankine Cycle • Reduced contact friction • Lowers input temperature • Solar thermal power a possibility • Design Specifications • Temperature input, T = 170°F • Power input, P = 35.2 kW • Manufacturability, Cost, Size http://www.easa.com/indus/stator11.html

  4. Collector DesignA Basic Flat-Plate Collector http://www.nemmar.com/images/i03/ESHI-solar-power-image2.jpg

  5. Collector Optimization • Concentrating Collectors • Focus sunlight = high temperatures • Shape, reflection, lenses, and tracking systems • Insulation • Transparent: prevents losses from the absorber • Opaque: prevents losses from the back and sides of the collector body http://www.powerfromthesun.net/chapter1/Chapter1.htm

  6. Design Options: Parabolic Trough Collector Advantages: • Shape focuses light onto absorber Disadvantages: • If Fresnel lenses are used, shape is unnecessarily complex

  7. Design Options: Dish Collector Advantages: • Focuses light to a point Disadvantages: • Difficult to make • Costly

  8. Design Options:Enclosed Flat Plate Collector w/ Fresnel Lenses Advantages: • Simple/Easy to manufacture • Focuses light using Fresnel lens • Double cover insulates Disadvantages: • Will the temperature equalize across the area of the plate? ***Design Chosen to Test

  9. Prototype Design • Two lenses deep, one wide • Two covers for insulation • Ten copper pipes (3/4’’ diameter) • Aluminum body surrounded with insulation

  10. Prototype Design

  11. Future Goals • Build and test prototype • Thermal analysis in SolidWorks • Finalize design/build SolidWorks model • Order parts • Build full scale model • Modify and optimize

  12. Acknowledgements/References • Prof. Wilk • Ener-G-Rotors • http://www.easa.com/indus/stator11.html • http://www.powerfromthesun.net/chapter1/Chapter1.htm • Kreider and Kreith The Solar Energy Handbook McGraw Hill New York: 1981

  13. Questions???? “Life Can Be So Sweet On The Sunny Side Of The Street”~D. Fields ?

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