Design of a Solar Collector For a Trochoidal Gear Engine Fall Progress Report Amy Manganello...
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Transcript of Design of a Solar Collector For a Trochoidal Gear Engine Fall Progress Report Amy Manganello...
Design of a Solar Design of a Solar CollectorCollector
For a Trochoidal Gear EngineFor a Trochoidal Gear Engine
Fall Progress Report
Amy Manganello
Advisor: Prof. Richard Wilk
AccomplishmentsAccomplishments
Problem definition (spring ’05)Problem definition (spring ’05)
Familiarize myself with principles of solar Familiarize myself with principles of solar energy and collector design (weeks 1-5, energy and collector design (weeks 1-5, ongoing)ongoing)
Produce design options (weeks 7/8)Produce design options (weeks 7/8)
Choose design/Make SolidWorks model (week 9)Choose design/Make SolidWorks model (week 9)
Proposal, IEF, presentation, report (ongoing)Proposal, IEF, presentation, report (ongoing)
A Trochoidal What???A Trochoidal What???
Ener-G-Rotors designed a Ener-G-Rotors designed a TGETGE– Rankine CycleRankine Cycle– Reduced contact friction Reduced contact friction – Lowers input temperature Lowers input temperature – Solar thermal power a Solar thermal power a
possibilitypossibility
Design SpecificationsDesign Specifications– Temperature input, T = 170°FTemperature input, T = 170°F– Power input, P = 35.2 kWPower input, P = 35.2 kW– Manufacturability, Cost, SizeManufacturability, Cost, Size
http://www.easa.com/indus/stator11.html
Collector DesignCollector DesignA Basic Flat-Plate CollectorA Basic Flat-Plate Collector
http://www.nemmar.com/images/i03/ESHI-solar-power-image2.jpg
Collector OptimizationCollector Optimization
Concentrating CollectorsConcentrating Collectors– Focus sunlight = high temperaturesFocus sunlight = high temperatures– Shape, reflection, lenses, and tracking systemsShape, reflection, lenses, and tracking systems
InsulationInsulation– Transparent: prevents losses from the absorberTransparent: prevents losses from the absorber– Opaque: prevents losses from the back and sides of Opaque: prevents losses from the back and sides of
the collector bodythe collector body
http://www.powerfromthesun.net/chapter1/Chapter1.htm
Design Options:Design Options:
Advantages:Advantages:– Shape focuses light Shape focuses light
onto absorberonto absorber
Parabolic Trough CollectorParabolic Trough Collector
Disadvantages:Disadvantages:– If Fresnel lenses are If Fresnel lenses are
used, shape is used, shape is unnecessarily complexunnecessarily complex
Design Options:Design Options:
Advantages:Advantages:– Focuses light to a Focuses light to a
pointpoint
Disadvantages:Disadvantages:– Difficult to makeDifficult to make– CostlyCostly
Dish CollectorDish Collector
Design Options:Design Options: Enclosed Flat Plate Collector w/ Fresnel Enclosed Flat Plate Collector w/ Fresnel LensesLenses
Advantages:Advantages:– Simple/Easy to Simple/Easy to
manufacturemanufacture– Focuses light using Focuses light using
Fresnel lensFresnel lens– Double cover Double cover
insulatesinsulates
Disadvantages:Disadvantages:– Will the temperature Will the temperature
equalize across the equalize across the area of the plate?area of the plate?
***Design Chosen to Test
Prototype DesignPrototype Design
Two lenses deep, one Two lenses deep, one widewide
Two covers for Two covers for insulationinsulation
Ten copper pipes (3/4’’ Ten copper pipes (3/4’’ diameter)diameter)
Aluminum body Aluminum body surrounded with surrounded with insulationinsulation
Prototype DesignPrototype Design
Future GoalsFuture Goals
Build and test prototypeBuild and test prototype Thermal analysis in SolidWorksThermal analysis in SolidWorks Finalize design/build SolidWorks Finalize design/build SolidWorks
modelmodel Order partsOrder parts Build full scale modelBuild full scale model Modify and optimizeModify and optimize
Acknowledgements/Acknowledgements/ReferencesReferences Prof. WilkProf. Wilk Ener-G-RotorsEner-G-Rotors http://www.easa.com/indus/http://www.easa.com/indus/
stator11.htmlstator11.html http://www.powerfromthesun.net/http://www.powerfromthesun.net/
chapter1/Chapter1.htmchapter1/Chapter1.htm Kreider and Kreith Kreider and Kreith The Solar Energy The Solar Energy
HandbookHandbook McGraw Hill New York: 1981 McGraw Hill New York: 1981
Questions????Questions????
“Life Can Be So Sweet On The Sunny Side Of The Street” ~D. Fields
?