05703 – Wind-Solar Hybrid Project Critical Design Review 5/13/05 Kate Gleason College of Engineering Rochester Institute of Technology Design Design Project 05307 Wind Solar Project 05307 Wind Solar Project Project 2005 Critical Design Review 2005 Critical Design Review May 13, 2001 May 13, 2001 Joe Jachlewski-ME- Team Leader Joe Jachlewski-ME- Team Leader Aaron Bailey-ME Aaron Bailey-ME Paul Kingsley-ME Paul Kingsley-ME Brian Nealis-ME Brian Nealis-ME Matt Rose-ME Matt Rose-ME Pam Snyder-ME Pam Snyder-ME Chris Wall-ME Chris Wall-ME Customer: Dr. P. Venkataraman Customer: Dr. P. Venkataraman Mentor: Dr. E. Hensel Mentor: Dr. E. Hensel Coordinator: Dr. W. Walter Coordinator: Dr. W. Walter
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05703 – Wind-Solar Hybrid Project Critical Design Review 5/13/05 Kate Gleason College of Engineering Rochester Institute of Technology Multidisciplinary.
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Project 05307 Wind Solar ProjectProject 05307 Wind Solar Project2005 Critical Design Review2005 Critical Design Review
May 13, 2001May 13, 2001
Joe Jachlewski-ME- Team LeaderJoe Jachlewski-ME- Team LeaderAaron Bailey-MEAaron Bailey-MEPaul Kingsley-MEPaul Kingsley-MEBrian Nealis-MEBrian Nealis-MEMatt Rose-MEMatt Rose-ME
Kate Gleason College of EngineeringRochester Institute of Technology
Mission StatementMission Statement
The mission of the 2004-2005 Wind Solar The mission of the 2004-2005 Wind Solar Team is to design and build a prototype of Team is to design and build a prototype of an outdoor lighting system that is powered an outdoor lighting system that is powered solely by wind and solar energy. The team solely by wind and solar energy. The team will test the prototype for a minimum of one will test the prototype for a minimum of one
week and evaluate the system performance. week and evaluate the system performance. The prototype will be safe and easy to The prototype will be safe and easy to
Kate Gleason College of EngineeringRochester Institute of Technology
Desired OutcomesDesired Outcomes
Safe operationSafe operation Integration of wind turbine, solar panel, a Integration of wind turbine, solar panel, a
light, an energy storage system, support light, an energy storage system, support structures, and signal processing structures, and signal processing equipment.equipment.
Ability for Turbine interchangeability for Ability for Turbine interchangeability for future testingfuture testing
Complete first designComplete first design Build first prototypeBuild first prototype Test prototype for at least a weekTest prototype for at least a week Evaluate system performanceEvaluate system performance Provide recommendations for future designsProvide recommendations for future designs Power the lightPower the light
Kate Gleason College of EngineeringRochester Institute of Technology
Concept DevelopmentConcept Development Concept A Concept B Concept C Light source 400W HID Bulb 175 W HID Bulb 10 W LED array Percent of Technologies Accommodated
voltage: 12.4 Voltsvoltage: 12.4 Volts– Internal Resistance: 0.17 OhmsInternal Resistance: 0.17 Ohms– Supply power to the light for 3-5 Supply power to the light for 3-5
daysdays
Electrical ConditioningElectrical Conditioning– 12VDC to 120VAC inverter 12VDC to 120VAC inverter
(purchased)(purchased)– DC step up circuitDC step up circuit– DC voltage leveling charge pump DC voltage leveling charge pump
was purchased for charging the was purchased for charging the SLA battery.SLA battery.
Kate Gleason College of EngineeringRochester Institute of Technology
Testing and trouble shootingTesting and trouble shooting
What we observed What we observed What changes were madeWhat changes were made What we measuredWhat we measured Desired vs. Actual OutcomesDesired vs. Actual Outcomes What we learnedWhat we learned
Kate Gleason College of EngineeringRochester Institute of Technology
What we observed…What we observed…
The chain was loose and the gear offset The chain was loose and the gear offset was wobbly - the chain fell off the gearwas wobbly - the chain fell off the gear
The top and bottom plates on the turbine The top and bottom plates on the turbine fractured and caused vibration problemsfractured and caused vibration problems
Bolts became loose due to the unanticipated Bolts became loose due to the unanticipated vibrationsvibrations
Power generation from the turbine was Power generation from the turbine was significantly lower than expectedsignificantly lower than expected
Kate Gleason College of EngineeringRochester Institute of Technology
What we changed…What we changed… Machined a new gear offset with tighter Machined a new gear offset with tighter
tolerancestolerances Added a chain tensionerAdded a chain tensioner Modified the turbine to minimize vibrations Modified the turbine to minimize vibrations
(with the help of the wind)(with the help of the wind) Added Locktite to all bolts and screwsAdded Locktite to all bolts and screws Disconnected generator from charging Disconnected generator from charging
system as a trouble shooting measuresystem as a trouble shooting measure
Kate Gleason College of EngineeringRochester Institute of Technology
Recommendations for ImprovementRecommendations for Improvement Generator should be optimized for lower speedsGenerator should be optimized for lower speeds Use DC LED arrayUse DC LED array Locking nuts should be used in the event of vibrations in Locking nuts should be used in the event of vibrations in
high windshigh winds Permanently seal the battery box and generator protective Permanently seal the battery box and generator protective
case.case. Use a stiffer material for the turbineUse a stiffer material for the turbine Higher quality anemometerHigher quality anemometer Permanent weather proof data loggerPermanent weather proof data logger System should be optimized for overall system efficiency, System should be optimized for overall system efficiency,
not just turbine efficiencynot just turbine efficiency
Kate Gleason College of EngineeringRochester Institute of Technology
Opportunities for Future ResearchOpportunities for Future Research Obtain values for the amount of sunlight incident Obtain values for the amount of sunlight incident
on the groundon the ground Illuminance map for the LED light sourceIlluminance map for the LED light source Other turbine configurations should be tested. Other turbine configurations should be tested. Engineering Economics for changing to Engineering Economics for changing to
autonomous systemautonomous system Predict the life of the system Predict the life of the system Predict the year-round performancePredict the year-round performance Develop a comprehensive system modelDevelop a comprehensive system model
Kate Gleason College of EngineeringRochester Institute of Technology
For a Marketable Product…For a Marketable Product… Solar Panel and Turbine size need to be optimized Solar Panel and Turbine size need to be optimized
based on cost, aesthetics, and sizebased on cost, aesthetics, and size Stronger, more durable materials should be used Stronger, more durable materials should be used
for the turbinefor the turbine Power generation system incorporated into a Power generation system incorporated into a
permanent lighting structure permanent lighting structure Design for Manufacture, Profitability, Maintenance Design for Manufacture, Profitability, Maintenance
and Performance and Performance A final market must be selectedA final market must be selected Environmental impact studyEnvironmental impact study
Kate Gleason College of EngineeringRochester Institute of Technology
Team AccomplishmentsTeam Accomplishments Designed, developed and built a prototypeDesigned, developed and built a prototype The prototype was installed 2 and a half weeks ago, which The prototype was installed 2 and a half weeks ago, which
allowed ample time for debugging the systems and allowed ample time for debugging the systems and learning more about the systems.learning more about the systems.
Provided accurate documentation of recommendations for Provided accurate documentation of recommendations for future developmentfuture development
Came in under budget and on time - we spent $1600 out of Came in under budget and on time - we spent $1600 out of the available $3000.the available $3000.
Completed comprehensive background research that Completed comprehensive background research that would be invaluable for future teamswould be invaluable for future teams
Developed a design space representing the tradeoffs Developed a design space representing the tradeoffs between turbine size and solar panel sizebetween turbine size and solar panel size
Kate Gleason College of EngineeringRochester Institute of Technology
AcknowledgementsAcknowledgements
Dr. Hensel for his invaluable guidance and mentoringDr. Hensel for his invaluable guidance and mentoring Dr. Venkataraman for his initial concept and continued Dr. Venkataraman for his initial concept and continued
input throughout the projectinput throughout the project Dave Hathaway and Steve Kosciol – Machining and Part ordering Dave Hathaway and Steve Kosciol – Machining and Part ordering
assistanceassistance John Wellin – assistance with the DAQ systemJohn Wellin – assistance with the DAQ system Dave Harris and the rest of Facilities Management Services for their Dave Harris and the rest of Facilities Management Services for their
support throughout the installation processsupport throughout the installation process Electrical help was provided by Dr. Wayne Walter, Dr. Daniel Phillips, Electrical help was provided by Dr. Wayne Walter, Dr. Daniel Phillips,
and Dr. David Borkholder. and Dr. David Borkholder. Joel Slavis from Light Waves Concept, Inc provided the LED arrays at Joel Slavis from Light Waves Concept, Inc provided the LED arrays at
Kate Gleason College of EngineeringRochester Institute of Technology
ReferencesReferences
1.1. B. F. Blackwell, R. E. Sheldahl, and L.V. Feltz. “Wind Tunnel Performance B. F. Blackwell, R. E. Sheldahl, and L.V. Feltz. “Wind Tunnel Performance Data for Two- and Three- Bucket Savonius Rotors.” Sandia Laboratories. Data for Two- and Three- Bucket Savonius Rotors.” Sandia Laboratories. SAND76-0131. (July 1977). SAND76-0131. (July 1977).
Kate Gleason College of EngineeringRochester Institute of Technology
Post AnchoringPost Anchoring Strong but temporaryStrong but temporary The base of the post is buried The base of the post is buried
3’ in a 1’ diameter hole, which 3’ in a 1’ diameter hole, which is filled with cement. is filled with cement.
Additional guy wires were Additional guy wires were anchored into 5 gallon buckets anchored into 5 gallon buckets filled with cement and buried 1 filled with cement and buried 1 foot deepfoot deep
This provided restraints on the This provided restraints on the pole to ensure that it will not fall pole to ensure that it will not fall down.down.
After testing the cement After testing the cement segments can be dug up and segments can be dug up and the whole system can be the whole system can be relocated to the engineering relocated to the engineering test areatest area