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Sandstacker Solutions: EE

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Jessica Chen

on 19 July 2014

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Transcript of Sandstacker Solutions: EE

Taste of college
Interaction with current and former students
Diverse group of bright individuals
New experiences
7.0 Appendices
5.0 Conclusions
5.1 Restatement of Results
Solar panels charge faster than wind
Series circuits generate higher current
Parallel circuits generate higher capacity
Three working solar panels
5.2 Concluding Remarks
Use solar over wind
Use parallel circuit to maximize current
Use series circuit to maximize capacity
4.0 Results and Discussion
4.2 Discussion

Solar series circuit vs windmill
Fluctuation of multimeter
Time and material constraints
Small test group
Three different types of solar panels
3.0 Methods, Assumptions, and Procedures
3.1 Methods

Materials: 14 AA batteries, alligator clips, solar panels, wind turbine kit, sunlight, industrial fans, and visual voltmeter
Measurement units: milliAmps, milliAmp-hours, milliVolts
Measuring tools: Multimeter
3.2 Assumptions
Solar panel is more efficient than wind turbines
Parallel circuit has higher current
Series circuit has higher capacity
3.3 Procedures
Create models of wind turbine and solar circuit to compare
Test for working solar panels
Design fastest circuit to charge the batteries
6.0 References
2.0 Introduction
2.1 Background
First solar collector made in 1908 (roughly same design as today)
Solar energy is used more and more as the world looks for alternatives to coal and crude oil
2.2 Purpose
Determine most efficient source of alternative energy
Charge 14 AA batteries
Find working panels
Maximize current and capacity
2.3 Scope extents/limits
Unreliable sun
Unstable wind turbines
Limited working panels
Simply Solar
University of Michigan Experience
University of Michigan
Summer Engineering Academy
Michigan Introduction to
Technology & Engineering
July 19, 2014

Percy Bean III
Joshua Burnell
Jessica (Shuqi) Chen
Anezka Kovarik
Taimor Williams
1.0 Summary
1.1 The Problem
Find most effective source of alternative energy
Power robot
Determine dead solar panels
Design most efficient circuit
1.2 Method of Investigation
Test the currents of windmills and solar cells
Form longest lasting circuit with fastest current
1.3 Conclusion
Solar has shorter charging time
Lack of working materials
Parallel circuit results in higher current
Series circuit results in higher capacity
1.4 Recommendations
More panels
Higher quality materials
More controlled environments
Sandstacker Solutions
Table of Contents
1.0 Summary
2.0 Introduction
3.0 Methods, Assumptions, and Procedures
4.0 Results and Discussion
5.0 Conclusion
6.0 References
7.0 Appendices
8.0 The University of Michigan Experience
To incorporate environmentally sustainable technologies in order improve the landscape around you while striving towards a cleaner and brighter future
7.1 List of Symbols, Abbreviations, Acronyms
Amps: Amperes
Hr: Hour
V: Volts
Omega: Ohms
7.2 Glossary
Voltage: potential difference measured in volts
Current: flow of electricity measured in amps
Volts: unit of measurement for voltage
Amperes: unit of measurement for current
Our Mission Statement
Table of Actual
Wind and Solar Results
Table of Panel Values
4.1 Results
Battery charging time = Battery Capacity/Current
About Wind Energy: Benefits of Wind. (n.d.). About Wind Energy: Benefits of Wind. Retrieved July 16, 2014, from http://www.pawindenergynow.org/wind/benefits.html
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Can India Go 100 Percent Renewable by 2050?. (n.d.). Triple Pundit RSS. Retrieved July 18, 2014, from http://www.triplepundit.com/2014/05/can-india-go-100-percent-renewable-2050/
Circuit diagrams of example Solar Energy Wiring Systems. (n.d.). Circuit diagrams of example Solar Energy Wiring Systems. Retrieved July 18, 2014, from http://www.freesunpower.com/example_systems.php
Evil Mad Scientist Laboratories. (n.d.). Evil Mad Scientist Laboratories. Retrieved July 18, 2014, from http://www.evilmadscientist.com/2008/simple-solar-circuits/
FAQ. (n.d.). EDF Energy Renewables > About Wind Energy >. Retrieved July 18, 2014, from http://www.edf-er.com/AboutWindEnergy/FAQ.aspx
Make solar energy economical - Engineering Challenges. (n.d.). Make solar energy economical - Engineering Challenges. Retrieved July 17, 2014, from http://www.engineeringchallenges.org/cms/8996/9082.aspx
Solar Energy SolarEnergy.com. (n.d.). Solar Energy Home Solar Power Electric System Costs Solar Energy Info at SolarEnergy.com. Retrieved July 16, 2014, from https://solarenergy.com/
Solar singlet fission bends the laws of physics to boost solar power efficiency by 30% | ExtremeTech. (n.d.). ExtremeTech. Retrieved July 18, 2014, from http://www.extremetech.com/extreme/186176-solar-singlet-fission-bends-the-laws-of-physics-to-boost-solar-power-efficiency-by-30
The Engineering Place (K-20 Outreach). (n.d.). Educators, , College of Engineering, North Carolina State University. Retrieved July 18, 2014, from http://www.engr.ncsu.edu/theengineeringplace/educators/
Wind Energy Benefits Fact Sheet. (n.d.). WINDExchange:. Retrieved July 16, 2014, from http://apps2.eere.energy.gov/wind/windexchange/filter_detail.asp?itemid=3116
Wind Power Information, Wind Power Facts - National Geographic. (n.d.). National Geographic. Retrieved July 17, 2014, from http://environment.nationalgeographic.com/environment/global-warming/wind-power-profile/

Parallel circuit current:
Sum of all currents
Ohm’s law:
Final Circuit Design
Series circuit only
30.94 hrs
per battery
(in theory)
Electrical Engineering Division
Full transcript