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Team Solkraft

Team Solkraft. Thomas Buck, Kyle Garner, Alexandra Jung, Quinn Mcgehan , Mark Sakaguchi , and Scott Taylor. Critical Design Review 10/7/2010. Mission Overview. Objective To determine the effect of near space conditions on solar cell output. Temperature, light intensity, and altitude.

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Team Solkraft

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  1. Team Solkraft Thomas Buck, Kyle Garner, Alexandra Jung, Quinn Mcgehan, Mark Sakaguchi, and Scott Taylor Critical Design Review 10/7/2010

  2. Mission Overview • Objective • To determine the effect of near space conditions on solar cell output. • Temperature, light intensity, and altitude. • Expect to prove that there is a relationship between the variables above and the output of two different types of cells. • Hypothesis • The monocrystalline cells will outperform the polycrystalline cells, while both cells will perform better in near space than on the ground.

  3. Mission Overview • Widespread development of solar cells for consumer use is relatively new • 2008- World record set in efficiency (40.8%) • Very expensive cell, not consumer friendly • Two main types of consumer oriented cells • Monocrystalline/Polycrystalline • Why? • Want to know which type of cell is more efficient for consumer use • Want to know which environments are best for maximum energy output

  4. Mission Requirements (Level 0)

  5. Mission Requirements (Level 1)

  6. Mission Design: How? • Experiment will incorporate three main categories • Photodiodes: Detect light intensity to determine the “amount” of sunlight hitting the panels • Thermistors: On each face to detect temperatures effect on output. • Solar cells: Two different types to determine which one is most efficient • All three components will be flowed into multiplexer • Multiplexer will deliver multiple logs per minute • Arduino will log results to MicroSD card to be uploaded into Matlab/Excel

  7. Mission Design Mono Cells Thermistors Photodiodes Poly Cells HOBO Ardunio

  8. Power Switch Provided Hardware Sensors Solar Cells Mission Design

  9. Test Plan • Structure Tests • Kick Test • Drop Test • Whip Test • Freeze Test to make sure thermal systems work • Data Test to make sure Arduino and HOBO are recording properly • Camera/Imaging Tests • Ground Control Tests for: • Solar Panels • Photodiodes • Thermistors

  10. Expected Results • Monocrystalline will outperform polycrystalline solar cells • Solar cells will produce more power in near space • Higher light intensity • Less interference with atmosphere • Solar cells less effective at higher temperatures • Higher Carnot efficiency of the cell

  11. Organization

  12. Biggest Worries • The Biggest Worries Of Team Solkraft Are… • Camera failure incl. camera fogging up • Hardware failure i.e. solar panels breaking • Sufficient Programming and debugging • Lack Of Sleep

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