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Ari Morse and Cody Nabong

Generating Electricity at Ocean-Air Interface. Ari Morse and Cody Nabong. Procedure. Calibrate thermocouples. Verify online temperatures. Calculate average temperature difference. Choose example Peltier unit. Calculate # Peltier units, cost, and space required.

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Ari Morse and Cody Nabong

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  1. Generating Electricity at Ocean-Air Interface Ari Morse and Cody Nabong

  2. Procedure • Calibrate thermocouples. • Verify online temperatures. • Calculate average temperature difference. • Choose example Peltier unit. • Calculate # Peltier units, cost, and space required. • Compared to same values for geysers and hydrothermal vents.

  3. Thermocouple Calibration and Example Peltier Unit • V = 4 x 10-5(T) - 3x10-5 Volts • 127 thermocouples / unit • $8.50 / unit • 30mm x 30mm planar area required / unit _ + x ~16

  4. Temperature Verification and Modeling

  5. Ocean Temperature differences • Average yearly temperature difference of 10.9 C for Charles river. • DC voltage output for 1 TC= 4.05 x 10-4 Volts • # Peltier units needed to provide 12V = 233.3 • Cost = $1983.31 • Area required = .21 m2 = 2.26 ft2 http://www.katheckenbach.com/2012/11/not-yet-ocean.html

  6. Possible Uses Heat from sun Boats • Starter • Radios/equipment • Power boat • Possible "hot pocket" Emergency Ocean Blanket • Rolls up for storage • Unroll and throw in ocean for emergency power Hotter air Cold water = Floatation device

  7. Sky Sky Warmer Colder Ocean Warmer Colder

  8. Geysers • Temperature difference of 138 C for Old Faithful and very cold air. • DC voltage output for 1 TC= 5.49 x 10-3 Volts • # Peltier units needed to provide 12V = 17.2 • Cost = $146.29 • Area required = .17 ft2 http://www.treknature.com/gallery/photo63324.htm

  9. Vents • The thermocouple we calibrated has a maximum temperature of 350o C. • The water exiting ocean vents can exceed this, and the surrounding ocean water is 2o C • DC voltage output for 1 TC= 1.39 x 10-2 Volts • # Peltier units needed to provide 12V = 6.8 • Cost = $57.82 • Area required = .07 ft2 http://faculty.cascadia.edu/jvanleer/astro%20sum01/Hyrothremal%20Vent%20Final/hydrothermal_vents.htm

  10. Summary for 12V Requirement

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