Generating Electricity at Ocean-Air
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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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Ari morse and cody nabong

Generating Electricity at Ocean-Air Interface

Ari Morse and Cody Nabong


Procedure

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.


Thermocouple calibration and example peltier unit

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


Temperature verification and modeling

Temperature Verification and Modeling


Ocean temperature differences

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


Possible uses

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


Ari morse and cody nabong

Sky

Sky

Warmer

Colder

Ocean

Warmer

Colder


Geysers

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


Vents

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


Summary for 12v requirement

Summary for 12V Requirement


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