Thursday, February 14, 2013

Woodstove Green Power Generator - Thermoelectric Module - How do I get off the grid?

Woodstove Green Power Generator - Thermoelectric Module - How do I get off the grid? Video Clips. Duration : 7.77 Mins.


What is a Thermoelectric Module? Living off the grid. In 1821, TJ Seebeck discovered that different metals, known as a thermocouple, will develop a micro-voltage if the junctions are held at different temperatures. This is known as the "Seebeck effect". In 1834, Jean Peltier discovered the inverse of the Seebeck effect, known as the "Peltier effect". By applying a voltage to a thermocouple, a temperature differential between two sides is created. A thermoelectric module, also called a thermoelectric cooler or Peltier cooler, is a semiconductor-based electronic component that functions as a small reliable heat pump with no moving parts. By applying a low voltage to a thermoelectric module, heat will be moved through the module from one side to the other. One module face will be cooled, while the opposite face is simultaneously heated. A thermoelectric module can also be used for power generation: a thermoelectric module creates a voltage when there is a different temperature on each side. The second law of thermodynamics states that heat will move to a cooler area. Essentially, the module will absorb heat on the "cold side" and eject it out the "hot side", to a heat sink. Thermoelectric modules have been in use for a number of years. You have probably seen them used for automotive food and beverage coolers, and more commonly, in fans that sit atop wood stoves blowing hot air around the room. Over the years, inventors have attempted to develop products that use ...

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