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Thermoelectric effect (Read 1419 times)
Gerrit-Jan Linker
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Thermoelectric effect
23.01.12 at 07:18:06
 
Thermoelectric effect
 
The thermoelectric effect is the direct conversion of temperature differences to electric voltage and vice-versa.  
 
A thermoelectric device creates a voltage when there is a different temperature on each side.  
Conversely, when a voltage is applied to it, it creates a temperature difference.  
 
At the atomic scale, an applied temperature gradient causes charged carriers in the material to diffuse from the hot side to the cold side, similar to a classical gas that expands when heated; hence inducing a thermal current.
 
The term "thermoelectric effect" encompasses three separately identified effects:  
  • the Seebeck effect
  • Peltier effect  
  • Thomson effect.
     
    Source:
    http://en.wikipedia.org/wiki/Thermoelectric_effect
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    « Last Edit: 23.01.12 at 07:18:59 by Gerrit-Jan Linker »  

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