Difference between revisions of "Thermopile"

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<div class="definition"><div class="short_definition">A  [[transducer]] for converting [[thermal energy]] directly into electrical [[energy]].</div><br/> <div class="paragraph">It is composed of pairs of [[thermocouples]] that are connected either in series or in parallel. The  [[output]] voltage of N pairs of series-connected thermocouples is N times the voltage developed by  a single pair, while the [[current]] developed by N pairs of parallel connected thermocouples is N  times the current developed by a single pair. Thermopiles are used in thermoelectric [[radiation]]  instruments when the output of a single pair of thermocouples is not large enough. <br/>''See'' [[moll  thermopile]], [[pyrheliometer]].</div><br/> </div>
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<div class="definition"><div class="short_definition">A  [[transducer]] for converting [[thermal energy]] directly into electrical [[energy]].</div><br/> <div class="paragraph">It is composed of pairs of [[thermocouples]] that are connected either in series or in parallel. The  [[output]] voltage of N pairs of series-connected thermocouples is N times the voltage developed by  a single pair, while the [[current]] developed by N pairs of parallel connected thermocouples is N  times the current developed by a single pair. Thermopiles are used in thermoelectric [[radiation]]  instruments when the output of a single pair of thermocouples is not large enough. <br/>''See'' [[Moll thermopile|moll  thermopile]], [[pyrheliometer]].</div><br/> </div>
 
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Latest revision as of 18:06, 25 April 2012



thermopile

A transducer for converting thermal energy directly into electrical energy.

It is composed of pairs of thermocouples that are connected either in series or in parallel. The output voltage of N pairs of series-connected thermocouples is N times the voltage developed by a single pair, while the current developed by N pairs of parallel connected thermocouples is N times the current developed by a single pair. Thermopiles are used in thermoelectric radiation instruments when the output of a single pair of thermocouples is not large enough.
See moll thermopile, pyrheliometer.