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Thermoelectric cooling uses the Peltier effect to create a heat flux at the junction of two different types of materials. A Peltier cooler, heater, or thermoelectric heat pump is a solid-state active heat pump which transfers heat from one side of the device to the other, with consumption of electrical energy, depending on the direction of the current.
The Peltier effect can be used to create a heat pump. Notably, the Peltier thermoelectric cooler is a refrigerator that is compact and has no circulating fluid or moving parts. Such refrigerators are useful in applications where their advantages outweigh the disadvantage of their very low efficiency.
The main disadvantage of Peltier coolers is low efficiency. It is estimated that materials with ZT>3 (about 20–30% Carnot efficiency) would be required to replace traditional coolers in most applications. [81] Today, Peltier coolers are only used in niche applications, especially small scale, where efficiency is not important. [131]
The flow of charge carriers between the hot and cold regions in turn creates a voltage difference. In 1834, Jean Charles Athanase Peltier discovered the reverse effect, that running an electric current through the junction of two dissimilar conductors could, depending on the direction of the current, cause it to act as a heater or cooler. [7]
Peltier cooling plates / ˈ p ɛ l t i. eɪ / take advantage of the Peltier effect to create a heat flux between the junction of two different conductors of electricity by applying an electric current. [9] This effect is commonly used for cooling electronic components and small instruments.
Amazon alone sees $104 billion in capital expenditures this year, well above prior analyst forecasts of $80 billion to $85 billion. The stocks have tended to react negatively to these bold ...
Thermoelectric temperature control is the use of the thermoelectric effect, specifically the Peltier effect, to heat or cool materials by applying an electrical current across them. [1] A typical Peltier cell absorbs heat on one side and produces heat on the other. [1] Because of this, Peltier cells can be used for temperature control. [1]
“Free Leonard Peltier” serves in many ways as a brief for the defense, making a strong case for the claim that Peltier’s trial was rigged because local and government officials were enraged ...
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