11 Facts About Joule heating

Joule heating, known as resistive, resistance, or Ohmic heating, is the process by which the passage of an electric current through a conductor produces heat.

Joule heating affects the whole electric conductor, unlike the Peltier effect which transfers heat from one electrical junction to another.

James Prescott Joule heating first published in December 1840, an abstract in the Proceedings of the Royal Society, suggesting that heat could be generated by an electrical current.

Joule heating immersed a length of wire in a fixed mass of water and measured the temperature rise due to a known current flowing through the wire for a 30 minute period.

Resistive Joule heating was independently studied by Heinrich Lenz in 1842.

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Joule heating is caused by interactions between charge carriers and the body of the conductor.

Joule heating is referred to as ohmic heating or resistive heating because of its relationship to Ohm's Law.

Joule heating can be calculated at a particular location in space.

Flash joule heating has been used to synthesize allotropes of carbon, including graphene and diamond.

Definition of the efficiency of a Joule heating process requires defining the boundaries of the system to be considered.

When Joule heating a building, the overall efficiency is different when considering Joule heating effect per unit of electric energy delivered on the customer's side of the meter, compared to the overall efficiency when considering the losses in the power plant and transmission of power.