Energy efficiency

Energy efficiency

Industry: Energy

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Energy efficiency

Nuclear energy

Energy; Energy efficiency

Energy that comes from splitting atoms of radioactive materials, such as uranium, and which produces radioactive wastes.

Power

Energy; Energy efficiency

Energy that is capable or available for doing work; the time rate at which work is performed, measured in horsepower, Watts, or Btu per hour. Electric power is the product of electric current and ...

Radiant energy

Energy; Energy efficiency

Energy that transmits away from its source in all directions.

Band gap

Energy; Energy efficiency

In a semiconductor, the energy difference between the highest valence band and the lowest conduction band.

Donor

Energy; Energy efficiency

In a solar photovoltaic device, an n-type dopant, such as phosphorus, that puts an additional electron into an energy level very near the conduction band; this electron is easily exited into the ...

In a solar thermal system, the ratio of solar energy striking the absorber that is absorbed by the absorber to that of solar energy striking a black body (perfect absorber) at the same temperature. ...

Storm windows

Energy; Energy efficiency

Glass, plastic panels, or plastic sheets that reduce air infiltration and some heat loss when attached to either the interior or exterior of existing windows.