20 Terms
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Energy efficiency
Industry: Energy
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Energy efficiency
Recuperator
Energy; Energy efficiency
A heat exchanger in which heat is recovered from the products of combustion.
Counterflow heat exchanger
Energy; Energy efficiency
A heat exchanger in which two fluids flow in opposite directions for transfer heat energy from one to the other.
Economizer
Energy; Energy efficiency
A heat exchanger for recovering heat from flue gases for heating water or air.
Metal halide lamp
Energy; Energy efficiency
A high-intensity discharge lamp type that uses mercury and several halide additives as light-producing elements. These lights have the best colour Rendition Index (CRI) of the High-Intensity ...
Multijunction device
Energy; Energy efficiency
A high-efficiency photovoltaic device containing two or more cell junctions, each of which is optimised for a particular part of the solar spectrum.
Foam insulation
Energy; Energy efficiency
A high R-value insulation product usually made from urethane that can be injected into wall cavities, or sprayed onto roofs or floors, where it expands and sets quickly.
Infrared radiation
Energy; Energy efficiency
Electromagnetic radiation whose wavelengths lie in the range from 0.75 micrometre to 1000 micrometers; invisible long wavelength radiation (heat) capable of producing a thermal or photovoltaic ...
