23 Terms
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Energy efficiency
Industry: Energy
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Energy efficiency
Return duct
Energy; Energy efficiency
The central heating or cooling system contains a fan that gets its air supply through these ducts, which ideally should be installed in every room of the house. The air from a room will move towards ...
Refraction
Energy; Energy efficiency
The change in direction of a ray of light when it passes through one media to another with differing optical densities.
Latent heat
Energy; Energy efficiency
The change in heat content that occurs with a change in phase and without change in temperature.
Wind turbine rated capacity
Energy; Energy efficiency
The amount of power a wind turbine can produce at its rated wind speed, e.g., 100 kW at 20 mph. The rated wind speed generally corresponds to the point at which the conversion efficiency is near its ...
Full sun
Energy; Energy efficiency
The amount of power density in sunlight received at the earth's surface at noon on a clear day (about 1,000 Watts/square meter).
Declination
Energy; Energy efficiency
The angular position of the sun at solar noon with respect to the plane of the equator.
