Low emissivity (low e or low thermal emissivity) refers to a surface condition that emits low levels of radiant thermal (heat) energy. All materials absorb...
9 KB (1,116 words) - 17:05, 30 July 2024
However, the most commonly used form of emissivity is the hemispherical total emissivity, which considers emissions as totaled over all wavelengths, directions...
39 KB (4,092 words) - 19:54, 20 August 2024
A low-emission zone (LEZ) is a defined area where access by some polluting vehicles is restricted or deterred with the aim of improving air quality. This...
24 KB (2,616 words) - 19:19, 6 August 2024
The Ultra Low Emission Zone (ULEZ) is an area in London, England, where an emissions standard based charge is applied to non-compliant road vehicles. Plans...
34 KB (3,295 words) - 15:54, 29 July 2024
A low-emission vehicle is a motor vehicle that emits relatively low levels of motor vehicle emissions. The term may be used in a general sense, but in...
1 KB (119 words) - 10:25, 29 July 2024
ultra-low emissions vehicle (SULEV) is a U.S. classification for passenger vehicle emissions. The classification is based on producing 90% fewer emissions than...
8 KB (721 words) - 15:40, 14 June 2024
Glazing (window) (section Low-emissivity coating)
the glass with a low-emissivity (Low-E) coating, which reflects away much of the infrared light that hits it. There are two types of low-e coating. The...
13 KB (1,689 words) - 10:16, 28 June 2024
An ultra-low-emission vehicle (ULEV) is a motor vehicle that emits extremely low levels of motor vehicle emissions compared to other vehicles. In some...
3 KB (342 words) - 10:05, 4 November 2022
Window film (redirect from Low emissivity film)
radiation (IR or radiant heat). To keep the sun's heat out of the house, a low-emissivity coating should be applied to the outside pane of glazed windows. If...
27 KB (3,222 words) - 15:03, 17 August 2024
Thermal radiation (redirect from Thermal emission)
The ratio of any body's emission relative to that of a black body is the body's emissivity, so a black body has an emissivity of one. Absorptivity, reflectivity...
56 KB (7,056 words) - 18:55, 22 August 2024