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A fenestra (fenestration; pl.: fenestrae or fenestrations) is any small opening or pore, commonly used as a term in the biological sciences. [1] It is the Latin word for "window", and is used in various fields to describe a pore in an anatomical structure.
Fenestration or fenestrate may refer to: Fenestration (architecture) , relating to openings in a building Fenestra , in anatomy, medicine, and biology, any small opening in an anatomical structure
The glass panes are separated by a "spacer". A spacer, which may be of the warm edge type, is the piece that separates the two panes of glass in an insulating glass system, and seals the gas space between them. The first spacers were made primarily of steel and aluminum, which manufacturers thought provided more durability, and their lower ...
Skylights are light transmitting fenestration (products filling openings in a building envelope which also includes windows, doors, etc. [according to whom?]) forming all, or a portion of, the roof of a building space. Skylights are widely used in daylighting design in residential and commercial buildings, mainly because they are the most ...
If the system is thermally separated with an insulating profile with a width of 42 mm, the thermal transmission coefficient can be reduced to 1.3 W/m2K. Insulbar LO, a product introduced by Ensinger, is a lambda (thermal conductivity) optimized solution for thermal insulation profiles. Its lambda value is only 0.18 W/m2K.
K, a dimensionless parameter, defines the wiggler strength as the relationship between the length of a period and the radius of bend, [citation needed] = = where is the bending radius, is the applied magnetic field, is the electron mass, and is the elementary charge.
The frame and double sealing of the window system are the actual weak points in the window insulation. Typical thermal transmittance values for common building structures are as follows: [citation needed] Single glazing: 5.7 W/(m 2 ⋅K) Single glazed windows, allowing for frames: 4.5 W/(m 2 ⋅K) Double glazed windows, allowing for frames: 3.3 ...
The shading coefficient (SC) is a measure of the radiative thermal performance of a glass unit (panel or window) in a building.It is defined as the ratio of solar radiation at a given wavelength and angle of incidence passing through a glass unit to the radiation that would pass through a reference window of frameless 3 millimetres (0.12 in) Clear Float Glass. [3]