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ČSN EN ISO 52022-3 (730303)
Energy performance of buildings - Thermal, solar and daylight properties of building components and elements - Part 3: Detailed calculation method of the solar and daylight characteristics for solar protection devices combined with glazing
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STANDARD published on 1.3.2018
The information about the standard:
Designation standards: ČSN EN ISO 52022-3
Classification mark: 730303
Catalog number: 503679
Publication date standards: 1.3.2018
SKU: NS-808975
The number of pages: 48
Approximate weight : 144 g (0.32 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
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Annotation of standard text ČSN EN ISO 52022-3 (730303):
This document specifies a detailed method, based on spectral data of the transmittance and reflectance of the constituent materials (solar protection devices and the glazing), to determine the total solar energy transmittance, the total light transmittance and other relevant solar-optical data of the combination. If spectral data are not available, the methodology can be adapted to use integrated data. The method is valid for all types of solar protection devices parallel to the glazing such as louvres, venetian blinds, or roller blinds. The blind may be located internally, externally, or enclosed between the panes of the glazing. Ventilation of the blind is allowed for in each of these positions in determining the solar energy absorbed by the glazing or blind components, for vertical orientation of the glazing. The blind component materials may be transparent, translucent or opaque, combined with glazing components with known solar transmittance and reflectance and with known emissivity for thermal radiation. The method is based on a normal incidence of radiation and does not take into account an angular dependence of transmittance or reflectance of the materials. Diffuse irradiation or radiation diffused by solar protection devices is treated as if it were direct. Louvres or venetian blinds are treated as homogenous materials by equivalent solar optical characteristics, which may depend on the angle of the incidence radiation. The current method is limited to vertical installation ±15°. For situations outside the scope of this document; ISO 15099 covers a wider range of situations. The document also gives certain normalized situations, additional assumptions and necessary boundary conditions. NOTE: Table 1 in the Introduction shows the relative position of this document within the set of EPB standards in the context of the modular structure as set out in ISO 52000-1
Preview of the standard ČSN EN ISO 52022-3 (730303)
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