BS EN ISO 52022-3:2017 PDF

Energy performance of buildings. Thermal, solar and daylight properties of building components and elements - Detailed calculation method of the solar and daylight characteristics for solar protection devices combined with glazing

First page of standard BS EN ISO 52022-3:2017

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Title (English):

BS EN ISO 52022-3:2017

Format:: Electronic (PDF)
Publication date:: August 31, 2017
ICS:: 91.120.10
Technical committee:: CEN
SKU:: BS EN ISO 52022-3:2017

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Abstract

1 Scope 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 o...

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BS EN ISO 52022-3:2017 PDF

Abstract

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Abstract

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