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About This Item
Full Description
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.
Cross References:
EN 673:2011
ISO 9050:2003 Ed 2
ISO 10292:1994
ISO 9488:1999
ISO 7345:1987
ISO 52000-1:2017
EN 410:2011
EN 14500:2008
ISO 9288:1989
ISO/TR 52000-2:2017
ISO/TR 52022-2:2017
CEN/TS 16629:2014
CEN/TS 16628:2014
All current amendments available at time of purchase are included with the purchase of this document.
Document History
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BS EN ISO 52022-3:2017
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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- Most Recent
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BS EN 13363-2:2005
Solar protection devices combined with glazing. Calculation of total solar energy transmittance and light transmittance-Detailed calculation method- Historical Version