UNI EN 13363-2 : 2006

Foreword
1 Scope
2 Normative references
3 Terms, definitions, symbols and units
  3.1 Terms and definitions
  3.2 Symbols and units
4 Characteristic data
  4.1 Solid layers
  4.2 Gas spaces
5 Principles of calculation
  5.1 General
  5.2 Solar radiation and light
  5.3 Heat transfer
  5.4 Energy balance
6 Boundary conditions
  6.1 Reference and summer conditions
  6.2 Report
Annex A (normative) Determination of equivalent solar and
                    light optical characteristics for
                    louvres or venetian blind
  A.1 Assumptions
  A.2 Symbols
  A.3 Direct radiation
  A.4 Diffuse radiation
  A.5 Thermal radiation
  A.6 Global radiation
  A.7 Example
Annex B (normative) Stack effect
  B.1 General
  B.2 Pressure loss factors
Annex C (informative) Example
  C.1 Input data
  C.2 Results
Annex D (informative) Physical properties of gases
Bibliography

Defines a detailed method, based on the spectral transmission data of the materials, comprising the solar protection devices and the glazing, to determine the total solar energy transmittance and other relevant solar-optical data of the combination.