PREN ISO 13791 : DRAFT 2010

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols and units
4 Determination of internal temperatures
5 Determination of internal humidity
6 Procedure for carrying out calculations
7 Report of the calculation
8 Validation procedures
Annex A (informative) - Example of solution technique
Annex B (informative) - Convective heat transfer through
        ventilated air layer
Annex C (informative) - Shading due to overhangs and side
        fins
Annex D (informative) - Design climatic data in the warm
        season
Annex E (informative) - Calculation of the internal
        long-wave radiation exchanges in buildings
Annex F (informative) - External radiative long-wave heat
        transfer coefficients
Annex G (informative) - Solar factors
Annex H (informative) - Internal gains
Annex I (informative) - Air ventilation
Annex J (informative) - Detailed results of the validation
        tests considered in the "whole validation model"
        procedure
Annex K (informative) - Calculation method for internal
        humidity without moisture absorption into or
        desorption from walls and others
Annex L (informative) - Normative references to
        international publications with their corresponding
        European publications
Bibliography

Describes the assumptions, boundary conditions, equations and validation tests for a calculation procedure, under transient hourly conditions, of the internal temperatures (air and operative) during the warm period, of a single room without any cooling/heating equipment in operation.