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  • EN 15026:2007

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    Hygrothermal performance of building components and building elements - Assessment of moisture transfer by numerical simulation

    Available format(s): 

    Withdrawn date:  31-10-2007

    Language(s): 

    Published date:  11-04-2007

    Publisher:  Comite Europeen de Normalisation

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms, definitions, symbols and units
      3.1 Terms and definitions
      3.2 Symbols and units
    4 Hygrothermal equations and material properties
      4.1 Assumptions
      4.2 Transport of heat and moisture
      4.3 Material properties
    5 Boundary conditions
      5.1 Internal conditions
      5.2 External conditions
    6 Documentation of input data and results
      6.1 General
      6.2 Problem description
      6.3 Hygrothermal model and numerical solution
      6.4 Calculation report
    Annex A (normative) Benchmark example - Moisture uptake in
            a semi-infinite region
          A.1 General
          A.2 Problem description
          A.3 Results
    Annex B (informative) Design of Moisture Reference Years
    Annex C (informative) Internal boundary conditions
    Bibliography

    Abstract - (Show below) - (Hide below)

    This standard specifies the equations to be used in a simulation method for calculating the non steady transfer of heat and moisture through building structures. It also provides a benchmark example intended to be used for validating a simulation method claiming conformity with this standard, together with the allowed tolerances.The equations in this standard take account of the following storage and one-dimensional transport phenomena:-heat storage in dry building materials and absorbed water;-heat transport by moisture-dependent thermal conduction;-latent heat transfer by vapour diffusion;-moisture storage by vapour sorption and capillary forces;-moisture transport by vapour diffusion; -moisture transport by liquid transport (surface diffusion and capillary flow).The equations described in this standard account for the following climatic variables:-internal and external temperature;-internal and external humidity;-solar and longwave radiation;-precipitation (normal and driving rain);-wind speed and direction.The hygrothermal equations described in this standard shall not be applied in cases where:-convection takes place through holes and cracks;-two-dimensional effects play an important part (e.g. rising damp, conditions around thermal bridges, effect of gravitational forces);•hydraulic, osmotic, electrophoretic forces are present;daily mean temperatures in the component exceed 50 °C.

    General Product Information - (Show below) - (Hide below)

    Committee CEN/TC 89
    Document Type Standard
    Publisher Comite Europeen de Normalisation
    Status Withdrawn

    Standards Referenced By This Book - (Show below) - (Hide below)

    15/30322689 DC : 0 BS EN 16883 - CONSERVATION OF CULTURAL HERITAGE - GUIDELINES FOR IMPROVING THE ENERGY PERFORMANCE OF HISTORIC BUILDINGS
    DIN EN 16883:2015-07 (Draft) CONSERVATION OF CULTURAL HERITAGE - GUIDELINES FOR IMPROVING THE ENERGY PERFORMANCE OF HISTORIC BUILDINGS
    DIN EN 15243 E : 2007 VENTILATION FOR BUILDINGS - CALCULATION OF ROOM TEMPERATURES AND OF LOAD AND ENERGY FOR BUILDINGS WITH ROOM CONDITIONING SYSTEMS
    BS EN 15243:2007 Ventilation for buildings. Calculation of room temperatures and of load and energy for buildings with room conditioning systems
    BS EN 16883:2017 Conservation of cultural heritage. Guidelines for improving the energy performance of historic buildings
    I.S. EN 15243:2007 VENTILATION FOR BUILDINGS - CALCULATION OF ROOM TEMPERATURES AND OF LOAD AND ENERGY FOR BUILDINGS WITH ROOM CONDITIONING SYSTEMS
    DIN EN 15243:2007-10 VENTILATION FOR BUILDINGS - CALCULATION OF ROOM TEMPERATURES AND OF LOAD AND ENERGY FOR BUILDINGS WITH ROOM CONDITIONING SYSTEMS
    DIN EN 16883 E : 2017 CONSERVATION OF CULTURAL HERITAGE - GUIDELINES FOR IMPROVING THE ENERGY PERFORMANCE OF HISTORIC BUILDINGS
    I.S. EN 16883:2017 CONSERVATION OF CULTURAL HERITAGE - GUIDELINES FOR IMPROVING THE ENERGY PERFORMANCE OF HISTORIC BUILDINGS
    EN 15243:2007 Ventilation for buildings - Calculation of room temperatures and of load and energy for buildings with room conditioning systems
    EN 16883:2017 Conservation of cultural heritage - Guidelines for improving the energy performance of historic buildings

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 12667:2001 Thermal performance of building materials and products - Determination of thermal resistance by means of guarded hot plate and heat flow meter methods - Products of high and medium thermal resistance
    EN ISO 12571:2013 HYGROTHERMAL PERFORMANCE OF BUILDING MATERIALS AND PRODUCTS - DETERMINATION OF HYGROSCOPIC SORPTION PROPERTIES (ISO 12571:2013)
    ISO 13788:2012 Hygrothermal performance of building components and building elements — Internal surface temperature to avoid critical surface humidity and interstitial condensation — Calculation methods
    EN 12939:2000 Thermal performance of building materials and products - Determination of thermal resistance by means of guarded hot plate and heat flow meter methods - Thick products of high and medium thermal resistance
    ISO 12571:2013 Hygrothermal performance of building materials and products Determination of hygroscopic sorption properties
    ISO 12572:2016 Hygrothermal performance of building materials and products Determination of water vapour transmission properties Cup method
    ISO 15148:2002 Hygrothermal performance of building materials and products Determination of water absorption coefficient by partial immersion
    EN ISO 12572:2016 Hygrothermal performance of building materials and products - Determination of water vapour transmission properties - Cup method (ISO 12572:2016)
    EN 12664:2001 Thermal performance of building materials and products - Determination of thermal resistance by means of guarded hot plate and heat flow meter methods - Dry and moist products of medium and low thermal resistance
    EN ISO 13788:2012 Hygrothermal performance of building components and building elements - Internal surface temperature to avoid critical surface humidity and interstitial condensation - Calculation methods (ISO 13788:2012, Corrected version 2020-05)
    EN ISO 15148:2002/A1:2016 HYGROTHERMAL PERFORMANCE OF BUILDING MATERIALS AND PRODUCTS - DETERMINATION OF WATER ABSORPTION COEFFICIENT BY PARTIAL IMMERSION (ISO 15148:2002+A1:2016)
    ISO 7345:1987 Thermal insulation Physical quantities and definitions
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