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Norm
ÖNORM EN 15026
Issue date: 2007 06 01
Hygrothermal performance of building components and building elements - Assessment of moisture transfer by numerical simulation
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 als...
Withdrawn: 2023 12 01
Publisher:
Austrian Standards International
Format:
Digital | 25 Pages
Language:
German
| English
| Download GER/ENG
Currently valid:
Optionally co-design standards:
ICS
Topics
Planning & implementation of construction projects, Concrete and reinforced concrete structures, Structures of buildings in general
Planning & implementation of construction projects, Masonry, Structures of buildings in general
Planning & implementation of construction projects, Timber structures, Structures of buildings in general
Planning & implementation of construction projects, Metal structures, Structures of buildings in general
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.
ÖNORM EN 15026
2023 12 01
Hygrothermal performance of building components and building elements - Assessment of moisture trans...
Norm
ÖNORM EN 15026
2007 06 01
Hygrothermal performance of building components and building elements - Assessment of moisture trans...
Norm
↖
Norm
Issue date :
2001 08 01
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
Norm
Issue date :
2001 08 01
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
Norm
Issue date :
2001 08 01
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
Norm
Issue date :
2000 07 01
Hygrothermal performance of building materials and products - Determination of hygroscopic sorption properties (ISO 12571:2000)
Norm
Issue date :
2002 01 01
Hygrothermal performance of building materials and products - Determination of water vapour transmission properties (ISO 12572:2001)
Norm
Issue date :
2006 10 01
Hygrothermal performance of buildings - Calculation and presentation of climatic data - Part 3: Calculation of a driving rain index for vertical surfaces from hourly wind and rain data (ISO/DIS 15927-3:2006)
Norm
Issue date :
1996 05 01
Thermal insulation - Physical quantities and definitions (ISO 7345:1987)
Norm
Issue date :
2008 03 01
Hygrothermal performance of buildings and building materials - Physical quantities for mass transfer - Vocabulary (ISO 9346:2007) (multilingual version: de/en/fr)
Norm
Issue date :
2023 12 01
Hygrothermal performance of building components and building elements - Assessment of moisture transfer by numerical simulation