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CEN/TR 15131:2006

Current
Current

The latest, up-to-date edition.

Thermal performance of building materials - The use of interpolating equations in relation to thermal measurement on thick specimens - Guarded hot plate and heat flow meter apparatus
Published date

01-25-2006

Foreword
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Modelling thickness effect
5 Prediction of the thickness effect with the interpolating
  functions
Bibliography

This Technical Report supplements technical information on modelling of heat transfer in products of high and medium thermal resistance when the thickness effect may be relevant; by doing this it supplies minimum background information on the interpolating equations to be used in the procedures described in EN 12939 to test thick products of high and medium thermal resistance.All testing procedures to evaluate the thermal performance of thick specimens require utilities, which are essentially based on interpolating functions containing a number of material parameters and testing conditions. Interpolating functions and material parameters are not the same for all materials. Essential phenomena and common interpolating functions are presented in Clause 4, which is followed by separate equations for each material family.This Technical Report also gives diagrams derived from the above interpolating equations to assess the relevance of the thickness effect for some insulating materials.

Committee
CEN/TC 89
DocumentType
Technical Report
PublisherName
Comite Europeen de Normalisation
Status
Current

Standards Relationship
PD CEN/TR 15131:2006 Identical
NEN NPR CEN/TR 15131 : 2006 Identical
I.S. CEN/TR 15131:2006 Identical
PKN CEN/TR 15131 : 2007 Identical

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
EN ISO 9288:1996 Thermal insulation - Heat transfer by radiation - Physical quantities and definitions (ISO 9288:1989)
ISO 9288:1989 Thermal insulation — Heat transfer by radiation — Physical quantities and definitions
ISO 7345:1987 Thermal insulation Physical quantities and definitions

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