NF EN ISO 23993

NF EN ISO 23993

June 2012
Standard Current

Thermal insulation products for building equipment and industrial installations - Determination of design thermal conductivity

ISO 23993:2008 gives methods to calculate design thermal conductivities from declared thermal conductivities for the calculation of the thermal performance of building equipment and industrial installations. These methods are valid for operating temperatures from -200 °C to +800 °C. The conversion factors, established for the different influences, are valid for the temperature ranges indicated in the relevant clauses or annexes.

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Main informations

Collections

National standards and national normative documents

Publication date

June 2012

Number of pages

39 p.

Reference

NF EN ISO 23993

ICS Codes

91.120.10   Thermal insulation of buildings

Classification index

P50-776

Print number

1 - 15/06/2012

International kinship

ISO 23993:2008

European kinship

EN ISO 23993:2010
Sumary
Thermal insulation products for building equipment and industrial installations - Determination of design thermal conductivity

ISO 23993:2008 gives methods to calculate design thermal conductivities from declared thermal conductivities for the calculation of the thermal performance of building equipment and industrial installations.

These methods are valid for operating temperatures from -200 °C to +800 °C.

The conversion factors, established for the different influences, are valid for the temperature ranges indicated in the relevant clauses or annexes.

Replaced standards (1)
NF EN ISO 23993
December 2009
Standard Cancelled
Thermal insulation products for building equipment and industrial installations - Determination of design thermal conductivity

Le présent document donne les méthodes de calcul de la conductivité thermique utile à partir de la conductivité thermique déclarée pour le calcul de la performance thermique des équipements de bâtiments et des installations industrielles. Ces méthodes s'appliquent pour des températures de service comprises entre - 200 °C et + 800 °C.

Table of contents
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  • Avant-propos
    iv
  • Introduction
    vi
  • 1 Domaine d'application
    1
  • 2 Références normatives
    1
  • 3 Termes et définitions
    1
  • 4 Symboles
    2
  • 5 Détermination de la conductivité thermique déclarée
    2
  • 6 Détermination de la valeur utile de la conductivité thermique
    3
  • 7 Conversion des données disponibles
    3
  • 7.1 Généralités
    3
  • 7.2 Facteur de conversion pour l'écart de température
    4
  • 7.3 Facteur de conversion de l'humidité
    4
  • 7.4 Facteur de conversion du vieillissement
    5
  • 7.5 Facteur de conversion de la compression
    5
  • 7.6 Facteur de conversion de la convection
    5
  • 7.7 Facteur de conversion de l'effet d'épaisseur
    5
  • 7.8 Facteur de conversion des joints réguliers
    6
  • 7.9 Conductivité thermique supplémentaire pour les ponts thermiques réguliers liés à l'isolation, par exemple les écarteurs
    6
  • Annexe A (normative) Facteurs de conversion
    8
  • Annexe B (informative) Exemples de détermination de la conductivité thermique utile
    20
  • Annexe C (informative) Valeurs approximatives des facteurs de conversion
    23
  • Bibliographie
    31
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