NF EN ISO 12569

NF EN ISO 12569

November 2017
Standard Current

Thermal performance of buildings and materials - Determination of specific airflow rate in buildings - Tracer gas dilution method

ISO 12569:2017 establishes methods to obtain the ventilation rate or specific airflow rate in a building space (which is considered to be a single zone) using a tracer gas.The measurement methods apply for spaces where the combined conditions concerning the uniformity of tracer gas concentration, measurement of the exhaust gas concentration, effective mixed zone and/or fluctuation of ventilation are satisfied.ISO 12569:2017 provides three measurement methods using a tracer gas: concentration decay method, continuous dose method, and constant concentration method.NOTE Specific measurement conditions are given in Table 1.

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Main informations

Collections

National standards and national normative documents

Publication date

November 2017

Number of pages

59 p.

Reference

NF EN ISO 12569

ICS Codes

91.120.10   Thermal insulation of buildings

Classification index

P50-767

Print number

1

International kinship

ISO 12569:2017

European kinship

EN ISO 12569:2017
Sumary
Thermal performance of buildings and materials - Determination of specific airflow rate in buildings - Tracer gas dilution method

ISO 12569:2017 establishes methods to obtain the ventilation rate or specific airflow rate in a building space (which is considered to be a single zone) using a tracer gas.

The measurement methods apply for spaces where the combined conditions concerning the uniformity of tracer gas concentration, measurement of the exhaust gas concentration, effective mixed zone and/or fluctuation of ventilation are satisfied.

ISO 12569:2017 provides three measurement methods using a tracer gas: concentration decay method, continuous dose method, and constant concentration method.

NOTE Specific measurement conditions are given in Table 1.

Replaced standards (1)
NF EN ISO 12569
April 2013
Standard Cancelled
Thermal performance of buildings and materials - Determination of specific airflow rate in buildings - Tracer gas dilution method

ISO 12569:2012 establishes an engineering standard by which to obtain the ventilation rate/specific airflow rate, using a tracer gas in a building space, which is considered to be of a single zone. The measurement method is valid in spaces where the combined conditions concerning the uniformity of tracer gas concentration, measurement of the exhaust gas concentration, effective mixed zone and/or fluctuation of ventilation are satisfied. ISO 12569:2012 provides three measurement methods using a tracer gas: (1) concentration decay method, (2) continuous dose method, and (3) constant concentration method.

Table of contents
  • Avant-propos
  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Choix de la méthode de mesure
  • 5 Mode opératoire
  • 6 Précision
  • 7 Rapport d'essai
  • Annexe A (normative) Intervalles de confiance
  • Annexe B (normative) Méthode pour l'estimation simultanée du taux de ventilation Q v et du volume de la zone de mélange réelle V emz [ 3 ][ 4 ]
  • Annexe C (informative) Considérations lors du mesurage du taux de ventilation de grands espaces
  • Annexe D (informative) Effets d'une différence de température entre l'intérieur et l'extérieur, variation de température et variation de la concentration de l'air extérieur pendant la période de mesure
  • Annexe E (informative) Méthodes de minimisation de l'erreur d'estimation pour la mesure de la décroissance à deux points et multipoint
  • Annexe F (informative) Analyse de la propagation des erreurs
  • Bibliographie
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