I.S. EN ISO 9920:2009
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
01-01-2009
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
Introduction
1 Scope
2 Terms and definitions
3 Application of this International Standard
4 Estimation of thermal insulation of clothing
ensemble based on tables and with values
measured on a standing thermal manikin
4.1 General
4.2 Insulation values of complete ensembles
4.3 Ensemble thermal insulation values based on
individual garments
4.4 Complete ensemble insulation corrected for
small differences in composition
4.5 Calculation of thermal insulation for clothing ensembles
4.6 Calculation of thermal insulation for individual garments
5 Estimation of clothing area factor
6 Estimation of surface (or boundary) air layer insulation
7 Estimation of water vapour resistance
7.1 General
7.2 Estimation of vapour resistance of clothing ensembles
based on tables with values measured on standing thermal
manikin
7.3 Estimation of vapour resistance of clothing ensemble
based on its relation with dry heat resistance
8 Influence of body movement and air movement on the thermal
insulation and vapour resistance of a clothing ensemble
8.1 General
8.2 Correction of clothing insulation
8.3 Correction of clothing vapour resistance
8.4 Activities other than walking
8.5 Relative air velocity
9 Other factors influencing clothing insulation
9.1 General
9.2 Posture
9.3 Effect of seats
9.4 Effect of pressure
9.5 Wetting
9.6 Washing
Annex A (normative) Thermal insulation values for clothing
ensembles
Annex B (normative) Thermal insulation values for individual
garments
Annex C (normative) Vapour permeability index values for
clothing ensembles
Annex D (informative) Measurement of thermal insulation and
water vapour resistance of clothing ensembles on a
thermal manikin
Annex E (informative) Measurement of thermal insulation and
water vapour resistance of a clothing ensemble on
human subjects
Annex F (informative) Different expressions for the thermal
insulation of clothing
Annex G (informative) Estimation of the heat exchanges for
reflective clothing
Annex H (informative) Guidance on the determination of the
covered body surface area
Bibliography
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