I.S. EN ISO 9920:2009
Current
The latest, up-to-date edition.
ERGONOMICS OF THE THERMAL ENVIRONMENT - ESTIMATION OF THERMAL INSULATION AND WATER VAPOUR RESISTANCE OF A CLOTHING ENSEMBLE
Hardcopy , PDF
English
01-01-2009
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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
Defines methods for estimating the thermal characteristics (resistance to dry heat loss and evaporative heat loss) in steady-state conditions for a clothing ensemble based on values for known garments, ensembles and textiles.
| DocumentType |
Standard
|
| Pages |
118
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| NS EN ISO 9920 : 2009 | Identical |
| NEN EN ISO 9920 : 2009 | Identical |
| SN EN ISO 9920 : 2009 | Identical |
| EN ISO 9920:2009 | Identical |
| NF EN ISO 9920 : 2009 | Identical |
| ISO 9920:2007 | Identical |
| NBN EN ISO 9920 : 2009 | Identical |
| BS EN ISO 9920:2009 | Identical |
| DIN EN ISO 9920:2009-10 | Identical |
| UNI EN ISO 9920 : 2009 | Identical |
| UNE-EN ISO 9920:2009 | Identical |
| EN 13537:2012 | Requirements for sleeping bags |
| ISO 9237:1995 | Textiles — Determination of the permeability of fabrics to air |
| ISO 15831:2004 | Clothing — Physiological effects — Measurement of thermal insulation by means of a thermal manikin |
| ASTM F 1291 : 2016 : REDLINE | Standard Test Method for Measuring the Thermal Insulation of Clothing Using a Heated Manikin |
| ISO 7726:1998 | Ergonomics of the thermal environment — Instruments for measuring physical quantities |
| ASTM F 2370 : 2016 : REDLINE | Standard Test Method for Measuring the Evaporative Resistance of Clothing Using a Sweating Manikin |
| ISO/TR 11079:1993 | Evaluation of cold environments — Determination of required clothing insulation (IREQ) |
| ISO 7933:2004 | Ergonomics of the thermal environment — Analytical determination and interpretation of heat stress using calculation of the predicted heat strain |
| ISO 7730:2005 | Ergonomics of the thermal environment — Analytical determination and interpretation of thermal comfort using calculation of the PMV and PPD indices and local thermal comfort criteria |
| ASTM D 1518 : 2014 : REDLINE | Standard Test Method for Thermal Resistance of Batting Systems Using a Hot Plate |
| ISO 9886:2004 | Ergonomics Evaluation of thermal strain by physiological measurements |
| ISO 13731:2001 | Ergonomics of the thermal environment Vocabulary and symbols |
| ASTM D 737 : 2004 | Test Method for Air Permeability of Textile Fabrics |
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