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UNI EN ISO 9920 : 2009

Current

Current

The latest, up-to-date edition.

ERGONOMICS OF THE THERMAL ENVIRONMENT - ESTIMATION OF THERMAL INSULATION AND WATER VAPOUR RESISTANCE OF A CLOTHING ENSEMBLE

Published date

05-11-2009

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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

Ascertains 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
PublisherName
Ente Nazionale Italiano di Unificazione (UNI)
Status
Current
Supersedes

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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