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DD ENV ISO 11079:1999

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Evaluation of cold environments. Determination of required clothing insulation (IREQ)
Available format(s)

Hardcopy , PDF

Withdrawn date

10-31-2018

Language(s)

English

Published date

03-17-1999

Publisher

British Standards Institution

National Foreword
1. Scope
2. Normative references
3. Symbols and abbreviations
4. Principles of methods for evaluation
5. General cooling
    5.1 Definition of required insulations, IREQ
    5.2 Calculating of factors affecting IREQ
    5.3 Calculation of IREQ
    5.4 Interpretation of IREQ
    5.5 Definition and calculation of duration limited
         exposure, DLE
6. Local cooling
    6.1 Indoor conditions
    6.2 Outdoor conditions
7. Practical assessment of cold environments
    7.1 Procedure for the determination of IREQ
Annexes
A Heat exchange equations
    A.1 Determination of respiratory heat exchange
    A.2 Determination of evaporative heat exchange
    A.3 Determination of evaporative resistance
    A.4 Determination of the clothing area factor
    A.5 Determination of convective heat transfer
         coefficient
    A.6 Determination of relative air velocity
    A.7 Determination of radiation heat transfer
         coefficient
B Physiological criteria in cold exposure
    B.1 Local cooling
    B.2 Duration limited exposure
C Thermal insulation of clothing
    C.1 Basic and resultant insulation
    C.2 Moisture absorption
    C.3 Individual behaviour and clothing requirements
D Values for calculating the wind chill index
E Examples of evaluation
    E.1 Continuous exposure
    E.2 Intermittent exposure
    E.3 Duration limited exposure
F Computer program for calculating IREQ, DEL, RT and WCI
G Bibliography

Gives methods and strategies for assessing the thermal stress that is associated with exposure to cold environments. Applicable to continuous, intermittent and occasional exposure and in both indoor and outdoor work. Not covered in this, are specific effects associated with certain metereological phenomena (e.g. precipitation) and should be assessed by other methods.

Committee
PH/9
DocumentType
Standard
Pages
40
PublisherName
British Standards Institution
RevisionOf
Status
Withdrawn
SupersededBy

Standards Relationship
ISO/TR 11079:1993 Identical
ENV ISO 11079 : DRAFT 98 Identical

ISO 7726:1998 Ergonomics of the thermal environment Instruments for measuring physical quantities
EN 27726 : 1993 THERMAL ENVIRONMENTS - INSTRUMENTS AND METHODS FOR MEASURING PHYSICAL QUANTITIES
PREN 342 : DRAFT 2016 PROTECTIVE CLOTHING - ENSEMBLES AND GARMENTS FOR PROTECTION AGAINST COLD
EN 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 (ISO 7730:2005)
ISO 8996:2004 Ergonomics of the thermal environment Determination of metabolic rate
EN 28996 : 1993 ERGONOMICS - DETERMINATION OF METABOLIC HEAT PRODUCTION
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
ISO 9920:2007 Ergonomics of the thermal environment Estimation of thermal insulation and water vapour resistance of a clothing ensemble

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Hardcopy - English
PDF - English
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