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Table 2 Ranges of validity for ISO 7933 [22] and ISO 9920 [27]

From: Comparison of correction factor for both dynamic total thermal insulation and evaporative resistance between ISO 7933 and ISO 9920

Parameter

ISO 7933 [14]

ISO 9920 [27]

Ta

15–50 °C

-

Tr–Ta

0–60 °C

-

M

52–232 W·m−2

-

Var

0.0–3.0 m·s−1

0.15–3.50 m·s−1

Vw

0.0–1.5 m·s−1

0.0–1.2 m·s−1

Icl

0.1–1.0 clo

0.0–1.4 clo

  1. Ta air temperature, Tr mean radiant temperature, M metabolic rate, Var relative air velocity, Vw walking speed, Icl intrinsic thermal insulation of clothing
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Journal of Physiological Anthropology

ISSN: 1880-6805

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