dfISO7933AppF: Adjusted data from Appendix F of ISO 7933

Description Usage Format Note References Examples

Description

Calibration data for predicted heat strain model from ISO 7933 Appendix F

Usage

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Format

A data frame with 10 rows on the following 11 variables and 5 predicted result values.

accl

a numeric vector

posture

a numeric vector of posture, 1 = sitting, 2 = standing, 3 = crouching []

Ta

a numeric vector o air temperature [degree C]

Pa

a numeric vector of partial water vapour pressure [kPa]

Tr

a numeric vector of mean radiant temperature [degree C]

Va

a numeric vector of air velocity [m/s]

Met

a numeric vector of metabolic rate [W/(m*m)]

Icl

a numeric vector of static thermal insulation [clo]

THETA

a numeric vector of angle between walking direction and wind direction, 0-360 [degree]

Walksp

a numeric vector of walking speed [m/s]

Duration

a numeric vector of the duration of the work sequence, usually 480 [min]

Tre

a numeric vector of predicted rectal temperature [degree C]

SWtotg

a numeric vector of predicted total water loss [g]

Dlimtre

a numeric vector of predicted time after which maximum rectal temperatur is reached [min]

Dlimloss50

a numeric vector of maximum duration to limit water loss to 7.5% of body mass with an average person [min]

Dlimloss95

a numeric vector of maximum duration to limit water loss to 5.0% of body mass with 95% of population [min]

Note

Additionally to the 5 presented predicted values in ISO 7933 some more intermediate results are exported to the dataframe.

References

ISO 7933 Ergonomics of the thermal environment - Analytical determination and interpretation of heat stress using calculation of the predicted heat strain (ISO 7933:2004)

Examples

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marcelschweiker/comf documentation built on May 21, 2017, 6:41 p.m.