L A Kuehn et al 1971 J. Phys. E: Sci. Instrum. 4 293 doi:10.1088/0022-3735/4/4/010
L A Kuehn, R A Stubbs and L E MacHattie
Show affiliationsA new instrument is described in which the readings of a single mercury-in-glass thermometer approximate to the wet bulb globe temperature index and therefore serve as a useful measure of the total heat stress imposed on man by his thermal environment. The thermometer bulb is located at the centre of a hollow blackened copper sphere which is covered by a moistened fabric jacket. Of several versions differing in jacket geometry, the most promising agrees with the WBGT index to within 1 degF in the range 70-90 degrees F WBGT for relative humidities ranging from 50 to 90%.
Issue 4 (April 1971)
L A Kuehn et al 1971 J. Phys. E: Sci. Instrum. 4 293
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