the porous city

Wet bulb temperatures and danger to human beings
The wet bulb temperature is the temperature of a bulb of mercury inside a damp cloth, in the shade. Basically, what's the temperature taking evaporative cooling into account? When the wet bulb temperature is too high, that's dangerous for human beings, since we depend on evaporative cooling - we're essentially wet bulbs. If the wet bulb temperature and the dry bulb temperature are the same, you're not getting any benefit from evaporative cooling.

chart of wet bulb temps for given temp and relative humidity

last modified: 15:31:03 29-Jun-2021
in categories:Science/Environment





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