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Unformatted text preview: om the outside).
•Air treatment/air cooling differs from ventilation because it reduces the temperature of the air by removing heat (and
sometimes humidity) from the air.
•Air conditioning or chillers
•Another way to reduce heat stress is to increase the air flow or convection using fans, etc.
(If the dry bulb temperature is higher than 35°C (95°F), the
hot air passing over the skin can actually make the worker
hotter. ) Practice Problem
Cool hand Luke Luke is still in jail for failing to
communicate. He works in the hot
Mississippi sun digging culverts under
the watchful gaze of the man with no
eyes. On this particular day the
temperature is 30°C, the humidity is
moderate (NWB = 25°C ) and the globe
temperature is 45°C. There is no wind.
What work-rest schedule would you
recommend? What provisions would
you make to ensure that Luke makes it
through the day?...
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- Fall '12