L10_ Heat Stress 2012 NEW

Air treatmentair cooling differs from ventilation

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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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