Wet Bulb Globe Temperature

Wbgt was invented and first used during the 1950s as one element in a successful campaign to control serious outbreaks of.
Wet bulb globe temperature. The wet bulb globe temperature wbgt is a measure of heat stress in direct sunlight which is based on temperature humidity wind speed sun angle and cloud cover solar radiation. This differs from the heat index which is based only on temperature and humidity and is calculated for shady areas. Say that three times fast. T g is the globe temperature which indicates radiant heat.
T d is the ambient air dry temperature. Wet bulb globe temperature wbgt is nowadays the most widely used index of heat stress yet many users appear to be unaware of its history and its limitations. This differs from the heat index which takes into consideration temperature and humidity and is calculated for shady areas. In today s world there are plenty of companies that produce wbgt monitoring devices that can be used to accurately assess wbgt.
It s difficult to say and isn t easy to calculate but monitoring wet bulb globe temperature is a stress free way to protect student athletes employees and overall operations from extreme heat. Athletes industrial hygienists and the military use it to prevent heat stroke by following guidelines for physical activity and water intake. Wet bulb globe temperature wbgt. Wet bulb globe temperature is a kind of an apparent temperature the temperature perceived by humans used to estimate the effect of temperature humidity wind speed and sunlight on humans.
Wet bulb globe temperature wbgt is a popular topic for schools employers and. Temperature humidity wind speed sun angle and cloud cover solar radiation. Temperature humidity wind speed sun angle and cloud cover solar radiation. T w is the wet bulb temperature which indicates humidity.
Wet bulb globe temperature monitoring provided by the preventive medicine department. The wet bulb globe temperature wbgt is a type of apparent temperature used to estimate the effect of temperature humidity wind speed and visible and infrared radiation usually sunlight on humans it is used by industrial hygienists athletes sporting events and the military to determine appropriate exposure levels to high temperatures.