Workwear thermal protection performance "Fireman" test method

Compared with small-scale measurement methods, large-scale test methods such as “Human” can provide more comprehensive information such as heat protection and heat shrinkage of work clothes, but its testing cost is relatively low and the operation is more complicated. There are many international organizations and standardization organizations. Work has begun on the development of thermal protection workwear testing and set the appropriate standards. “Fireman” is a body of a simulated firefighter or high-temperature worker equipped with thousands of temperature sensors. The temperature measured by each temperature sensor represents the surface temperature of a part of human skin, and he uses “Fireman”. The technology is also equipped to simulate high-temperature radiation environment or fire field conditions, combined with computer data collection, processing and image display technology, to evaluate the overall thermal protection performance of workers' overalls garments, which can not only meet the specific use conditions of thermal protective clothing, but also Quickly, intuitively, qualitatively and quantitatively displays “staff” burn distribution images.
At present, there are mainly three kinds of "Fireman" test systems, namely the DuPont Thermo-Man Dummy, PyroMan "Fireman" of North Carolina State University and the "Fireman" test device of Alberta University in Canada. These devices can all be well-planned outside the open fire environment, the general simulation of heat source heat energy is 84kW/m2, which is an evaluation value of the heat flow received by firefighters in the outer layer of working clothes in the fire environment. In fact, firefighters are more exposed to the heat source than the value of the heat flow.

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