Study on the Influence of Indoor Personnel's Wearing State on Clothing Thermal Insulation
Clothing thermal insulation is one of the important factors affecting the thermal comfort of indoor human body.The change of dressing state is an important way to adjust human behavior to adapt to the indoor thermal environment.In this study,four typical dressing states of indoor personnel were summarized through field investigation,namely,normal state,unzipping zipper,pulling up sleeves and simultaneously unzipping zipper and pulling up sleeves.And,26 groups of clothing thermal insulation tests of nine sets of different wearing states were done by using thermal manikin under laboratory conditions.The results showed that compared with the normal wearing state,the overall thermal insulation values of the other three states dropped by 3.7％～9.7％,8.0％～12.9％,and 9.1％～17.1％,respectively.The local thermal resistance values mainly changed in the abdomen,chest,shoulder,upper arm,forearm,and other parts.On this basis,the overall and local clothing thermal insulation correction model based on normal dress state was proposed,providing a method for accurately obtaining the clothing thermal insulation values of different dress states.
clothing thermal insulationthermal comfortthermal manikinmodified model
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