2023 Volume 30 Issue 1 Pages 29-37
To clarify the influence of the heat transfer of the air layer in the micro gap between the skin and non-air permeability clothing while wearing clothing, with the cloth inserted in different positions, the heat transfer characteristics of the air layer were investigated. Woollen cloth or interlining was inserted into the high temperature part or low temperature part of sealed and unsealed air layers of various thicknesses (≦10.0 mm). It became clear that the heat transfer in the air layer differs depending on the position where the cloth was inserted. In both sealed and unsealed air layers, the air layer with the cloth inserted on the high temperature side tends to have higher heat retention than the air layer with the cloth inserted on the low temperature side. It was clarified that the heat retention is higher when the woollen cloth, which has lower air permeability than the interlining, is inserted.
