Abstract
This report examined the effects of human facial cooling by wind on some physiological reactions in summer.
Four healthy female subjects were dressed with a test wear which perfectly protected the whole body except the face. In a test chamber kept at 15 or 10°C, the wind (5. 4 m/sec) was blown on sedentary subject's face for 30 min. Skin temperatures on 21 points, rectal temperature, oral temperature, plethysmograph were measured. The subjects described their feeling of warmth and discomfort.
The results were as follows :
1) During facial cooling by wind, facial skin temperatures decreased rapidly and after that, recovered rapidly. The temperatures cooled by wind were in the order forehead (warmest) > malar_??_cheek_??_tchin >noes (coldest). Individual difference was remarkable at the nose skin temperature.
2) The facial cooling influenced the skin temperatures of shoulder, forearm, hands, finger tip and leg part.
3) Oral temperature decreased at the cooling. Rectal temperature was stable and no remarkable variation was observed.
4) Pulse wave height had a high correlation with mean skin temperature or mean facial skin temperature.
5) At facial cooling by wind, subjects described cool feeling and their discomfort feeling increased.
