加湿器導入による冬期の工場勤務者の温熱快適性および主観的評価の変化に関する調査研究

概要

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A factory introduced a new system of humidifiers in a room to reduce the static electricity. Air humidity and temperature in the room and the other rooms that did not use the humidifiers were measured every 20 minutes for three month in winter. The factory workers filled out a questionnaire after work every day. The workers were asked about the subjective symptoms of their health conditions, i.e. nose dryness, sore throat, and thermal comfort. A total of 4600 questionnaires were obtained. With the use of humidifiers. relative humidity in the room increased. From the changes in worker's subjective symptoms, we concluded that the use of humidifiers in heated rooms in winter could reduce health problems and thermal discomfort originated by dry mucous membranes. Although the ambient temperatures were approximately the same before and after the introduction, after the use of humidifiers, the workers felt warmer by 2℃.
社団法人日本建築学会の論文
2002-02-28