着衣のゆとり度が立位姿勢の人体投射面積に及ぼす影響

概要

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This study aims to examine the influences of clothing fit on projected areas of the human body especially at standing posture. The projected areas of 6 subjects (3 males and 3 females), wearing 3 kinds of clothes with different clothing fits, were measured at standing posture from 3 kinds of azimuth 0°, 45°and 90° at 8 different solar altitude ranging from 20° to 90° using photographic method, to determine the receiving solar radiation factor. The clothing fit index β_i was defined using the clothing area divided by the part of body surface area covered by clothing. The results were : The projected area factors become bigger as the clothing fit index β_i is increases and they are the biggest at a solar altitude of 20° and azimuth 0°. The projected area factor of "clothing No.6", which is the loosest clothing fit, gets 1.2 times for male and 1.4 times for female as big as that of unclothed bodies under the condition of altitude 30° and azimuth 90°. The above mentioned difference between male and female is caused by the clothing type, trousers or skirt. Fanger concluded that there is no difference in the factors of the unclothed and clothed body. However, an increase in the projected area factor derived for the subjects wearing tight fit clothing surface is found in this study.
1999-04-30