暑熱環境下の海洋作業における熱的限界と温熱対策に関する研究 : (その2) 温熱対策区分

概要

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As designing of marine structure operating in a low latitude, it has need to consider taking some suitable countermeasures in order to prevent workers from lowering their operative ability and getting heat sickness in the cause of high heat working environment such as a high temperature state with sunshine. Therefore, the thermal threshold of human body should be defined clearly for the combination of many thermal environmental factors. In severe case for human body of unable to keep thermal homeostasis, the critical working hour may be decided to lay down the limit time when an increase of body foundation temperature exceeds the fixed threshold value. According to this assumption, the judging formula of thermal working threshold could be obtained by use of the body heat storage taking account of thermal factors such as operative temperature, metabolic heat and clothes. Further, the adequacy of this formula is confirmed by comparing with the results of measurement on body heat state that was excluded during indoor and outdoor exercise using ergo-meter. Furthermore, the dividing areas in west pacific ocean are classified into five degrees of countermeasures against heat storage in human body.
社団法人日本船舶海洋工学会の論文