A Study on Sensitive Evaluation for Environmental Design of Marine Living Spaces

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The designers of marine structure have to take into account of keeping living and working environment to be comfort. In a case of the severe condition beyond the criterion of comfortable environment, some measures for compensation, such as a living pace with air conditioning system need to be taken by use of sensitive evaluation. Hence, the methodology of synthetic sensitive evaluation would be established for environmental design of marine structure. The following study was carried out in this research project.(1) The thermal equilibrium equation of human body is investigated finely and the thermal factor related to oceanic exposure environment are defined for the purpose of thermal control of human body. Furthermore, the formula for the heat storage of body which is regarded as the measure for the evaluation of working space, is simplified practically as a function consisted of temperature, wind velocity, metabolic heat and cloth heat resistance. This formula can be desirably used to judge the necessity of some compensated structure and suitable heat equipment for the protection of workers against severe exposure environment.(2) In order to grasp the relation between the thermal state of human body and the thermal environmental factors such as operative temperature, metabolic heat and clothes, the experiment is carried out during the excise by ergo-meter in constant temperature and humidity room and under sunshine environment. Being based on the results of experiment, the heat balance model human body is established with a view of calculating the quantity of heat storage as a heat stress index.