着衣の開口部形状が衣服内気流と熱移動特性に及ぼす影響

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  • Influence of Clothing Opening Shape on Air Flow and Heat Transfer Characteristics in Clothing Microclimate

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<p>It is important that people make the life comfortable. One of the methods for human comfort in living environment is to utilize clothing. The microclimate of clothing is a small gap space between the human body and clothing. Since the clothing microclimate greatly influences the comfortability of a human during when wearing clothing, weinvestigated the air flow and heat transfer characteristics in clothing microclimate. Normally parameters such as air temperature, air humidity and air flow are measured. Among them, air flow would be most important for heat and humidity dissipation, therefore, we mainly focused on investigated air flow characteristics in clothing microclimate of simulated human body by the Particle Image Velocimetry (PIV) analysis. In this study, the results of PIV analysis showed that the air flows upward in the gap because of the natural convection of the human body. The air velocity and heat transfer in the clothing microclimate were influenced by the opening rate. We finally clarify a mechanism of air field formation in clothing microclimate.</p>

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