Abstract
Temperature control for an air-conditioner is an ergonomic design variable. Ergonomic studies on the thermal sensations in room environment are relatively few while many studies are available for the thermal sensations in extremely warm/cold conditions. The objective of this study was to find out factors which affect the cutaneous thermal sensations and so to propose new cooling control procedure using the JND(just noticeable difference) values of cutaneous thermal sensation for the design of an air-conditioner. The JNDs of cutaneous thermal sensation corresponding to the skin, room temperatures and temperature change rates were obtained. Based on the result of the study, a new cooling procedure using the concept of JND on thermal sensation was developed and applied to a new air-conditioner model.
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