This study aims to clarify effects of various environmental grades on thermal comfort. Field surveys were conducted in five semi-outdoor spaces in Tokyo, consisting of thermal environment measurement, questionnaires about thermal comfort and impression of surveyed spaces and real-time sensation voting. By impression evaluation and comparison of the regression curves of standard new effective temperature (SET*) against percentage of "uncomfortably warm", the surveyed spaces were classified into two categories: "outdoor tendency" and "indoor tendency". By regression analysis of real-time sensation voting result using hierarchical Bayesian approach, environmental grade was clarified to affect the correlation between pleasantness/unpleasantness and air velocity.
In Japan, intermittent air conditioning in living rooms is a common occurrence, and the thermal environment in other rooms is generally cold. Thus, it is necessary to provide a comfortable thermal environment for "Hiesho". This study aimed to clarify the effects of the heating system on the physiological and psychological responses of "Hiesho" when moving between rooms. The physiological and psychological responses were examined by conducting experiments under five different conditions. The results thus obtained showed that even "Hiesho" feel less cold when floor heating is running in the living room and foot heating is running in other rooms.
This study aims to identify factors that need to be improved to enhance work efficiency of workers in both office and home environments by focusing on activities classified into communication and intellectual ones. In this study, questionnaire surveys were conducted in four buildings. From results of questionnaires, ease of communication and intellectual activities are ensured in office work. Each activity has an equal impact on work efficiency of office workers. In work from home, ease of intellectual activities also has a stronger impact on work efficiency than ease of communication activities, and intellectual activities are easy.
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