Yonsei University · Engineering
Professor Chungyoon Chun's research lab specializes in indoor environmental quality, with a primary focus on thermal comfort, sleep environments, and their physiological and psychological impacts across different age groups and living conditions. The lab investigates how factors such as temperature, humidity, air quality, and building materials affect human health and well-being, particularly in residential settings. Key research directions include thermal sensation prediction in elderly populations, sleep quality in relation to bedroom environments, and behavioral responses to climate control in homes and vehicles.
Figures are computed from collected data and may differ slightly.
The purpose of this study was to investigate both the sleep environment and sleep quality in bedrooms. It was also to reveal the relationship between sleep environment and sleep quality, and to study its seasonal changes in winter, spring, and summer. The subjects for this study were 24 women who lived in apartments in Seoul and its environs. We conducted two groups of measurements. One group considered elements of the sleep environment: mean radiant temperature, air temperature, relative humidi
Thermal pleasure is currently measured along psychological and physiological variables. However, in transient environments where temperatures change, it is hard to correlate psychological and physiological measures, because there is a delay in physiological changes. This study tests a method for correlating both measures using electroencephalogram (EEG), which can capture physiological feedback with a rapid response rate. In this experimental study, thermal pleasure was induced in a temperature
A cross-sectional study on the home environment and asthma and allergy in children was carried out among children 1–8 years old in Seoul, South Korea from 2009 to 2010. Questionnaires were distributed to 5107 parents through daycare centers and kindergartens; 2755 parents responded, a response rate of 54%. Seven percent and 23% of children were reported to have doctor-diagnosed asthma and hay fever, respectively. A majority (57%) of the families reported having PVC flooring in child's or parents
This study aims to develop a method to predict thermal sensation in elderly people. To identify the point on the body where skin temperature can best predict thermal sensation in elderly people aged 65 or older and develop a thermal comfort measurement model that can replace the psychological scale, experiments were conducted in a stainless steel wall finish climate chamber and at the seven senior welfare centres in Korea. The results of the climate chamber experiment with 30 healthy elderly peo
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