| Title |
Systematic Analysis of Indoor Thermal Environment Influencers and Strategies forEnergy-efficient Buildings |
| DOI |
https://doi.org/10.5659/JAIK.2024.40.1.177 |
| Keywords |
Indoor thermal environment; Architectural factors; Environmental factors; Personal factors; Energy saving; Bio-signal |
| Abstract |
This study seeks to identify factors influencing the indoor thermal environment with a focus on energy conservation and propose a strategy
for controlling indoor thermal conditions. The review of previous experiments measuring occupants' thermal perception highlighted factors
impacting their experience, including architectural elements such as materials, colors, windows, lighting, and daylight, environmental factors
like air temperature, mean radiant temperature, relative humidity, and air velocity, and personal factors including metabolic rate and clothing
insulation. Energy-saving possibilities through indoor thermal control were categorized based on these influencing factors. Methods include
adjusting the overall ambient temperature and controlling local temperature using the personal comfort system (PCS). These approaches can
influence the set temperature of the heating, ventilation, and air conditioning (HVAC) system. Physiological responses, measured through
electroencephalogram (EEG), skin temperature (ST), electrodermal activity (EDA), heart rate (HR), heart rate variability (HRV), SpO2, and
metabolic rate (MET), were employed for a quantitative understanding of occupants' thermal perception. This quantitative approach addresses
the limitations of subjective qualitative evaluations. A strategy for indoor thermal environment control was proposed by summarizing the
analyzed factors. This outcome can serve as fundamental design data for initial architectural plans focusing on thermal indoor environments. |