Field Investigation on Indoor Thermal Performance of a High-rise Residential Unit in Bangkok
Keywords:
High-rise, Residential building, Urban area, Field investigation, Indoor thermal comfortAbstract
As an alternative solution to support an urbanization in Bangkok, high-rise condominium has dramatically increased the energy consumption. An air conditioning system that enables the unit plays the major role in reaching thermal comfort. A field investigation was conducted on indoor thermal environment of a one bedroom unit (a corner room with single-sided ventilation) during May 9th to June 8th, 2015, summer season. The hypothetical cases were devised to represent the room with different types of ventilation in order to examine the potential of using natural ventilation during the day and also reduce the time of air conditioning usage. The results show that by applying natural ventilation during the day along with air conditioning system during the night can effectively reduce indoor environmental temperature (EnvT). During the day with natural ventilation, indoor air velocity of 1.2 m/s could possibly provide acceptable indoor thermal comfort in some hours. However, thermal energy from high outdoor air temperature that enters room was absorbed within internal surfaces and resulted in the increasing of cooling load at night when air conditioning system was used.
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