Chiang Mai weather identification affecting acceptable thermal comfort to passive building design
Keywords:
climate, thermal comfort, passive design, Chiang MaiAbstract
Weather is a building design index in the choice of passive techniques. This study aims to understand the weather identification, Chiang Mai, which is evaluated by Bioclimatic Chart, the potential of the passive design with acceptable conditions of comfort by using ASHRAE 55 analyze the conditions, building mass and wind speed. The study of weather identification found that most weather patterns are characterized by high temperatures and comfortable relative humidity of 29.50%. In some parts, the temperature is right but very high humidity is 23.97% with a comfortable 21.01%. The study on the potential of passive design, found that during daytime at 10.00-17.00, it was relatively less acceptable due to the influence of air temperature, especially in summer and rainy seasons. In the low mass buildings, the comfort is close to outdoor. In the medium mass buildings, the comfort is due to heat accumulation. In the case of high mass buildings, the ability to retain heat appears much longer than the first two, thus more comfortable.
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