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The effects of courtyards on indoor thermal conditions of chinese shophouse in Malacca

Zakaria, Mohd. Azuan and Kubota, Tetsu and Toe, Doris Hooi Chyee (2015) The effects of courtyards on indoor thermal conditions of chinese shophouse in Malacca. In: The 9th International Symposium on Heating, Ventilation and Air Conditioning and the 3rd International Conference on Building Energy and Environment (ISHBAC-COBEE 2015), 12-15 June, 2015, China.

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This paper discusses the effects of courtyards on indoor thermal environment in a traditional shophouse in Malacca, Malaysia based on the results of field measurement. The results showed that the indoor air temperatures in the living hall (ground floor) and the master bed-room (first floor) were approximately 0.3-1.7ºC lower than the corresponding outdoor air temperature during daytime despite having a high thermal mass structure. The structural cool-ing effect in these rooms was reduced due to relatively large ventilation rates caused by the two courtyards. Meanwhile, during night-time, the indoor air temperatures in the two rooms were merely 0.8-1.9°C higher than the outdoors mainly due to the inflows of cooled air from the roofs. The results of the thermal comfort evaluation showed that the indoor operative tem-peratures in both rooms exceeded the 80% upper comfortable limits over 36-47% of the measurement period. Furthermore, the smoke test and the sequential photograph observation revealed that there were three air flow patterns in and around courtyards during the measure-ment period.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:courtyard, natural ventilation
Subjects:T Technology > TH Building construction
Divisions:Built Environment
ID Code:61133
Deposited By: Widya Wahid
Deposited On:14 Mar 2017 06:47
Last Modified:22 Aug 2017 01:08

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