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نویسندگان مقالات پربازدید :
ساختمان و محیط زیست
جزئیات رویداد
همایش ، رویداد ، ژورنال
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  • a study on the potential of natural ventilation and cooling for large spaces in subtropical climatic regions

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    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 523
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     the potential of natural ventilation and cooling due to stack effects was investigated for large spaces with high ceilings. different opening area ratios with respect to floor area were studied. parameters of stack effects that consider floor heights were analyzed. performance of natural ventilation was evaluated with cooling effects and indoor air quality for different months of the year. three cities in northern, middle and southern taiwan were used to represent typical subtropical weather types. it was found that opening ratio above 0.9％ is sufficient to provide fresh air to meet iaq requirement. two different temperature control strategies, fixed indoor temperature (fit) and operative indoor temperature (oit) were proposed and studied. a sensible cooling potential, fpc, was proposed. different levels of fpc, namely, strong, medium, weak and not available were used to evaluate the number of days for which natural cooling, hybrid ventilation, mechanical air conditioning are to be applied to satisfy the cooling requirement. the research results presented can be used in the design of openings for large spaces, and also the air-conditioning control strategies for different seasons of the year.

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