کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
6728219 1428921 2018 33 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Single and combined phase change materials: Their effect on seasonal transition period
ترجمه فارسی عنوان
مواد تغلیظ شده فاز تک و ترکیبی: اثر آنها بر دوره انتقال فصلی
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موضوعات مرتبط
مهندسی و علوم پایه مهندسی انرژی انرژی های تجدید پذیر، توسعه پایدار و محیط زیست
چکیده انگلیسی
Phase change materials (PCMs) are being used as thermal mass in buildings to conserve energy. In this research, the application of appropriate PCMs to reduce building energy consumption and operating time of mechanical equipment during spring and autumn transition period in hot arid climate is studied. The study was conducted in buildings with diurnal occupation pattern. The simulation results were compared against measurements obtained from a calorimeter that was constructed for this purpose. The results show that PCM 29°C and 5 air change natural ventilation rate reduce annual energy consumption by 15%. This means that while for 38 days in spring and 29 days in autumn, the mechanical equipment can be turned off. The thermal performance of PCM 25°C is very well in spring. The appropriate PCM is the one with combined phase change melting point of 29°C and 21°C PCMs, which reduces energy consumption and increases the seasonal transition period 8% more than that of the single PCM 29°C.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Energy and Buildings - Volume 169, 15 June 2018, Pages 453-472
نویسندگان
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