کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
8071048 1521391 2018 35 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Latent and sensible heat analysis of PCM incorporated in a brick for cold and hot climatic conditions, utilizing computational fluid dynamics
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موضوعات مرتبط
مهندسی و علوم پایه مهندسی انرژی انرژی (عمومی)
پیش نمایش صفحه اول مقاله
Latent and sensible heat analysis of PCM incorporated in a brick for cold and hot climatic conditions, utilizing computational fluid dynamics
چکیده انگلیسی
Thermal energy storage is a key issue in efficient energy systems applications. In this regard, phase-changing material (PCM) has been of interest as a passive solution for efficient energy management, especially in buildings. This paper presents a thermal analysis of a brick, which includes a particular type of PCM and ten air cavities, so as to be utilized in building envelop system. The objective of current study is to reduce heat transfer from outdoor to indoor space and vice versa by investigating latent and sensible heat storage through the PCM. Eventually, the fluctuations of indoor and outdoor air are analyzed in both the coldest and hottest days of Tehran in 2016. Computational fluid dynamics (CFD) was performed to estimate the behavior of the confined PCM while exposed to the external time-dependent conditions. The results indicated that in the summer heat storage was conducted mostly via latent heat, while in winter the thermal storage was mainly made up of sensible heat. However, in both the summer and winter, PCM could be incorporated in buildings envelop systems in order to operate as a passive indoor thermo-regulator.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Energy - Volume 159, 15 September 2018, Pages 160-171
نویسندگان
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