کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6733958 | 504057 | 2014 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Development of smart gypsum composites by incorporating thermoregulating microcapsules
ترجمه فارسی عنوان
توسعه کامپوزیت های گچی هوشمند با استفاده از میکروکپسول های حرارتی
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
انرژی های تجدید پذیر، توسعه پایدار و محیط زیست
چکیده انگلیسی
Smart gypsum composites were manufactured by adding different kinds of microcapsules containing phase change materials (PCMs) in order to develop building materials with high thermal energy storage (TES) capacity useful for being applied in high comfort constructive systems. The physical, thermal and mechanical properties of these composites such as density, porosity, thermal stability, thermal conductivity (k), equivalent heat capacity (cp), the accumulated heat power (qacc) and the maximum compressive strength were studied. Results showed that the higher the microcapsules content, the lower the density and k and the higher the cp and qacc, due to the PCM action. Besides, the addition of 15Â wt% of microcapsules respect to the hemihydrate would allow to save 4.5Â kWh of energy per operating cycle in a standard room covered with 1Â m3 of this gypsum. This energy is equivalent to the energy spent by three incandescent light bulbs of 60-W kept on all the day and a reduction of 1.395Â kg of CO2 emissions to the atmosphere. The addition of these thermoregulating materials to gypsum decreases their compressive strength but all the developed materials satisfied the Spanish mechanical regulations for gypsum as building material, being possible to increase the total amount of added microcapsules.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Energy and Buildings - Volume 76, June 2014, Pages 631-639
Journal: Energy and Buildings - Volume 76, June 2014, Pages 631-639
نویسندگان
Ana M. Borreguero, Ignacio Garrido, José L. Valverde, Juan F. RodrÃguez, Manuel Carmona,