دانلود مقاله ISI انگلیسی شماره 63874
عنوان فارسی مقاله

اصول طراحی جهت ساختمان برای ساختمان هایی با انرژی نزدیک به صفر در اقلیم سرد

کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
63874 2013 13 صفحه PDF سفارش دهید محاسبه نشده
خرید مقاله
پس از پرداخت، فوراً می توانید مقاله را دانلود فرمایید.
عنوان انگلیسی
Facade design principles for nearly zero energy buildings in a cold climate
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : Energy and Buildings, Volume 67, December 2013, Pages 309–321

کلمات کلیدی
طراحی نما؛ پنجره ها؛ روزنه؛ ساعت تابستانی؛ ساختمان هایی با انرژی نزدیک به صفر؛ بهینه هزینه؛ شبیه سازی انرژی
پیش نمایش مقاله
پیش نمایش مقاله اصول طراحی جهت ساختمان برای ساختمان هایی با انرژی نزدیک به صفر در اقلیم سرد

چکیده انگلیسی

Cost optimal and as energy efficient as possible façade solutions, including window properties, external wall insulation, window-to-wall ratio and external shading were determined with energy and daylight simulations in the cold climate of Estonia. Heating dominated in the energy balance and therefore windows with higher number of panes and low emissivity coatings improved energy performance. The window sizes resulting in best energy performance for double and triple glazing were as small as daylight requirements allow, 22–24% respectively. For quadruple and hypothetical quintuple glazing the optimal window-to-wall ratios were larger, about 40% and 60% respectively, because of daylight utilization and good solar factor naturally provided by so many panes. The cost optimal façade solution was highly transparent triple low emissivity glazing with window-to-wall ratios of about 25% and external wall insulation thickness of 200 mm (U = 0.16). Dynamic external shading gave positive effect on energy performance only in case of large window sizes whereas due to high investment cost it was not financially feasible. Limited number of simulations with Central European climate showed that triple glazing with double low emissivity coating and window-to-wall ratio of about 40%, i.e. slightly larger and with external shading compared to Estonian cost optimal one, clearly outperformed conventional design.

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