کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4926426 1431599 2017 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Effect of sky clearness index on transmission of evacuated (vacuum) glazing
ترجمه فارسی عنوان
تأثیر شاخص روشنایی آسمان بر انتقال واشر (خلاء) شیشه ای
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه مهندسی انرژی انرژی های تجدید پذیر، توسعه پایدار و محیط زیست
چکیده انگلیسی
Glazing transmittance variation with clearness index has higher influence than incident angle for soar energy application. This work presents variation of vacuum glazing transmittance with clearness index. Clearness index and transmittance was calculated from measured one year (2014) solar radiation and glazing transmittance data in Dublin, Ireland. Clearness index below 0.5 offer single value of transmittance whereas above 0.5 clearness index glazing transmittance varies with clearness index. For different azimuthal orientation, clearness index associated with vertical plane glazing transmittance has been proposed. In Dublin for south facing vertical plane, vacuum glazing has 35% transmittance below 0.5 clearness index. Yearly usable single transmitted solar energy and solar heat gain coefficient for vertical plane south facing vacuum glazing are 87 W/m2 and 0.22 respectively.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Renewable Energy - Volume 105, May 2017, Pages 160-166
نویسندگان
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