کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
4919031 1428942 2017 39 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
A detailed investigation of thermal behavior of green envelope under urban canopy scale in summer: A case study in Shanghai area
ترجمه فارسی عنوان
بررسی دقیق حرارتی پوشش سبز در مقیاس کاناپه شهر در تابستان: مطالعه موردی در منطقه شانگهای
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کلمات کلیدی
پاکت سبز، انتقال گرمایی گرم همراه، مدل کابین شهری، اثر خنک کننده،
موضوعات مرتبط
مهندسی و علوم پایه مهندسی انرژی انرژی های تجدید پذیر، توسعه پایدار و محیط زیست
چکیده انگلیسی
As a building component with long history, green envelope has received much attention for its thermal and energy benefits in the past decades. However, few studies have taken into account the two-way effect of green envelope on indoor and outdoor environment during thermal performance evaluation. In this paper, a coupled hygrothermal transfer model of green envelope is developed and validated against field measurements, and the results demonstrate that the model could reasonably reproduce temporal variations of temperature and moisture in green envelope. Then the green envelope model is implemented into an urban canopy model to predict its thermal performance under urban canopy context in Shanghai area. The simulations for a district of office buildings indicate that green envelope decreases sensible heat getting into the indoor and outdoor space significantly, and the maximum indoor temperature difference between buildings with and without green envelope is up to 0.34 °C under free-floating condition. Meanwhile, for outdoor environment, the maximum differences for air temperature, mean radiant temperature and SET* are up to 0.1,0.9 and 0.2 °C respectively under air conditioning condition. What's more, sensitivity analysis shows that building density has a significant effect on the relative cooling benefit of green envelope against common envelope.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Energy and Buildings - Volume 148, 1 August 2017, Pages 142-154
نویسندگان
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