دانلود مقاله ISI انگلیسی شماره 55345
ترجمه فارسی عنوان مقاله

شبیه سازی عددی تأثیر اقدامات ضد گرم در برابر تنش گرمایی در فضای باز در 23 بخش توکیو، ژاپن

عنوان انگلیسی
Numerical simulations of influence of heat island countermeasures on outdoor human heat stress in the 23 wards of Tokyo, Japan
کد مقاله سال انتشار تعداد صفحات مقاله انگلیسی ترجمه فارسی
55345 2016 8 صفحه PDF سفارش دهید
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منبع

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

Journal : Energy and Buildings, Volume 114, 15 February 2016, Pages 104–111

ترجمه کلمات کلیدی
نقشه برداری تنش گرما در فضای باز، شبیه سازی عددی، مقابله با مخالفت جزیره گرم، 23 بخش توکیو
کلمات کلیدی انگلیسی
Outdoor heat stress mapping; Numerical simulation; Heat island countermeasures; The 23 wards of Tokyo

چکیده انگلیسی

In this study, the summertime outdoor heat stress hazard and heat disorder risk (HDR) were simulated, and their changes under several heat island mitigation scenarios were quantitatively evaluated. Gridded maps that included the 23 wards of Tokyo (23 Tokyo) were produced with 1-km horizontal resolution for consecutive summer months, facing extremely hot weathers, in 2010. The wet-bulb globe temperature (WBGT) was adopted as an outdoor heat stress indicator. Numerical simulations were applied to evaluate the effects of several heat island mitigation scenarios—including building greening (GR), high-albedo coating (ALB), and roof-level emissions of all waste heat by air conditioning (WH)—on the WBGT and HDR for 23 Tokyo. Results showed no cases that effectively lowered the outdoor WBGT and HDR for the studied region. Conversely, the ALB case increased the daily maximum WBGT by an average of 0.6 °C (maximum of 1.7 °C) over all the grids. This increase induced a 1.4 (3.3) times higher HDR in the area average (at the maximum grid) compared to a control case with no mitigation scenario. Hence, heat island mitigation methods reflecting solar radiation could potentially lead to an increase in the outdoor heat stress hazard and risk to a large extent in urban areas.

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