A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Analysis of Road Surface Heat Flux Based on Energy Balance Theory
Understanding the interaction between pavements and the ambient temperature is critical for mitigating urban heat islands. The objective of this paper is to investigate the variation of heat flux from different pavement materials based on a field experiment in Ningbo, China. One-year observation, including total surface solar radiation, reflective radiation and net total radiation, are analyzed. Quantitative variations of the heat flux are then determined using energy balance theory. Results show that the average daily heat flux (Qd) of asphalt pavements is higher than that of concrete pavements. Seasonally, summer has a larger Qd than spring has, and winter has the smallest Qd. On average, the daily heat flux varies from 4 to 12 W/m2. Weather condition influences heat flux. Ranking from the maximum to the minimum are clear days (11.8 W/m2), cloudy days (7.9 W/m2), and rainy days (4.2 W/m2).
Analysis of Road Surface Heat Flux Based on Energy Balance Theory
Understanding the interaction between pavements and the ambient temperature is critical for mitigating urban heat islands. The objective of this paper is to investigate the variation of heat flux from different pavement materials based on a field experiment in Ningbo, China. One-year observation, including total surface solar radiation, reflective radiation and net total radiation, are analyzed. Quantitative variations of the heat flux are then determined using energy balance theory. Results show that the average daily heat flux (Qd) of asphalt pavements is higher than that of concrete pavements. Seasonally, summer has a larger Qd than spring has, and winter has the smallest Qd. On average, the daily heat flux varies from 4 to 12 W/m2. Weather condition influences heat flux. Ranking from the maximum to the minimum are clear days (11.8 W/m2), cloudy days (7.9 W/m2), and rainy days (4.2 W/m2).
Analysis of Road Surface Heat Flux Based on Energy Balance Theory
Zou, Xiaoling (author) / Xiao, Danny X. (author) / Tang, Boming (author)
International Symposium of Climatic Effects on Pavement and Geotechnical Infrastructure 2013 ; 2013 ; Fairbanks, Alaska
2014-04-02
Conference paper
Electronic Resource
English
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