The impact of sensor layout on Source Term Estimation in urban neighborhood

Liu Zhenzhe; Li Xiaofeng

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The impact of sensor layout on Source Term Estimation in urban neighborhood

机译：The impact of sensor layout on Source Term Estimation in urban neighborhood

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摘要

The layout of sensors in urban neighborhood has a great impact on the Source Term Estimation (STE) of dangerous or polluting gas leak sources. In this study, the effect of sensor layout on STE performance is analyzed using Computational Fluid Dynamics (CFD) approaches, and the best layout of sensors in the urban neighborhood is determined. The influence of source location and the border effect of measuring points on the performance of STE are analyzed. Results show that placing average two sensors around each building is the best sensor configuration for identifying source location parameters. Regarding the source intensity, no sensor configuration with obvious advantages has been observed. As the distance between pollutants and the city increases, the difficulty of STE increases. The result of STE is slightly more accurate and the posterior distribution is more concentrated after considering the border effect of measuring point.

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来源
《Building and environment》 |2022年第4期|108859.1-108859.12|共12页
作者
Liu Zhenzhe; Li Xiaofeng;
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作者单位

Tsinghua Univ, Sch Architecture, Dept Bldg Sci, Beijing 100084, Peoples R China;

Tsinghua Univ, Sch Architecture, Dept Bldg Sci, Beijing 100084, Peoples R China|Tsinghua Univ, Beijing Key Lab Indoor Air Qual Evaluat & Control, Beijing 100084, Peoples R China;

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原文格式 PDF
正文语种英语
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关键词
Source term estimation; Sensor layout; Urban atmospheric dispersion; Bayesian estimation; CFD;

The impact of sensor layout on Source Term Estimation in urban neighborhood

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