都市内幹線道路沿線における大気質予測シミュレーションシステムの構築 : 第1報,大気拡散モデルの開発(熱工学,内燃機関,動力など)

概要

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A simulation model for predicting air quality along urban main roads is being studied. The objective of the model is to predict the effects on air quality of various road-related parameters such as configurations of roads and surrounding buildings as well as traffic flow, chemical reaction, and other related phenomena. In this paper, the development of an atmospheric diffusion model, which will be the platform of the whole simulation model, is reported. A new concentration diffusion coefficient model is proposed, in which the effect of vehicle wind is taken into account. By comparing with field experiments in which the diffusing tracer gas concentration was measured in a real street canyon, the validity of the simulation model is verified. Also the new diffusion coefficient model is found to be capable of improving predictive accuracy of air quality around the street canyon.
一般社団法人日本機械学会の論文
1997-07-25