Song Daifeng, Shen Xiaojie, Liu Shuyu

Keywords： Urban Air Path; Urban Ventilation Corridor; Concept; Locating Methodology; Germany

Abstract：

“Urban Air Path” is a core terminology for defining the “Urban Ventilation Corridor” in relevant standards in China. With the development of ventilation requirements and related theories since the early 20th century, the concepts and locating methodologies of urban air paths have been proposed and evolved through long-term practice in Germany. These have become the theoretical foundation for the construction of urban ventilation corridors in other countries. By reviewing the historical development of the concept, clarifying the historical background, key terminology, concept connotations, and the nature and basic ideas of the locating work in various stages, the evolution characteristics of the concepts and methodologies of urban air paths are explored, the essence of the concept is discussed, and the definition of the terminology is proposed.

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