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The Historical Changes of Winds above Open Spaces and the Surroundings of Nanjing
Pages: 81-88
Year: Issue:  2
Journal: Urban Planning Forum

Keyword:  CFD (computational fluid dynamics) airflow simulationmicroclimateopen spaceurban formhistorical changes;
Abstract: Based on CFD (Computational Fluid Dynamics) simulation,this paper compares the winter and summer prevailing wind patterns above three open spaces and the surroundings in Nanjing in relation to the building densification and urban form transformation from the 1930s to the 2000s.Adverse changes include more turbulent flows,degrading outdoor amenity,and blocked ventilating corridors in certain areas.The authors suggest putting wind issues on the agenda of sustainable urban planning,design and management.The proposed measures include developing assessment methods,planning tactics,and design guidelines at different scales.Decision making and public participation facilitated by CFD simulation and visualization will ensure the role of open spaces in adjusting urban microclimate.
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