Source term estimation in the unsteady flow with dynamic mode decomposition

J Zhu, X Zhou, H Kikumoto - Sustainable Cities and Society, 2024 - Elsevier
When estimating source parameters in the unsteady flow, the flow information of pollution
dispersion is indispensable. It is common practice to save the flow information in the …

Identification of no-fly zones for delivery drone path planning in various urban wind environments

S Jiang, J Wang, C Li, J Ou, P Duan, L Li - Physics of Fluids, 2024 - pubs.aip.org
A drone delivery system, characterized by its low energy consumption, high efficiency, and
extensive coverage capability, has been adopted as an effective solution to overcome the …

High-resolution urban temperature simulation method considering various spatiotemporal boundary impacts

HC Zhu, C Xi, C Ren, J Wang, SJ Cao - Physics of Fluids, 2024 - pubs.aip.org
Climate change has heightened the frequency and intensity of extreme heat events in cities,
greatly impacting human health, the environment, and socio-economic activities, particularly …

Establishing Correlation between Flow Structures and Air Pollutant Dispersion around Isolated Building

YJ Guo, X Zhang, AU Weerasuriya, CY Li… - Building and …, 2025 - Elsevier
Air pollutant dispersion around buildings is highly complex due to the interactions between
turbulent wind flows and air pollutants. Predicting and managing air pollutant concentrations …

Footprints in an urban array model under multiple wind directions: A wind tunnel experiment investigation

H Jia, X Wang, H Kikumoto - Physics of Fluids, 2024 - pubs.aip.org
This study investigates the footprint distributions at various measurement positions in an
urban array model, considering two incident wind directions, 22.5 and 45⁠, by a wind tunnel …

Numerical study of the effects of fire on the flow and wake structures of an idealized building

Y Sun, Q Chen, S Zheng, C Liu - Physics of Fluids, 2024 - pubs.aip.org
Fire hazard is a crucial issue in urban arears. Fire plumes have large buoyancy forces and
can significantly change the flow pattern around buildings. However, the interaction of these …