[HTML][HTML] CFD simulations of turbulent flow and dispersion in built environment: A perspective review

Y Tominaga - Journal of Wind Engineering and Industrial …, 2024 - Elsevier
Computational fluid dynamics (CFD), a powerful analysis tool in wind engineering, has been
applied to a wide variety of problems over the past few decades. The application of CFD to …

Source searching in unknown obstructed environments through source estimation, target determination, and path planning

Y Ji, Y Zhao, B Chen, Z Zhu, Y Liu, H Zhu… - Building and Environment, 2022 - Elsevier
Autonomous mobile robots have been gradually employed to search unknown sources in
indoor environments. However, current studies have not fully addressed the source …

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 …

Natural gas leakage estimation in underground utility tunnels using Bayesian inference based on flow fields with gas jet disturbance

F Wang, X Zhou, J Huang, H Wang, H Kikumoto… - Process Safety and …, 2022 - Elsevier
In damp environment of underground utility tunnels, natural gas pipelines may corrode,
resulting in leakage from small holes. Considering the flammable and explosive properties …

Source term estimation in complex urban environments based on Bayesian inference and unsteady adjoint equations simulated via large eddy simulation

H Jia, H Kikumoto - Building and Environment, 2021 - Elsevier
Establishing an accurate source–receptor relationship is essential for identifying unknown
sources of air pollution in complex urban environments. Existing source term estimation …

Bayesian source term estimation of atmospheric releases in urban areas using LES approach

F Xue, H Kikumoto, X Li, R Ooka - Journal of hazardous materials, 2018 - Elsevier
The estimation of source information from limited measurements of a sensor network is a
challenging inverse problem, which can be viewed as an assimilation process of the …

Research on leakage detection technology of natural gas pipeline based on modified Gaussian plume model and Markov chain Monte Carlo method

J Zhao, J Li, Y Bai, W Zhou, Y Zhang, J Wei - Process Safety and …, 2024 - Elsevier
Natural gas pipeline leakage can cause significant economic losses and even jeopardize
public safety. Therefore, leakage detection technology is crucial. In this study, the pipeline …

An improved particle swarm optimization method for locating time-varying indoor particle sources

Q Feng, H Cai, F Li, X Liu, S Liu, J Xu - Building and environment, 2019 - Elsevier
The indoor transmission of airborne particles can spread disease and have health-related
and even life-threatening effects on occupants, thus necessitating effective ways to locate …

[HTML][HTML] Identification of an Unknown Stationary Emission Source in Urban Geometry Using Bayesian Inference

P Gkirmpas, G Tsegas, G Ioannidis, C Vlachokostas… - Atmosphere, 2024 - mdpi.com
Estimating the parameters of an unidentified toxic pollutant source is crucial for public safety,
especially in densely populated urban areas. Implementing source term estimation methods …

[HTML][HTML] A spatiotemporally separated framework for reconstructing the sources of atmospheric radionuclide releases

Y Xu, S Fang, X Dong, S Zhuang - Geoscientific Model …, 2024 - gmd.copernicus.org
Determining the source location and release rate are critical tasks when assessing the
environmental consequences of atmospheric radionuclide releases, but they remain …