Bulletin of the American Physical Society
76th Annual Meeting of the Division of Fluid Dynamics
Sunday–Tuesday, November 19–21, 2023; Washington, DC
Session R26: Geophysical Fluid Dynamics: Climate
1:50 PM–3:34 PM,
Monday, November 20, 2023
Room: 151A
Chair: Justin Burton, Emory University, Department of Physics
Abstract: R26.00007 : Turbulent models for optimal control of Urban Heat Island Dynamics
3:08 PM–3:21 PM
Presenter:
Waleed Mouhali
(ECE Paris)
Authors:
Waleed Mouhali
(ECE Paris)
Nacer Sellila
(Université Gustave Eiffel)
Houari Mechkour
(Lyrids, ECE, Paris)
Mohammed Louaked
(Normandie Univ, UNICAEN, CNRS, LMNO)
In this study, we use optimal control method to find the optimal shape of green space. It is based on non stationnary turbulent Navier Stokes Forchheimer model coupled with heat equation considering building/soil radiation effects. The urban airflow is a turbulent flow through, around and over groups of porous building clusters. As a consequence, the choice of the turbulent model is very important. We will compare RANS k-ε and RNG k-ε models written for porous media. We compute two-dimensional direct numerical simulation. We show the results for temperature and velocity fields. This work presents the governing equations, the control optimal algorithm and discusses the results of the predictions of the flow problems constituting the initial validation space of the model.
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