Modeling Airflow in Urban Form against Sand Accumulation (case Study: Saltation in the Town of Timimoun in Southern Algeria)

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Mestoul Djamel; Bensalem Rafik; Adolphe Luc

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Journal Paper

Paper Information

Journal: International Journal of Architecture and Urban Development Year:2016 | Volume:6 | Issue:2 Page(s): 43-48

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Information Journal Paper

Title

Modeling Airflow in Urban Form against Sand Accumulation (case Study: Saltation in the Town of Timimoun in Southern Algeria)

Author(s)

Mestoul Djamel | Bensalem Rafik | Adolphe Luc | Issue Writer Certificate

Keywords

Computational Fluid Dynamics (CFD)

Sand accumulation

Saltation

Urban form

Urban geometry

Wake effect

Abstract

In our present research, we focus on the modeling of airflow related to natural disasters, such as Sand accumulation, with Urban form studies. The objective is to find which Urban form can promote sand passing and reduce as much as possible stagnation of sand in the building area (streets, alleys, etc. ). The Urban form design will be discussed through the simulation of airflow by using Computational Fluid Dynamics (CFD). In terms of simulation, we simulated the airflow behavior, which is responsible of sand stagnation in some specific configurations. A flat ground was chosen with a first configuration, which was varied to test each time a current airflow behavior in this configuration. This modeling is made possible following an appropriate turbulence model. In this study, a correlation was made between urban wind speed and morphological parameters such as aspect ratio, building geometry and building density. According to our theoretical references, this correlation shows that urban wind speed can help reduce sand stagnation with proper values of these parameters. Therefore, through the Urban form study we can promote wind speed and blow away the accumulated sand till the urban limits.

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APA: Copy

Mestoul, Djamel, Bensalem, Rafik, & Adolphe, Luc. (2016). Modeling Airflow in Urban Form against Sand Accumulation (case Study: Saltation in the Town of Timimoun in Southern Algeria). INTERNATIONAL JOURNAL OF ARCHITECTURE AND URBAN DEVELOPMENT, 6(2), 43-48. SID. https://sid.ir/paper/329224/en

Vancouver: Copy

Mestoul Djamel, Bensalem Rafik, Adolphe Luc. Modeling Airflow in Urban Form against Sand Accumulation (case Study: Saltation in the Town of Timimoun in Southern Algeria). INTERNATIONAL JOURNAL OF ARCHITECTURE AND URBAN DEVELOPMENT[Internet]. 2016;6(2):43-48. Available from: https://sid.ir/paper/329224/en

IEEE: Copy

Djamel Mestoul, Rafik Bensalem, and Luc Adolphe, “Modeling Airflow in Urban Form against Sand Accumulation (case Study: Saltation in the Town of Timimoun in Southern Algeria),” INTERNATIONAL JOURNAL OF ARCHITECTURE AND URBAN DEVELOPMENT, vol. 6, no. 2, pp. 43–48, 2016, [Online]. Available: https://sid.ir/paper/329224/en

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