Finite element analysis of air flow around permeable sand fences

✍ Scribed by Katsumori Hatanaka; Shintaro Hotta

• Publisher: John Wiley and Sons
• Year: 1997
• Tongue: English
• Weight: 411 KB
• Volume: 24
• Category: Article
• ISSN: 0271-2091
• DOI: 10.1002/(sici)1097-0363(199706)24:12<1291::aid-fld560>3.0.co;2-n

✦ Synopsis

A numerical study of the turbulent air flow in a trench trap and the turbulent flow around a permeable sand fence is reported in this paper. The two-dimensional modified k-e turbulence model proposed by Kato and Launder is used to predict the turbulent characteristics of the air flow. The discretization method for the governing equations is the three-step Taylor/Galerkin finite element method proposed by the authors. For the flow in a trench trap the numerical results are compared with experimental data obtained under realistic conditions using a large wind tunnel. For the air flow around a permeable sand fence a pressure loss model is used to represent the effect of the porosity of the fence on the flow field.