Importance of turbulence for the prediction of surface pressures on low-rise structures

H. W. Tieleman, T. A. Reinhold, M. R. Hajj

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27 Scopus citations

Abstract

Full/model-scale pressure coefficients at four different locations on the surface of a rectangular structure are compared in order to evaluate basic wind-tunnel simulation criteria. Analysis of field records from the Wind Engineering Research Field Laboratory (WERFL) are limited to those records for which the streamwise and lateral turbulence intensities closely matched those of the simulations. No attempt is made to scale the turbulence integral scale. Flow parameters and pressure data from field records are compared with those from two wind-tunnel model (scale 1 : 50) experiments. The first simulation features the conventional spire-roughness method, while for the second simulation small spires are added just upstream of the model location. The purpose of the addition of the small spires is to match the lateral turbulence intensities and to increase the small-scale turbulence content of the three components in the incident flow.

Original languageEnglish
Pages (from-to)519-528
Number of pages10
JournalJournal of Wind Engineering and Industrial Aerodynamics
Volume69-71
DOIs
StatePublished - 1997

Keywords

  • Field observations
  • Flow simulation
  • Low-rise structures
  • Model observations
  • Pressure coefficients
  • Turbulence

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