Effect of turbulence on a plano-convex circular disk

J. C.K. Cheung, W. H. Melbourne

Research output: Contribution to journalConference articleResearchpeer-review


The two mean force components and the mean torsional moment acting on a plano-convex circular disk have been measured on a strain gauge balance in uniform wind flows of various turbulence intensities and scales. The thickness-to-diameter aspect ratio of the disk ranges from 0.15 to 0.30. The results are compared with those for a flat circular disk with varying porosity and a sphere as well as some limited amount of data for dish shaped bluff bodies. The data presented are relevant to the design of wind loading on dish-type aerial antennae and those with a front shield in particular. The effects of incident turbulence intensity and longitudinal integral scale on wind loads for codification are discussed.

Original languageEnglish
Pages (from-to)467-478
Number of pages12
JournalJournal of Wind Engineering and Industrial Aerodynamics
Issue number1-3
Publication statusPublished - 1 Jan 1999
EventProceedings of the 1997 4th Asia Pacific Symposium on Wind Engineering - Gold Coast, QLD, Australia
Duration: 14 Jul 199716 Jul 1997


  • Circular disk
  • Dish
  • Force
  • Torsion
  • Turbulence effects

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