Flow Measurements around a Propeller Strut for a High-Speed Boat

Yasuaki Kohama, Risaburo Oba, Fukuo Ota, Makoto Ohyama, Yoshiyuki Terada

Research output: Contribution to journalArticlepeer-review


Systematic flow measurements were performed around a typical propeller strut of 13.8% in thickness ratio, designed for a high speed-boat engine, in a low turbulence wind tunnel as well as a cavitation tunnel, and also around a real strut equipted for an engine at sea. A relatively small drag coefficient CD ≠ 0.02 was obtained in the wind tunnel, indicating a strut having reasonable hydrodynamic performance. We also discussed the state of the boundary layer, the thickness distribution, the velocity distribution, the behavior of the following wake and cavitation performance.

Original languageEnglish
Pages (from-to)2217-2224
Number of pages8
JournalTransactions of the Japan Society of Mechanical Engineers Series B
Issue number539
Publication statusPublished - 1991
Externally publishedYes


  • Boundary Layer
  • Cavitation
  • Flow Measurements
  • Strut
  • Wake

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanical Engineering


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