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Development of Flow Behind Three-Dimensional Fractal Structure

[+] Author Affiliations
Toshimasa Hiramatsu, Yuuki Kato, Tatsuo Ushijima, Osami Kitoh

Nagoya Institute of Technology, Nagoya, Aichi, Japan

Paper No. AJK2011-21022, pp. 3827-3830; 4 pages
  • ASME-JSME-KSME 2011 Joint Fluids Engineering Conference
  • ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D
  • Hamamatsu, Japan, July 24–29, 2011
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 978-0-7918-4440-3
  • Copyright © 2011 by JSME


Flow development of wake behind Sierpinski tetrahedron has been investigated. The Sierpinski tetrahedron is a three dimensional object of which fractal dimension is 2. Blockage ratio of the Sierpinski tetrahedron over cross section of wind tunnel is 100%. It is found that the fractal object can has an ability to generate relatively high Reynolds number based on turbulent intensity and Taylor microscale (Reλ = 155) even with the small scale wind tunnel of the present study.

Copyright © 2011 by JSME



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