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Effects of System Rotation on Disturbances Injected Into Laminar Flow

[+] Author Affiliations
Oaki Iida, Yosuke Aono

Nagoya Institute of Technology, Nagoya, Japan

Paper No. AJKFluids2015-25598, pp. V01AT25A009; 6 pages
doi:10.1115/AJKFluids2015-25598
From:
  • ASME/JSME/KSME 2015 Joint Fluids Engineering Conference
  • Volume 1A: Symposia, Part 2
  • Seoul, South Korea, July 26–31, 2015
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 978-0-7918-5721-3
  • Copyright © 2015 by JSME

abstract

Effects of system rotation are investigated on inhomogeneous flow where disturbances are transported from turbulent to non-turbulent flow field through advection and turbulent diffusion. With the body force on the fringe region, spectral method is used for inhomogeneous flow which is stirred at the bottom of the cuboid computational box. As a result, it is found that inertial waves with a constant helicity are transmitted in the direction perpendicular to the stirred surface, and parallel to rotational axis. In this study, the effects of system rotation on generation and propagation of wave are discussed.

Copyright © 2015 by JSME

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