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DYNAMICS OF VELOCITY FIELD IN DEVELOPED THERMAL TURBULENCE

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IUTAM Symposium on Elementary Vortices and Coherent Structures: Significance in Turbulence Dynamics

Part of the book series: Fluid Mechanics and Its Applications ((FMIA,volume 79))

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Abstract

We have measured instantaneous velocity profiles in mercury thermal turbulence in a cylindrical cell of 1/2-aspect-ratio. In our previous work, we obtained some intriguing results from the measurement of the vertical velocity profile w(z) along the central axis of the cell. To investigate the velocity field in more detail, we have recently improved the apparatus so that horizontal velocity profiles u(x) and v(y) just below the top plate can be measured as well as w(z). In this paper, some preliminary results from the measurements of the horizontal profiles are introduced together with the speculation of the shape of the mean flow, and future prospects are presented.

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References

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Authors and Affiliations

  1. Department of Physics, Graduate School of Science, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan

    Takashi Mashiko

  2. Department of Energy Science and Engineering, Graduate School of Engineering, Nagoya University, Furocho, Chikusa-ku, Nagoya, 464-8603, Japan

    Yoshiyuki Tsuji

  3. Department of Physics, Graduate School of Science, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan

    Masaki Sano

Authors
  1. Takashi Mashiko
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  2. Yoshiyuki Tsuji
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  3. Masaki Sano
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Editor information

Editors and Affiliations

  1. Department of Mechanical Engineering and Science, Kyoto University, Kyoto, Japan

    SHIGEO KIDA

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© 2006 Springer

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Mashiko, T., Tsuji, Y., Sano, M. (2006). DYNAMICS OF VELOCITY FIELD IN DEVELOPED THERMAL TURBULENCE. In: KIDA, S. (eds) IUTAM Symposium on Elementary Vortices and Coherent Structures: Significance in Turbulence Dynamics. Fluid Mechanics and Its Applications, vol 79. Springer, Dordrecht. https://doi.org/10.1007/1-4020-4181-0_24

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  • DOI: https://doi.org/10.1007/1-4020-4181-0_24

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-1-4020-4180-8

  • Online ISBN: 978-1-4020-4181-5

  • eBook Packages: EngineeringEngineering (R0)

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