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International Symposium on High Performance Computing

ISHPC 2000: High Performance Computing pp 502–513Cite as

Direct Numerical Simulation of Coherent Structure in Turbulent Open-Channel Flows with Heat Transfer

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Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 1940))

Abstract

In the present study, turbulent heat transfer in open-channel flows has been numerically investigated by means of a Direct Numerical Simulations (DNSs) with a constant temperature at both free surface and bottom wall. The DNSs were conducted for two Prandtl number, 1.0 and 5.0 with a neutral (i.e., zero gravity) or stable stratification (Richardson number; 27.6), while a Reynolds number of 200, based on the friction velocity and flow depth. As the results, the coherent turbulent structures of fluid motion and thermal mixing, and the influence of Pr change for heat transfer, buoyancy effect for turbulent structures and hear transfer, and relationship among them, are revealed and discussed.

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Author information

Authors and Affiliations

  1. Department of nuclear engineering, Kyoto University, Yoshida, Sakyo, Kyoto, Japan

    Yoshinobu Yamamoto, Tomoaki Kunugi & Akimi Serizawa

Authors
  1. Yoshinobu Yamamoto
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  2. Tomoaki Kunugi
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  3. Akimi Serizawa
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Editor information

Editors and Affiliations

  1. Departamento de Arquitectura de Computadores, Universidad Politecnica de Catalunya, Spain

    Mateo Valero

  2. Department of Information and Computer Sciences, Nara Women’s University, Japan

    Kazuki Joe

  3. Institute of Industrial Science Center for Conceptual Information Processing Research, University of Tokyo, Japan

    Masaru Kitsuregawa

  4. Graduate School of Engineering Electrical Engineering Department, University of Tokyo, Japan

    Hidehiko Tanaka

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© 2000 Springer-Verlag Berlin Heidelberg

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Yamamoto, Y., Kunugi, T., Serizawa, A. (2000). Direct Numerical Simulation of Coherent Structure in Turbulent Open-Channel Flows with Heat Transfer. In: Valero, M., Joe, K., Kitsuregawa, M., Tanaka, H. (eds) High Performance Computing. ISHPC 2000. Lecture Notes in Computer Science, vol 1940. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-39999-2_48

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  • DOI: https://doi.org/10.1007/3-540-39999-2_48

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-41128-4

  • Online ISBN: 978-3-540-39999-5

  • eBook Packages: Springer Book Archive

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