Turbulent behaviors in open channel trench analyzed by using PIV and turbulence model

T. Kanda; I. Fujita; H. Miyamoto; J. Ikegami

Turbulent behaviors in open channel trench analyzed by using PIV and turbulence model

T. Kanda, I. Fujita, H. Miyamoto, J. Ikegami

Research output: Contribution to conference › Paper › peer-review

Abstract

Turbulent flows in two types of open channel trench are experimentally and numerically investigated. The flows are analyzed by using a particle image velocimetry (PIV) and a modified three-dimensional k-ε model. Considered here are a flow in a full-width trench and that in a half-width trench. Spatial and temporal characteristics of velocity vectors in the trench section are successfully described by applying the PIV. Mean velocity and Reynolds stress distributions are obtained by using the PIV and the k-ε model, and their characteristics are discussed with respect to the different trenches. The two methods are verified through the comparison of their analyzed values.

Original language	English
Pages	143-148
Number of pages	6
Publication status	Published - 1997 Jan 1
Externally published	Yes
Event	Proceedings of the 1997 27th Congress of the International Association of Hydraulic Research, IAHR. Part D - San Francisco, CA, USA Duration: 1997 Aug 10 → 1997 Aug 15

Other

Other	Proceedings of the 1997 27th Congress of the International Association of Hydraulic Research, IAHR. Part D
City	San Francisco, CA, USA
Period	97/8/10 → 97/8/15

ASJC Scopus subject areas

Engineering(all)

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Turbulent behaviors in open channel trench analyzed by using PIV and turbulence model. / Kanda, T.; Fujita, I.; Miyamoto, H.; Ikegami, J.

1997. 143-148 Paper presented at Proceedings of the 1997 27th Congress of the International Association of Hydraulic Research, IAHR. Part D, San Francisco, CA, USA, .

Research output: Contribution to conference › Paper › peer-review

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AU - Kanda, T.

AU - Fujita, I.

AU - Miyamoto, H.

AU - Ikegami, J.

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Y1 - 1997/1/1

N2 - Turbulent flows in two types of open channel trench are experimentally and numerically investigated. The flows are analyzed by using a particle image velocimetry (PIV) and a modified three-dimensional k-ε model. Considered here are a flow in a full-width trench and that in a half-width trench. Spatial and temporal characteristics of velocity vectors in the trench section are successfully described by applying the PIV. Mean velocity and Reynolds stress distributions are obtained by using the PIV and the k-ε model, and their characteristics are discussed with respect to the different trenches. The two methods are verified through the comparison of their analyzed values.

AB - Turbulent flows in two types of open channel trench are experimentally and numerically investigated. The flows are analyzed by using a particle image velocimetry (PIV) and a modified three-dimensional k-ε model. Considered here are a flow in a full-width trench and that in a half-width trench. Spatial and temporal characteristics of velocity vectors in the trench section are successfully described by applying the PIV. Mean velocity and Reynolds stress distributions are obtained by using the PIV and the k-ε model, and their characteristics are discussed with respect to the different trenches. The two methods are verified through the comparison of their analyzed values.

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T2 - Proceedings of the 1997 27th Congress of the International Association of Hydraulic Research, IAHR. Part D

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