Experimental investigation of lorentz-force controlled flat-plate boundary layer with laser-doppler velocity-profile sensor and particle image velocimetry

Katsuaki Shirai; Andreas Voigt; Mathias Neumann; Lars Büttner; Jürgen Czarske; Christian Cierpka; Tom Weier; Gunter Gerbeth

Experimental investigation of lorentz-force controlled flat-plate boundary layer with laser-doppler velocity-profile sensor and particle image velocimetry

Katsuaki Shirai, Andreas Voigt, Mathias Neumann, Lars Büttner, Jürgen Czarske, Christian Cierpka, Tom Weier, Gunter Gerbeth

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

Abstract

A study was made on electrically conducting flow over a flat plate boundary layer controlled with streamwise stationary Lorentz forces. Two different velocity measurement methods were used for the experimental investigation: laser Doppler velocity profile sensor and time resolved particle image velocimetry. The flow measurements were mainly focused on the near-wall behaviors of the flow with different magnitudes of the Lorentz forces. Velocity distributions and local acceleration were evaluated from the experiments. The experimental results revealed that the near-wall fluid is accelerated due to the streamwise Lorentz force and the turbulence fluctuation is suppressed by the increase of the Lorentz force applied. The limitations of the experiments and the future perspectives on the investigation are addressed.

Original language	English
Pages	755-760
Number of pages	6
Publication status	Published - 2009 Jan 1
Externally published	Yes
Event	6th International Symposium on Turbulence and Shear Flow Phenomena, TSFP 2009 - Seoul, Korea, Republic of Duration: 2009 Jun 22 → 2009 Jun 24

Other

Other	6th International Symposium on Turbulence and Shear Flow Phenomena, TSFP 2009
Country	Korea, Republic of
City	Seoul
Period	09/6/22 → 09/6/24

ASJC Scopus subject areas

Fluid Flow and Transfer Processes

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Shirai, K., Voigt, A., Neumann, M., Büttner, L., Czarske, J., Cierpka, C., Weier, T., & Gerbeth, G. (2009). Experimental investigation of lorentz-force controlled flat-plate boundary layer with laser-doppler velocity-profile sensor and particle image velocimetry. 755-760. Paper presented at 6th International Symposium on Turbulence and Shear Flow Phenomena, TSFP 2009, Seoul, Korea, Republic of.

Experimental investigation of lorentz-force controlled flat-plate boundary layer with laser-doppler velocity-profile sensor and particle image velocimetry. / Shirai, Katsuaki; Voigt, Andreas; Neumann, Mathias; Büttner, Lars; Czarske, Jürgen; Cierpka, Christian; Weier, Tom; Gerbeth, Gunter.

2009. 755-760 Paper presented at 6th International Symposium on Turbulence and Shear Flow Phenomena, TSFP 2009, Seoul, Korea, Republic of.

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

Shirai, K, Voigt, A, Neumann, M, Büttner, L, Czarske, J, Cierpka, C, Weier, T & Gerbeth, G 2009, 'Experimental investigation of lorentz-force controlled flat-plate boundary layer with laser-doppler velocity-profile sensor and particle image velocimetry', Paper presented at 6th International Symposium on Turbulence and Shear Flow Phenomena, TSFP 2009, Seoul, Korea, Republic of, 09/6/22 - 09/6/24 pp. 755-760.

Shirai, Katsuaki ; Voigt, Andreas ; Neumann, Mathias ; Büttner, Lars ; Czarske, Jürgen ; Cierpka, Christian ; Weier, Tom ; Gerbeth, Gunter. / Experimental investigation of lorentz-force controlled flat-plate boundary layer with laser-doppler velocity-profile sensor and particle image velocimetry. Paper presented at 6th International Symposium on Turbulence and Shear Flow Phenomena, TSFP 2009, Seoul, Korea, Republic of.6 p.

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abstract = "A study was made on electrically conducting flow over a flat plate boundary layer controlled with streamwise stationary Lorentz forces. Two different velocity measurement methods were used for the experimental investigation: laser Doppler velocity profile sensor and time resolved particle image velocimetry. The flow measurements were mainly focused on the near-wall behaviors of the flow with different magnitudes of the Lorentz forces. Velocity distributions and local acceleration were evaluated from the experiments. The experimental results revealed that the near-wall fluid is accelerated due to the streamwise Lorentz force and the turbulence fluctuation is suppressed by the increase of the Lorentz force applied. The limitations of the experiments and the future perspectives on the investigation are addressed.",

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AU - Shirai, Katsuaki

AU - Voigt, Andreas

AU - Neumann, Mathias

AU - Büttner, Lars

AU - Czarske, Jürgen

AU - Cierpka, Christian

AU - Weier, Tom

AU - Gerbeth, Gunter

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