Supersonic flow behavior under strong Lorentz force (Effects of area ratio and pressure loss)

Kazumi Tsunoda; Yoshinori Saito; Hiroyuki Yamasaki; Nobuhiro Harada; Kunio Yoshikawa; Shigeharu Kabashima; Susumu Shioda

doi:10.1299/jsmeb.37.752

Supersonic flow behavior under strong Lorentz force (Effects of area ratio and pressure loss)

Kazumi Tsunoda, Yoshinori Saito, Hiroyuki Yamasaki, Nobuhiro Harada, Kunio Yoshikawa, Shigeharu Kabashima, Susumu Shioda

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

The effects of area ratio on electrical and fluid-dynamical properties in a disk magnetohydrodynamic (MHD) generator have been experimentally investigated. The experimental results have shown that for a generator with a large area ratio, the wall static pressure is kept lower than that of a small-area-ratio generator. It is observed that high values of the Hall electric field are obtained at the downstream part of a channel with large area ratio. The stagnation pressure at the exit of the disk MHD channel was measured and compared with the results of one-dimensional calculations. It was found that in pressure loss processes a strong Lorentz force becomes quite significant relative to wall friction which plays a major part in the pressure loss mechanism in the absence of MHD interaction.

Original language	English
Pages (from-to)	752-759
Number of pages	8
Journal	JSME International Journal, Series B: Fluids and Thermal Engineering
Volume	37
Issue number	4
DOIs	https://doi.org/10.1299/jsmeb.37.752
Publication status	Published - 1994

ASJC Scopus subject areas

Mechanical Engineering
Physical and Theoretical Chemistry
Fluid Flow and Transfer Processes

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10.1299/jsmeb.37.752

Cite this

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abstract = "The effects of area ratio on electrical and fluid-dynamical properties in a disk magnetohydrodynamic (MHD) generator have been experimentally investigated. The experimental results have shown that for a generator with a large area ratio, the wall static pressure is kept lower than that of a small-area-ratio generator. It is observed that high values of the Hall electric field are obtained at the downstream part of a channel with large area ratio. The stagnation pressure at the exit of the disk MHD channel was measured and compared with the results of one-dimensional calculations. It was found that in pressure loss processes a strong Lorentz force becomes quite significant relative to wall friction which plays a major part in the pressure loss mechanism in the absence of MHD interaction.",

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T1 - Supersonic flow behavior under strong Lorentz force (Effects of area ratio and pressure loss)

AU - Tsunoda, Kazumi

AU - Saito, Yoshinori

AU - Yamasaki, Hiroyuki

AU - Harada, Nobuhiro

AU - Yoshikawa, Kunio

AU - Kabashima, Shigeharu

AU - Shioda, Susumu

PY - 1994

Y1 - 1994

N2 - The effects of area ratio on electrical and fluid-dynamical properties in a disk magnetohydrodynamic (MHD) generator have been experimentally investigated. The experimental results have shown that for a generator with a large area ratio, the wall static pressure is kept lower than that of a small-area-ratio generator. It is observed that high values of the Hall electric field are obtained at the downstream part of a channel with large area ratio. The stagnation pressure at the exit of the disk MHD channel was measured and compared with the results of one-dimensional calculations. It was found that in pressure loss processes a strong Lorentz force becomes quite significant relative to wall friction which plays a major part in the pressure loss mechanism in the absence of MHD interaction.

AB - The effects of area ratio on electrical and fluid-dynamical properties in a disk magnetohydrodynamic (MHD) generator have been experimentally investigated. The experimental results have shown that for a generator with a large area ratio, the wall static pressure is kept lower than that of a small-area-ratio generator. It is observed that high values of the Hall electric field are obtained at the downstream part of a channel with large area ratio. The stagnation pressure at the exit of the disk MHD channel was measured and compared with the results of one-dimensional calculations. It was found that in pressure loss processes a strong Lorentz force becomes quite significant relative to wall friction which plays a major part in the pressure loss mechanism in the absence of MHD interaction.

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Supersonic flow behavior under strong Lorentz force (Effects of area ratio and pressure loss)

Abstract

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