Characteristics of free-surface wave on high-speed liquid lithium jet for IFMIF

Kanemura, Takuji; Yoshihashi-Suzuki, Sachiko; Kondo, Hiroo; Sugiura, Hirokazu; Yamaoka, Nobuo; Ida, Masato; Nakamura, Hiroo; Matsushita, Izuru; Muroga, T.; Horiike, Hiroshi

doi:10.1016/j.jnucmat.2010.12.275

Cited by 8 publications

(8 citation statements)

References 5 publications

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“…In Fig. 6b, P(H 15 ) agrees with the Rayleigh distribution, meaning very random characteristics [3]. As a conclusion, surface waves of this condition have very random characteristics in wave height distribution.…”

Section: Statistical Characteristics Of Wave Heightsupporting

confidence: 61%

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Surface wave growth characteristics of the high speed liquid Li flow

Sugiura

Yoshihashi-Suzuki

Hoashi

et al. 2011

Fusion Engineering and Design

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Section: Statistical Characteristics Of Wave Heightsupporting

confidence: 61%

“…In the experiments, an electro-contact probe was developed to study waves on Li freesurface flow. Surface waves at 15 and 175 mm downstream from the nozzle edge were measured [3,4].…”

Section: Introductionmentioning

confidence: 99%

Surface wave growth characteristics of the high speed liquid Li flow

Sugiura

Yoshihashi-Suzuki

Hoashi

et al. 2011

Fusion Engineering and Design

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“…However high-frequency small waves of more than 1000 Hz dominate the surface waves at 15 m/s as shown here. This result is consistent with our previous result [2,6], that dominant wavelength was approximately 4 mm and the dominant wave amplitude was approximately 0.4 mm even at the velocity of 15 m/s. At the velocities of 7 and 9 m/s, the peaks of the frequency distributions are broader and shifted to longer wave period regions.…”

Section: Contact Frequencysupporting

confidence: 94%

“…As our previous study [6] showed, surface waves are composed of the various scale components, and this leads to the low contact frequency. Fig.…”

Section: Contact Frequencymentioning

confidence: 83%

Wave period of free-surface waves on high-speed liquid lithium jet for IFMIF target

Kanemura

Sugiura

Yamaoka

et al. 2011

Fusion Engineering and Design

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“…A contact-type liquid level sensor (a contact probe) detects contact signals between the probe and the Li surface, and the detected signals can be used to analyze the free-surface fluctuation characteristics statistically [9][10][11][12]. The obtained characteristics are the wave period, wavelength, and wave height (amplitude) of the free-surface fluctuations.…”

Section: Contact-type Diagnostic Toolsmentioning

confidence: 99%

Free-Surface Characteristics of a Liquid Li Wall Jet

Kanemura

Kondo

Sugiura

et al. 2016

Plasma and Fusion Research

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In this study, the free-surface characteristics of a liquid Li wall jet for the Li target of the International Fusion Materials Irradiation Facility (IFMIF) are comprehensively reviewed. In developing the IFMIF Li target, a scientific understanding of the free-surface wave characteristics and the development of diagnostic tools to measure these characteristics were critical issues. The same issues must be faced in other liquid metal applications in fusion engineering, such as liquid first walls or liquid diverters. Thus far, diagnostic tools and methods to measure all of the characteristics of waves (i.e., wavelength, wave period, wave speed (free-surface speed), wave height (amplitude)), and average jet thickness have been developed, and the probability distributions applicable to these wave parameters, as well as their statistical characteristic values, have been determined, validating the stability of the IFMIF Li target. Our findings, both the wave characteristics and the diagnostic tools, can be applied to not only the IFMIF Li target but also innovative liquid metal diverters or first walls in fusion engineering. Issues pertaining to liquid-metal freesurface flow applicationsIn general, liquid metals are used at high temperatures. Corrosion and erosion damage of structural materials must be reduced to ensure long-term system integrity. In particular, when using liquid Li, a popular metal in fusion en-

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Characteristics of free-surface wave on high-speed liquid lithium jet for IFMIF

Cited by 8 publications

References 5 publications

Surface wave growth characteristics of the high speed liquid Li flow

Surface wave growth characteristics of the high speed liquid Li flow

Wave period of free-surface waves on high-speed liquid lithium jet for IFMIF target

Free-Surface Characteristics of a Liquid Li Wall Jet

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