Anomalous behavior of cavitation bubbles observed in pulsed laser ablation of Ni in liquid CO2 near the critical point

Shohei Himeno; Toru Kato; Keiichiro Urabe; Sven Stauss; Satoshi Kato; Hitoshi Muneoka; Motoyoshi Baba; Tohru Suemoto; Kazuo Terashima

doi:10.1109/TPS.2014.2327233

Anomalous behavior of cavitation bubbles observed in pulsed laser ablation of Ni in liquid CO₂ near the critical point

Shohei Himeno, Toru Kato, Keiichiro Urabe, Sven Stauss, Satoshi Kato, Hitoshi Muneoka, Motoyoshi Baba, Tohru Suemoto, Kazuo Terashima

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

4 Citations (Scopus)

Abstract

Pulsed laser ablation of Ni targets in liquid CO₂ near the critical point (C.P.) (P _crit= 7.38 MPa, T_crit (=304.1 K) was performed and the time evolution of the plasma and the ensuing cavitation bubble analyzed by shadowgraph imaging. Formation of double-layered anomalous cavitation bubbles was observed inside the liquid phase close to the C.P. The size and propagation speed of the cavitation bubbles were measured and it was found that in the experimental range investigated (P = 7.20-7.40 MPa, T =301-303 K), the size of the cavitation bubble increased by a factor of up to three for increasing pressure and temperature, whereas the propagation speed decreased.

Original language	English
Article number	6855369
Pages (from-to)	2630-2631
Number of pages	2
Journal	IEEE Transactions on Plasma Science
Volume	42
Issue number	10
DOIs	https://doi.org/10.1109/TPS.2014.2327233
Publication status	Published - 2014 Oct 1
Externally published	Yes

Keywords

Cavitation bubble
critical point
laser ablation.

ASJC Scopus subject areas

Nuclear and High Energy Physics
Condensed Matter Physics

Access to Document

10.1109/TPS.2014.2327233

Cite this

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title = "Anomalous behavior of cavitation bubbles observed in pulsed laser ablation of Ni in liquid CO2 near the critical point",

abstract = "Pulsed laser ablation of Ni targets in liquid CO2 near the critical point (C.P.) (P crit= 7.38 MPa, Tcrit (=304.1 K) was performed and the time evolution of the plasma and the ensuing cavitation bubble analyzed by shadowgraph imaging. Formation of double-layered anomalous cavitation bubbles was observed inside the liquid phase close to the C.P. The size and propagation speed of the cavitation bubbles were measured and it was found that in the experimental range investigated (P = 7.20-7.40 MPa, T =301-303 K), the size of the cavitation bubble increased by a factor of up to three for increasing pressure and temperature, whereas the propagation speed decreased.",

keywords = "Cavitation bubble, critical point, laser ablation.",

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T1 - Anomalous behavior of cavitation bubbles observed in pulsed laser ablation of Ni in liquid CO2 near the critical point

AU - Himeno, Shohei

AU - Kato, Toru

AU - Urabe, Keiichiro

AU - Stauss, Sven

AU - Kato, Satoshi

AU - Muneoka, Hitoshi

AU - Baba, Motoyoshi

AU - Suemoto, Tohru

AU - Terashima, Kazuo

PY - 2014/10/1

Y1 - 2014/10/1

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AB - Pulsed laser ablation of Ni targets in liquid CO2 near the critical point (C.P.) (P crit= 7.38 MPa, Tcrit (=304.1 K) was performed and the time evolution of the plasma and the ensuing cavitation bubble analyzed by shadowgraph imaging. Formation of double-layered anomalous cavitation bubbles was observed inside the liquid phase close to the C.P. The size and propagation speed of the cavitation bubbles were measured and it was found that in the experimental range investigated (P = 7.20-7.40 MPa, T =301-303 K), the size of the cavitation bubble increased by a factor of up to three for increasing pressure and temperature, whereas the propagation speed decreased.

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KW - critical point

KW - laser ablation.

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