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Revealing the origins of vortex cavitation in a Venturi tube by high speed X-ray imaging

Soyama, Hitoshi (author)
Tohoku University
Liang, Xiaoyu (author)
Tohoku University
Yashiro, Wataru (author)
University of Tokyo,Tohoku University
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Kajiwara, Kentaro (author)
Japan Synchrotron Radiation Research Institute
Asimakopoulou, Eleni Myrto (author)
Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,LTH profilområde: Nanovetenskap och halvledarteknologi,LTH profilområden,LTH profilområde: Avancerade ljuskällor,LU profilområde: Ljus och material,Lunds universitets profilområden,Other operations, LTH,Faculty of Engineering, LTH,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,LTH Profile Area: Nanoscience and Semiconductor Technology,LTH Profile areas,Faculty of Engineering, LTH,LTH Profile Area: Photon Science and Technology,Faculty of Engineering, LTH,LU Profile Area: Light and Materials,Lund University Profile areas
Bellucci, Valerio (author)
European XFEL GmbH
Birnsteinova, Sarlota (author)
European XFEL GmbH
Giovanetti, Gabriele (author)
European XFEL GmbH
Kim, Chan (author)
European XFEL GmbH
Kirkwood, Henry J. (author)
European XFEL GmbH
Koliyadu, Jayanath C.P. (author)
European XFEL GmbH
Letrun, Romain (author)
European XFEL GmbH
Zhang, Yuhe (author)
Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,LTH profilområde: Nanovetenskap och halvledarteknologi,LTH profilområden,LU profilområde: Ljus och material,Lunds universitets profilområden,Other operations, LTH,Faculty of Engineering, LTH,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,LTH Profile Area: Nanoscience and Semiconductor Technology,LTH Profile areas,Faculty of Engineering, LTH,LU Profile Area: Light and Materials,Lund University Profile areas
Uličný, Jozef (author)
Pavol Jozef Safarik University in Kosice
Bean, Richard (author)
European XFEL GmbH
Mancuso, Adrian P. (author)
La Trobe University,Diamond Light Source
Villanueva-Perez, Pablo (author)
Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,LTH profilområde: Nanovetenskap och halvledarteknologi,LTH profilområden,LTH profilområde: Avancerade ljuskällor,LU profilområde: Ljus och material,Lunds universitets profilområden,Other operations, LTH,Faculty of Engineering, LTH,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,LTH Profile Area: Nanoscience and Semiconductor Technology,LTH Profile areas,Faculty of Engineering, LTH,LTH Profile Area: Photon Science and Technology,Faculty of Engineering, LTH,LU Profile Area: Light and Materials,Lund University Profile areas
Sato, Tokushi (author)
European XFEL GmbH
Vagovič, Patrik (author)
German Electron Synchrotron (DESY),European XFEL GmbH
Eakins, Daniel (author)
University of Oxford
Korsunsky, Alexander M. (author)
University of Oxford
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 (creator_code:org_t)
2023
2023
English.
In: Ultrasonics Sonochemistry. - 1350-4177. ; 101
Related links:
http://dx.doi.org/10... (free)
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https://lup.lub.lu.s...
https://doi.org/10.1...
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Hydrodynamic cavitation is useful in many processing applications, for example, in chemical reactors, water treatment and biochemical engineering. An important type of hydrodynamic cavitation that occurs in a Venturi tube is vortex cavitation known to cause luminescence whose intensity is closely related to the size and number of cavitation events. However, the mechanistic origins of bubbles constituting vortex cavitation remains unclear, although it has been concluded that the pressure fields generated by the cavitation collapse strongly depends on the bubble geometry. The common view is that vortex cavitation consists of numerous small spherical bubbles. In the present paper, aspects of vortex cavitation arising in a Venturi tube were visualized using high-speed X-ray imaging at SPring-8 and European XFEL. It was discovered that vortex cavitation in a Venturi tube consisted of angulated rather than spherical bubbles. The tangential velocity of the surface of vortex cavitation was assessed considering the Rankine vortex model.

Subject headings

TEKNIK OCH TEKNOLOGIER  -- Maskinteknik -- Strömningsmekanik och akustik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Mechanical Engineering -- Fluid Mechanics and Acoustics (hsv//eng)

Keyword

Bubble
Hydrodynamic cavitation
Vortex
X-ray imaging

Publication and Content Type

art (subject category)
ref (subject category)

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