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Laser-induced, sing...
Laser-induced, single droplet fragmentation dynamics revealed through megahertz x-ray microscopy
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- Reuter, Fabian (författare)
- Otto von Guericke University Magdeburg,European XFEL GmbH
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- Sato, Tokushi (författare)
- Otto von Guericke University Magdeburg
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- Bellucci, Valerio (författare)
- Otto von Guericke University Magdeburg
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- Birnsteinova, Sarlota (författare)
- Otto von Guericke University Magdeburg
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- Deiter, Carsten (författare)
- Otto von Guericke University Magdeburg
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- Koliyadu, Jayanath C.P. (författare)
- Otto von Guericke University Magdeburg
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- Letrun, Romain (författare)
- Otto von Guericke University Magdeburg
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- Villanueva-Perez, Pablo (författare)
- 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
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- Bean, Richard (författare)
- Otto von Guericke University Magdeburg
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- Mancuso, Adrian P. (författare)
- Diamond Light Source,Otto von Guericke University Magdeburg,La Trobe University
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- Meents, Alke (författare)
- German Electron Synchrotron (DESY)
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- Vagovic, Patrik (författare)
- Otto von Guericke University Magdeburg,German Electron Synchrotron (DESY)
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- Ohl, Claus Dieter (författare)
- Otto von Guericke University Magdeburg
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(creator_code:org_t)
- 2023
- 2023
- Engelska.
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Ingår i: Physics of Fluids. - 1070-6631. ; 35:11
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The fragmentation dynamics of single water droplets from laser irradiation is studied with megahertz frame rate x-ray microscopy. Owed to the nearly refraction-free and penetrating imaging technique, we could look into the interior of the droplet and reveal that two mechanisms are responsible for the initial explosive fragmentation of the droplet. First, reflection and diffraction of the laser beam at the droplet interface result in the formation of laser ray caustics that lead to non-homogeneous heating of the droplet, locally above the critical temperature. Second, homogeneous cavitation in the droplet that is likely caused from shockwaves reflected as tension waves at the acoustic soft boundaries of the droplet. Further atomization occurs in three stages, first a fine sub-micrometer sized mist forms on the side of the droplet posterior to laser incidence, then micrometer sized droplets are expelled from the rim of an expanding liquid sheet, and finally into droplets of larger size through hole and ligament formation in the thinning liquid sheet where ligaments pinch off.
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
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Reuter, Fabian
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Sato, Tokushi
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Bellucci, Valeri ...
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Birnsteinova, Sa ...
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Deiter, Carsten
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Koliyadu, Jayana ...
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visa fler...
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Letrun, Romain
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Villanueva-Perez ...
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Bean, Richard
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Mancuso, Adrian ...
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Meents, Alke
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Vagovic, Patrik
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Ohl, Claus Diete ...
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