109. Displacement of an Electrically Charged Drop on a Vibrating Bath
M. Brandenbourger, N. Vandewalle, and S. Dorbolo
Physical Review Letters 116 (2016) 044501
Result: Manipulation of a charged droplet on a vibrated bath. The motion has been found to be an accelerated step followed by a stop step. The interaction with the bath must be taken into account.
Story: A difficult experiments and finally a though discussion but a great result. N’est-ce pas, le vigneron?
110. Study of the potential for the use of controlled droplet application (CDA) upon cereal crops
S.O.T. Salah, N. De Cock, M. Massinon, B. Schiffers, S. Dorbolo, and F. Lebeau
BASE 20 (2016) 287-298.
Result: State of the Art.
Story: First paper with Gembloux-ULg
111. Rotation of melting ice disks due to melt fluid flow
S. Dorbolo, N. Adami, C. Dubois, H. Caps, N. Vandewalle, and B. Darbois-Texier
Physical Review E 93 (2016) 033112.
Result: The result is in the title
Story: How far are we from the initial problem! How fun we got out of this! How many ice disks were sacrified?
112. Wicking through a confined microvillar array
B. Darbois-Texier, P. Laurent, S. Stoukatch, and S. Dorbolo
Microfluidics and Nanofluidics 20 (2016) 53.
Result: When a liquid invades a thin plane, the front may propagate faster whether you add some pillar in it.
Story: Baptiste has always something new to show, to discuss or to drink.
113. Blowing a liquid curtain
H. Lhuissier, P. Brunet, and S. Dorbolo
Journal of Fluid Mechanics 795 (2016) 784-807.
Result: The local thinning induced by an air flow on a falling oil film generates a hole below. The distance is related to the air flow and on the oil flow.
Story: I learnt a lot with this work. To never abandon and to change explore the new ideas (thanks Philippe). I discover Henri’s ability to solve problems and to pull people out of the bottleneck. I will never forget when we have first met. It was in the stairs of the mezzanine at MSC. Henri asked me: «are you the new stagiaire?» I felt suddenly so young.
114. Leidenfrost drops on a heated liquid pool
L. Maquet, B. Sobac, B. Darbois-Texier, A. Duchesne, M. Brandenbourger, A. Rednikov, P. Colinet, and S. Dorbolo
Physical Review Fluids 1 (2016) 053902.
Result: The Leidenfrost threshold is the boiling temperature of the liquid the droplet is made of!
Story: Great work by Laurent. We should add «Le Beau Vivier» in the acknowledgement section for the next paper.
115. Spontaneous rotation of an ice disk while melting on a solid plate
S. Dorbolo, N. Vandewalle, and B. Darbois-Texier
Physics of Fluids 28 (2016) 123601.
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Result: The results is in the title
Story: How far are we from the initial problem! How fun we got out of this! How many ice disks were sacrified? Okay, it looks like the other one... But it was so different! The physics is completely different.
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116. Self-propelled Leidenfrost drops on a thermal gradient:A theoretical study.
B. Sobac, A. Rednikov, S. Dorbolo, and P. Colinet
Physics of Fluids 29 (2017) 082101.
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Result: A gradient of tempertare changes the geometry of the vapor film and consequently the viscous entrainment. A motion results...
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117. Electrically Charged Droplets in Microgravity: Impact and Trajectories
M. Brandenbourger, H. Caps, Y. Vitry, and S. Dorbolo
Microgravity Science and Technology 29 (2017) 229–239.
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Results: In microgravity, the charged droplets behave like point charges. The coalescence-bouncing phase diagramme as a function of the impact parameter and the Weber number must be modified because of the charge.
Story: Parabolic flights are always challenging from the idea, the design of the experiment and ... the measurements. It was also a wonderful human adventure. In my head, I was Chuck Yeager. Bordeaux, friends all were perfect.
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118. Experimental investigation of a round jet impacting a disk engraved with radial grooves
S. OuledTalebSalah, A. Duchesne, N. DeCock, M. Massinon,
K. Sassi, K. Abrougui, F. Lebeau, and S. Dorbolo
European Journal of Mechanics. B 72 (2018) 302-310.
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Results: Taylor did everything. Really? Here, grooves were properly designed along the perimeter of a disk that is impacted by a jet. Droplets result. They are pretty monodispersed.
Story: Part of Sofiene thesis. This guy is impressive: adaptation, tenacity, open-minded...
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119. Water drops bouncing off vertically vibrating textured surfaces
W. Wang, C. Ji, F. Lin, J. Zou, and S. Dorbolo
Journal of Fluid Mechanics 876 (2019) 1041-1051.
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Results: What is the condition of take-off of a droplet on a superhydrophobic plate. Precise experiments.
Story: Collaboration (fruitful and motivating) with Jun Zou group frome Zheijian University. My stay there was really a discovery. Wei Wang came in Liège for 6 months. Impressive efficiency.
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120. Controlling the lifetime of antibubbles
Y. Vitry, S. Dorbolo, and B. Scheid
Advances in Colloid and Interface Science 270 (2019) 73-86.
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Results: The lifetime of the antibubble was mysterious. This paper includes all the different contributions: surfactant nature, air content, dust, size,... The big 10 laws of antibubbles.
Story: Everything was possible thanks to the invention of Youn of the antibubble generator that allows the reproductibility necessary to study antibubbles.
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121. Explosive Leidenfrost droplets
F. Moreau, P. Colinet, S. Dorbolo
Physical Review Fluids 4 (2019) 013602.
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Result: A droplet made of SDS and water is set in Leidenfrost levitation. Because of the vaporization, the concentration of SDS increases. The SDS concentrates at the surface of the droplet forming an elastic shell until.... BANG
Story: It was a difficult problem: Received 1 July 2013; published 9 January 2019
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122. Wave Turbulence on the Surface of a Fluid in a High-Gravity Environment
A. Cazaubiel, S. Mawet, A. Darras, J. vanLoon, S. Dorbolo, and E. Falcon
Physical Review Letters 123 (2019) 244501.
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Result: In high gravity, the critical frequency that separates the capillary and the gravity regimes is shifted towards higher values. Moreover, one showed that the size of the recipient matters (even the ocean is finite)
Story: "Eric, f_c depends on g, one should go to LDC; Jack, are you okay?" Jack is always ready to test new experiments. I like this mentality. The measurement campaign was really fun. The camping in Noordwijk is great and Alexis taught us how to cook pasta with wine.
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123. Toy geyser experiment: periodicity, operating conditions and coupling
M. Brandenbourger, S. Dorbolo, and B. Darbois-Texier
European Journal of Physics 40 (2019) 025803.
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Result: How to do a geyser at home and how to do physics to explain it? Both experiments, simulation.
Story: Take Martin, take Baptiste... only good stuffs result. And Source-o-Rama in Chaudfontaine has a Geyser!
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124. Self-induced flows enhance the levitation of Leidenfrost drops on liquid baths
B. Sobac, L. Maquet, A. Duchesne, H. Machrafi, A. Rednikov, P.C. Dauby, P. Colinet, and S.Dorbolo
Physical Review Fluids 5 (2020) 062701.
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Result: The mystery of the heat transfert from the liquid to the droplet is solved. Motion in the bath is mandatory. However, the sense of circulation is a balance between THREE processes: buoyancy, marangoni and entrainment.
Story: Hard work between experimentalists and numerists. Du grand Art!
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125. Sparks as radioemitters
J. Villain and S. Dorbolo
Comptes rendus de l'Académie des Sciences 21 (2020) 221-232.
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Result: How ELM waves can be generated out of Rumkorff coils? The history was revisited.
Story: Jacques Villain asked me some helps. The three academiciens that I know deeply impressed me: Yves Couder, Bernard Castaing and Jacques Villain. The simplicity at the service of the knowledge.
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