LeidenForce

Inertial exit dynamics of a horizontal cylinder out of a liquid bath | Journal of Fluid Mechanics | Cambridge Core Inertial exit dynamics of a horizontal cylinder out of a liquid bath - Volume 1029

www.cambridge.org/core/journal...

LAB CHRONICLE #35
- Naming Files -

data_final_v3.csv
data_final_v3_real.csv
data_final_v3_REALLY_FINAL.csv

#FileNamingNightmare #FinalVersionOrNot #FilesOnFiles #ExperimentManagement #NeverFinal

Lagrangian geometry of flows Fluid flows are usually described from a fixed point in space, while Lagrangian methods that follow the fluid often rely on particle trajectories embedded in a prescribed geometry. We develop a geomet...

A new study shows how “riding along” with a fluid changes the view: the flow can seem still, #waves appear, and even fluid between two sliding plates (Couette flow) stays stable.
Insights for understanding #turbulence!
🔗 journals.aps.org/prfluids/abs...
#FluidDynamics #LagrangianView #FlowStability

Granular collapse on particle-laden water Experiments show that the presence of a buoyant particle layer on a liquid bath markedly changes the characteristics of an impulse wave generated by the subaerial collapse of a granular column. Relati...

When a thin interfacial layer reconfigures macroscopic flow.

🔗 journals.aps.org/prfluids/abs...

#InterfacialPhysics #Hydrodynamics #NonlinearDynamics #Multiphase

YouTube video by ESPCI Paris - PSL 4.2 Capillarity and viscosity - Capillarity and viscosity

Capillarity and viscosity: how liquids move

Understand the relationship between #capillarity and #viscosity and their role in droplet dynamics with this video from the "Dynamics of fluid interfaces" MOOC by @espciparispsl.bsky.social

🎥 www.youtube.com/watch?v=Mq1E...

#FluidPhysics #FluidDynamics

Breakdown of Kolmogorov scaling and modified energy transfer in bubble-laden turbulence How a dispersed bubble phase reshapes turbulence remains a long-standing question, especially at moderate void fractions where coupling spans many scales. Using high-resolution lattice-Boltzmann simul...

Bubble-laden #turbulence challenges #Kolmogorov scaling: high-res simulations show gas phase deviates while liquid phase mostly follows classical turbulence. #EnergyTransfer is altered at small scales by interfacial dynamics

🔗 journals.aps.org/prfluids/abs...

#MultiphaseFlow #BubbleDynamics

Dozens of researchers will move to France from US following high-profile bid to lure talent Large proportion worked at Columbia University, which had its grants cut and frozen by the administration of US President Donald Trump.

France is attracting top US researchers by promising greater academic freedom after grant issues in the US.

🔗 www.nature.com/articles/d41...

#AcademicFreedom #ResearchMobility #BrainDrain #SciencePolicy #France

What can I do if my idea has been plagiarized? An early-career scientist’s idea, shared at a poster session, has been published by someone else. What happens now?

What to do if your idea is plagiarized? Nature advises careful documentation, open communication with publishers, and seeking institutional support.

🔗 www.nature.com/articles/d41...

#Plagiarism #ResearchIntegrity #ScienceEthics #EarlyCareerResearcher #AcademicAdvice

Celebrating the women shaping the future of science and scholarly publishing To mark the United Nations' International Day of Women and Girls in Science, the Institute of Physics and IOP Publishing celebrate women who are advancing scientific discovery and help to build a rese...

From labs to journals, women are driving science forward, linking diversity to stronger research cultures.

🔗 phys.org/news/2026-02...

#WomenInSTEM #GenderEquity #SciencePublishing #InclusiveScience #WomenInScience

Surfaces designed to hide their heat signature often stop working once they get dirty.
This study creates a microstructured coating that maintains its #infrared properties because impacting water droplets actively remove contaminants.

www.nature.com/articles/s41...

#MaterialsScience #SelfCleaning

Science funding needs fixing — but not through chaotic reforms The changes announced by a major UK science funder are putting scientists — and the future of research — in a difficult position.

Reforms of #ScienceFunding in the UK aim to “do fewer things better”.

Clearer priorities could strengthen impact, but uncertain timelines and budget shifts may slow #research momentum, especially for early-career scientists.

🔗 www.nature.com/articles/d41...

#ResearchPolicy #UK #EarlyCareer

Mars' 'young' volcanoes prove more complex than scientists once thought What appears to be a single volcanic eruption is often the result of complex processes operating deep beneath the surface, where magma moves, evolves, and changes over long periods of time. To fully u...

Mars’ young volcanoes show multi-phase magma flows, revealing complex #FluidDynamics beneath Pavonis Mons.
Studying these planetary flows can inform models of heat and phase transfer in extreme environments.

🔗 phys.org/news/2026-02...

#PlanetaryScience #Volcanology #HeatTransfer #MarsResearch

LAB CHRONICLE #34
- Focus Drift -

Perfect image.
30 minutes later: blurry.
Data = modern art.

#FocusLost #BlurredScience #DataOrArt #ArtOfFailure #ModernArtData

Rocket science? 3D printing soft matter in zero gravity What happens to soft matter when gravity disappears? To answer this, UvA physicists launched a fluid dynamics experiment on a sounding rocket. The suborbital rocket reached an altitude of 267 km befor...

UvA physicists 3D-printed #SoftMatter in zero gravity aboard MAPHEUS-16. COLORS experiment revealed how internal stresses form in droplets—key for stronger 3D-printed materials and #bioprinting, both in space and on Earth.

phys.org/news/2026-02...

#3DPrinting #Microgravity #FluidDynamics

Effects of surface wettability on bubble dynamics and induced liquid flow: Finite-difference analysis of two-phase particle image velocimetry Bubble dynamics is critical for mass, momentum, and heat transport in two-phase flows. We investigated the effects of surface wettability on bubble formation, departure, and the surrounding liquid flo...

A key takeaway for LeidenForce: surface #wettability radically reshapes the surface–bubble–flow coupling—smaller bubbles, higher detachment frequency, stronger vortical flows.

journals.aps.org/prfluids/abs...

#FluidDynamics #MultiphaseFlow #InterfacialFlows #Leidenfrost @apsphysics.bsky.social

1 jour 1 astuce @adbseducrecherche.bsky.social
#Documentation #IST #webinaire
Le jeudi, deux fois par mois, un rendez-vous de trente minutes pour découvrir un #outil et échanger entre pairs
prochain RDV : #NotebookLM le 12 mars

adbs.fr/reseau/group...

Now, when we encounter an effect whose cause is unknown, the path is clear, and we have followed it. We did for this property what we had done for all the others; we studied it carefully, at least as far as our limited experimental resources would allow, and we looked for its laws in order to coordinate them and establish a theory. What, in fact, is a theory? It is the analytical connection of particular facts with a general fact.

Matter for Thought - Timeless insights for Modern Physics

👨‍🔬Quote by Pierre Hippolyte Boutigny, French physicist

📚Source: "Studies on Bodies in the Spheroidal State – A New Branch of Physics” (1857)

#physics #experiment #fluiddynamics #theory #STEM

"la croissance de la communauté scientifique s’accompagne mécaniquement d’une augmentation du volume des publications scientifiques qui met à mal les mécanismes traditionnels de contrôle. D’où d’ailleurs le développement d’alternatives au mécanisme de contrôle par les pairs"

Can the Leidenfrost effect be switched off using an electric field? A droplet on a very hot surface can levitate on its own vapor cushion: the Leidenfrost effect, as spectacular as it is puzzling. But could we learn to control it? Could an electric field locally switc...

On #WomenInScience day, we welcome Lorena Victoria García to #LeidenForce.
Her PhD explores if an electric field can locally switch off the #LeidenfrostEffect.
Supervised by AL Biance at Univ. Lyon 1, with a secondment at CRM Group (Belgium).

🔗 www.leidenforce.eu/welcomeLorena

#PhD #Research #STEM

Découvrir, fouiller, partager des données de recherche : quels apports et limites de l’IA ? Accédez à tous les supports et replays de la journée d’étude portant sur la fouille et le partage des données de recherche à l’aide de l’IA.

Découvrir, fouiller, partager des données de recherche : quels apports et limites de l’IA ?
lalist.inist.fr/decouvrir-fo...

Happy

Beneath the Vapor, Into Science: Highlights from the LeidenForce Winter School 2026 A droplet placed on a scorching surface might seem doomed to vanish instantly. Yet under certain conditions, it does the opposite: it levitates on its own vapor layer, moves with surprising mobility, and reveals a physics both elegant and complex. This is the essence of the Leidenfrost effect, spectacular, but crucial for many industrial processes, from cooling to cryogenic storage. Centered on this phenomenon, the LeidenForce Winter School 2026... Read more

📌 To (re)live the #LeidenForce #WinterSchool 2026 → www.LeidenForce.eu/postwinterschool2026

📷 @ntnu-iss.bsky.social @utwente.bsky.social @universitedeliege.bsky.social @ulbruxelles.bsky.social @cnrs.fr @istaresearch.bsky.social @espciparispsl.bsky.social

#FluidDynamics #HorizonEU #PhD #Research

YouTube video by ESPCI Paris - PSL 4.1 Capillarity and viscosity - Capillary number

- Capillary number: balancing viscosity and surface tension -

The #CapillaryNumber quantifies how viscosity & surface tension interact in droplets. Explore this key concept in the @espciparispsl.bsky.social MOOC video.

🎥 bit.ly/3NVkHyP

#Viscosity #SurfaceTension #FluidPhysics #LeidenfrostEffect

L’Observatoire de l’édition scientifique (OES) – Enrichir la connaissance sur l’édition scientifique en France « L’Observatoire de l’édition scientifique (OES) est une instance coordonnée par le ministère de l’Enseignement supérieur, de la recherche et de l’espace et par le ministère de la culture, dont l’o…

L’Observatoire de l’édition scientifique (OES) - Enrichir la connaissance sur l’édition scientifique en France

Bowling results

Bowling results

🎳 Bowling break at the #LeidenForce Winter School! PhD students, postdocs, speakers & the team had fun. 💡 Can you guess the participants behind these team names… or spot the winners? Hint: they’re pairs! 🏆

#LeidenForce #WinterSchool #Leidenfrost #TeamSpirit #LabLife #ScienceFun

David during his lecture

Alexis during his lecture

Alexis during his lecture

David during his lecture

Day 4 – last lectures at #LeidenForce Winter School: David Paulovics @utwente.bsky.social on impinging #Leidenfrost jets, Alexis Duchesne @univlille.bsky.social on levitated liquid tori & star-shaped drops. Experiments & curiosity!

#DropletPhysics #FluidMechanics #PhysicsExperiments #LabLife

Tomas during his talk

Aymeric during his talk

Senthil during his talk

Day 4 #LeidenForce Winter School: Tomas Cerda (soon @istaresearch.bsky.social – SEML), Aymeric Allemand (postdoc) & Senthil Kumar Parimalanathan from @ulbruxelles.bsky.social TIPS Lab, shared their latest work on droplets & interfaces.

#Leidenfrost #PhDLife #PostdocLife #FluidMechanics

Apurav during his talk

Gauri during her talk

Pablo during his talk

Mélanie during her talk

Cheikh during his talk

Tristan during his talk

PhD talks at #LeidenForce Winter School (D2–3):
A. Tambe - Univ. of Waterloo), G. Patki @universitedeliege.bsky.social & @univlille.bsky.social, PG Gonzalez & M. Bulois @ulbruxelles.bsky.social, CT Dioum (Univ. of Liège), T. Simon @cnrs.fr Saint-Gobain

#Leidenfrost #PhDLife #FluidMechanics

Resort Bad Boekelo under the snow

Resort Bad Boekelo under the snow

Day 4 and final day of the #LeidenForce Winter School starts under the snow ❄️ Resort Bad Boekelo turned into a winter postcard.

#WinterSchool #SnowDay #ResearchLife