Nonlinear synthetic Schlieren methods for free-surface topography measurement using telecentric imagingFree-surface synthetic Schlieren (FS-SS) is a high-resolution, refraction-based optical technique for measuring the instantaneous elevation of a liquid interface. Under the assumptions of small…Shimin Zhang, Frédéric Moisy, Wietze Herreman et al.·May 12, 2026SaveLearn
Air entrainment by an inclined smooth water jetAir entrainment can occur when a water jet impacts a water/air interface, a process central in various real systems, ranging from dam spills to breaking waves. Despite its prevalence, a comprehensive…Théophile Gaichies, Arnaud Antkowiak, Anniina Salonen et al.·May 12, 2026SaveLearn
A Volume of Fluid Immersed Boundary Method for Industrial Polymer MixingThis work develops advanced numerical methods for free-surface simulations of polymer mixing processes, integrating a Volume of Fluid (VOF) interface-capturing approach with a non-conforming Immersed…Emilia Capuano, Daniele Cerroni, Holger Marschall et al.·May 12, 2026SaveLearn
Information-Preserving SGS model based on the local inter-scale equilibrium hypothesisLarge eddy simulation has been widely used to simulate turbulence at balanced computational cost and accuracy. Many Subgrid-Scale (SGS) models have been proposed over the years, where data-driven and…Takeru Hashimoto, Takahiro Tsukahara, Ryo Araki·May 12, 2026SaveLearn
Tracking water vapor homogeneous nucleation and droplet growth with spectroscopy and holography in a free expansion cloud chamberWe use a newly commissioned rapid expansion aerosol chamber (REACh) facility to study the homogeneous nucleation of water vapor to form liquid droplets. We perform high-speed measurements to track…Cole R. Sagan, Gwenore F. Pokrifka, Samuel M. Koblensky et al.·May 12, 2026SaveLearn
Shock-Centered Low-Rank Structure and Neural-Operator Representation of Rarefied Micro-Nozzle FlowsWe examine the structure of Direct Simulation Monte Carlo (DSMC)-resolved internal compression layers in rarefied micro-nozzle flows and show that their apparent parametric complexity is largely a…Ehsan Roohi, Amirmehran Mahdavi·May 12, 2026SaveLearn
Time-Resolved Pore-Scale Imaging of Multiphase Dissolution during CO2-Saturated Brine Injection into a Carbonate: Competition between Hydrocarbon Mobilisation and SwellingWe present time-resolved pore-scale experiments in which CO2-saturated brine was injected into a water-wet Ketton limestone sample containing residual hydrocarbon under reservoir conditions (8 MPa,…Qianqian Ma, Rukuan Chai, Zhuangzhuang Ma et al.·May 12, 2026SaveLearn
Turbulent oscillation in unbalanced T-junction flowsThe T-junction impinging flow occurs in many fluid dynamics systems. In particular, the T-junction micromixer has recently been widely used for nanoparticle production, where the two inlet streams…Dongjie Jia, Arezoo Ardekani·May 12, 2026SaveLearn
Neural Refractive Index Primitives for Flame Field Reconstruction Using Background-Oriented SchlierenAn improved neural refractive-index-primitive method for background-oriented schlieren tomography is presented, enabling continuous three-dimensional reconstruction of refractive-index fields using a…Xinyi Lu, Wei Hu, Zizhou Liao et al.·May 12, 2026SaveLearn
AI CFD Scientist: Toward Open-Ended Computational Fluid Dynamics Discovery with Physics-Aware AI AgentsRecent LLM-based agents have closed substantial portions of the scientific discovery loop in software-only machine-learning research, in chemistry, and in biology. Extending the same loop to…Nithin Somasekharan, Rabi Pathak, Manushri Dhanakoti et al.·May 12, 2026SaveLearn
Cross-correlating blade--wake dynamics for a model wind turbineUnderstanding how wakes interact with wind turbine blades under varying operating and inflow conditions is essential for improving fatigue prediction and performance assessment in increasingly dense…Francisco J. G. de Oliveira, Zahra Sharif Khoadei, Oliver R. H. Buxton·May 11, 2026SaveLearn
Dripping-onto-droplet capillary breakupThis experimental, numerical, and theoretical study investigates the capillary thinning and breakup of Newtonian filaments formed following the coalescence of a millimetric-nozzle-generated pendant…Ricardo El Khoury, Kindness Isukwem, Elie Hachem et al.·May 11, 2026SaveLearn
Rare transitions between collective states in an active fluid via a weakly nonlinear reductionWe study a model for a dilute suspension of rod-like particles swimming at constant velocity in a Stokes flow. As the translational diffusivity of the particles decreases, a two-dimensional uniform…Yves-Marie Ducimetière, Michael J. Shelley·May 10, 2026SaveLearn
Optimal non-linear mechanisms for laminar-turbulent transition of a shock-induced separated shear layerLaminar-turbulent transition in shock wave-boundary-layer interactions (SWBLI) remains a major challenge for hypersonic vehicle design, with implications for drag, heat transfer, and structural…Flavio Savarino, Denis Sipp, Georgios Rigas·May 10, 2026SaveLearn
Network modelling of yield-stress fluid flow in randomly disordered porous mediaYield-stress fluid flow through porous media is governed by a strong coupling between rheology and pore-scale geometry, leading to nonlinear, non-Darcy transport and pronounced channelisation near…Cláudio P. Fonte, Elliott Sutton, Kohei Ohie et al.·May 10, 2026SaveLearn
Viscoelastic control of acoustic particle migration and trapping in microchannelsParticle migration and trapping in ultrasonically actuated microscale flows arise from the competition between acoustic radiation forces and streaming-induced drag. While these mechanisms are well…T. Sujith, A. K. Sen·May 9, 2026SaveLearn
Data-driven Symbolic Closure for Turbulence Modeling in the Lattice Boltzmann FrameworkTurbulence modeling within the Lattice Boltzmann Method (LBM) framework has long relied on traditional algebraic sub-grid scale (SGS) models, which often suffer from over-dissipation and lack of…Yujie Fu, Yihan Zhang, Wanru Deng et al.·May 9, 2026SaveLearn
Disentangling coherent structures and the origin of swirl-switchingModal decomposition of turbulent flows using classical proper orthogonal decomposition (POD) often suffers from mode mixing, in which a distinct coherent structure may be distributed over several POD…Eman Bagheri, Riccardo Casali, Stefan Becker et al.·May 9, 2026SaveLearn
A bent straw as a tool for an affordable student-safe experiment in vortex ring dynamicsVortex dynamics are an important topic in fluid dynamics, explaining phenomena like drag and lift generation, jet propulsion, and corner flows. It is also often excluded from introductory or…Elijah James, Yukun Sun, Yicong Fu et al.·May 8, 2026SaveLearn
Bubble jetting in acoustic microdroplet vaporizationAcoustic droplet vaporization denotes the phase-change of micron- and sub-micron-sized droplets upon the application of high-amplitude ultrasound. The asymmetric collapse of the incepted vapor…Anunay Prasanna, Samuele Fiorini, Gazendra Shakya et al.·May 8, 2026SaveLearn
Vortex ring formation from the interaction of a cavitation bubble with a confined air bubble: experiments and a timing criterionWe study vortex ring formation arising from the interaction between a cavitation bubble and a confined air bubble in a cylindrical blind hole, using high-speed shadowgraphy imaging. As the cavitation…Charul Gupta, Yashwant Singh, Lakshmana D Chandrala et al.·May 8, 2026SaveLearn
Species Transport Driven by Droplet Impact in Wavy Thin FilmsDroplet impact on thin liquid films is commonly studied on quiescent surfaces, although practical systems often involve residual capillary waves generated by preceding droplets. This study examines…Hatim Ennayar, Frederik Roy Patria, Jeanette Hussong·May 8, 2026SaveLearn
On the repeatability of turbulenceTurbulence has strong and seemingly random fluctuations. Assessing its repeatability is key to predicting flows in technology and nature, much of which decay as viscosity dissipates energy. Much has…Noé Clavier, Eberhard Bodenschatz, Florencia Falkinhoff·May 8, 2026SaveLearn
Cassie-Wenzel transition induced by localized freezing after droplet impact on supercooled micro-patterned surfacesMicro-patterned surfaces have attracted significant attention in numerous applications owing to their potential to enhance hydrophobic and icephobic properties. A Cassie state of final wetting of a…Jun Fang, Mengqi Ye, Huafeng Liu et al.·May 8, 2026SaveLearn
Buoyancy-dependent induced flow by vertically migrating swimmersCollective vertical swimming may generate aggregate-scale flows that contribute to mixing and transport in stratified environments. The strength of these flows depends not only on swimmer behavior…Nina Mohebbi, John O. Dabiri·May 8, 2026SaveLearn