Experimental measurement of the vorticity-strain alignment around extreme energy transfer eventsThis work experimentally explores the alignment of the vorticity vector and the strain-rate tensor eigenvectors at locations of extreme upscale and downscale energy transfer. We show that the…Benjamin Musci, Berengere Dubrulle, Jean LeBris et al.·Mar 28, 2025SaveLearn
Falling plates with leading-edge vortex sheddingWe develop a new numerical method for thin plates falling in inviscid fluid that allows for leading-edge vortex shedding. The inclusion of leading-edge shedding restores physical dynamics to…Yu Jun Loo, Silas Alben·Mar 28, 2025SaveLearn
Curvature-based energy spectra revealing flow regime changes in Rayleigh-B\'enard convectionWe use the local curvature derived from velocity vector fields or particle tracks as a surrogate for structure size to compute curvature-based energy spectra. An application to homogeneous isotropic…Michael Mommert, Philipp Bahavar, Robin Barta et al.·Mar 28, 2025SaveLearn
Two-phase pore-network model for evaporation-driven salt precipitation -- representation and analysis of pore-scale processesEvaporation-driven salt precipitation occurs in different contexts and leads to challenges in case of e.g. soil salinization or stress-introducing precipitation in building material. During…Theresa Schollenberger, Christian Rohde, Rainer Helmig·Mar 28, 2025SaveLearn
Bouncing microdroplets on hydrophobic surfacesIntuitively, slow droplets stick to a surface and faster droplets splash or bounce. However, recent work suggests that on non-wetting surfaces, whether microdroplets stick or bounce depends only on…Jamie Mclauchlan, Jim S. Walker, Vatsal Sanjay et al.·Mar 28, 2025SaveLearn
Chaotic and time-periodic edge states in square duct flowWe analyse the dynamics within the stability boundary between laminar and turbulent square duct flow with the aid of an edge-tracking algorithm. As for the circular pipe, the edge state turns out to…Markus Scherer, Markus Uhlmann, Genta Kawahara·Mar 28, 2025SaveLearn
Lagrangian intermittency and vertical confinement in stably stratified turbulenceWe investigate the Lagrangian properties of homogeneous, stratified turbulence at different Brunt-V\"ais\"al\"a frequencies.We show increasing vertical confinement of trajectories with increasing…Arun Kumar Varanasi·Mar 28, 2025SaveLearn
openKARST: A novel open-source flow simulator for karst systemsWe introduce the open-source Python-based code openKARST for flow in karst conduit networks. Flow and transport in complex karst systems remain a challenging area of hydrogeological research due to…Jannes Kordilla, Marco Dentz, Juan J. Hidalgo·Mar 28, 2025SaveLearn
A Mesh-Adaptive Hypergraph Neural Network for Unsteady Flow Around Oscillating and Rotating StructuresGraph neural networks, recently introduced into the field of fluid flow surrogate modeling, have been successfully applied to model the temporal evolution of various fluid flow systems. Existing…Rui Gao, Zhi Cheng, Rajeev K. Jaiman·Mar 28, 2025SaveLearn
Large eddy simulation of a utility-scale vertical-axis marine hydrokinetic turbine under live-bed conditionsWe present a coupled large-eddy simulation (LES) and bed morphodynamics study to investigate the impact of sediment dynamics on the wake flow, wake recovery and power production of a utility-scale…Mehrshad Gholami Anjiraki, Mustafa Meriç Aksen, Jonathan Craig et al.·Mar 28, 2025SaveLearn
Reynolds number effects on surface-induced secondary flows in turbulent boundary layersThis study explores the effect of friction Reynolds number (Reτ ≈ 3,000--13,000) on secondary flows in three-dimensional turbulent boundary layers induced by spanwise surface…T. Medjnoun, M. Nillson-Takeuchi, B. Ganapathisubramani·Mar 27, 2025SaveLearn
Direct numerical simulations of supersonic three-dimensional turbulent boundary layersSupersonic turbulent channels subjected to sudden spanwise acceleration at initial friction Reynolds numbers of approximately 500 and different Mach numbers are studied through direct numerical…Salvador Rey Gomez·Mar 27, 2025SaveLearn
Universal energy cascade in homogeneous binary fluid turbulence: A direct comparison of different exact relationsBelow critical temperature, turbulence prevents the spontaneous phase separation of binary mixtures, resulting in a phase arrested state of emulsion which is of significant interest for scientific…Nandita Pan, Supratik Banerjee·Mar 27, 2025SaveLearn
Impact of freestream turbulence and thrust coefficient on wind turbine-generated wakesThis study investigates how variations in freestream turbulence (FST) and the thrust coefficient (CT) influence wind turbine wakes. Wakes generated at CT ∈ \0.5, 0.7,0.9\ are exposed to…Martin Bourhis, Thomas Messmer, Michael Hölling et al.·Mar 27, 2025SaveLearn
Complex Pressure Node Formation and Resonances Induced by Scatterers in a Standing-Wave Acoustic CavityAcoustic pressure nodes in acoustophoretic devices are crucial for applications in tissue engineering, cell analysis, and particle trapping. Typically, a single primary node forms at the…Rizwan Ullah, Andres Barrio-Zhang, Arezoo M. Ardekani·Mar 27, 2025SaveLearn
Numerical Analysis of the Stability of Iron Dust Bunsen FlamesThis article presents numerical simulations of the response of an iron dust Bunsen flame to particle seeding changes. A validated numerical model is used to study the impact of particle seeding…Thijs Hazenberg, Daniel Braig, Johannes Mich et al.·Mar 27, 2025SaveLearn
Extending the range of sizes of monodisperse core-shell hydrogel capsules from composite jet breakup by combined electrical and mechanical actuationThe production of monodisperse particles or droplets is a longstanding issue across various fields, from aerosol science to inkjet printing. In bioengineering, submillimeter cell laden hydrogel…Lucas Suire, Anirban Jana, Pierre Nassoy et al.·Mar 27, 2025SaveLearn
Shock compression-based equation of state for perfluorohexanePerfluorohexane is a biocompatible material that serves as a liquid core for acoustically-responsive agents in biomedical applications. Despite its relatively widespread usage, there is a lack of…Anunay Prasanna, Guillaume T. Bokman, Samuele Fiorini et al.·Mar 27, 2025SaveLearn
Dynamics of an elliptical cylinder in confined Poiseuille flow under Navier slip boundary conditionsA comprehensive understanding of surface wetting phenomena in microchannels is essential for optimizing particle transport and filtration processes. This study numerically investigates the dynamics…Xinwei Cai, Xuejin Li, Xin Bian·Mar 27, 2025SaveLearn
Simultaneous layout and device parameter optimisation of a wave energy park in an irregular seaThe design of optimal wave energy parks, namely, arrays of devices known as wave energy converters (WECs) that extract energy from water waves, is an important consideration for the renewable…Ben Wilks, Michael H. Meylan, Fabien Montiel et al.·Mar 27, 2025SaveLearn
Faraday Wave Singularities Trigger Microbubble JettingWall-attached bubbles can produce repeated jets under gentle ultrasound stimulation through the Faraday instability. We identify three distinct jetting regimes defined by the jetting frequency and…Marco Cattaneo, Louan Presse, Outi Supponen·Mar 26, 2025SaveLearn
CyberDiver: an untethered robotic impactor for water-entry experimentsWe present the CyberDiver, an untethered robotic impactor capable of actively modulating the fluid physics during high-speed water entry. First, we utilize the CyberDiver to extend our understanding…John T. Antolik, Eli A. Silver, Jesse L. Belden et al.·Mar 26, 2025SaveLearn
Analyzing Iron Dust Bunsen Flames using Numerical SimulationsThis article presents numerical simulations of an iron dust Bunsen flame. The results are validated against experimental results. The burning velocity is extracted from the 3D simulation results, as…Thijs Hazenberg, Danial Braig, Michal A. Fedoryk et al.·Mar 26, 2025SaveLearn
An exact solution of the lubrication equations for the Oldroyd-B model in a hyperbolic channelAn exact similarity solution of the lubrication equations for the steady flow of a viscoelastic Oldroyd-B fluid in a contracting and symmetric hyperbolic channel is derived. The solution is valid for…Kostas D. Housiadas·Mar 26, 2025SaveLearn
Reproducibility of Large Eddy Simulations for mixing in stirred tank reactorsCFD simulations are widely used to quantify mixing performance of stirred tanks, for various applications in chemical engineering and biotechnology. Due to advances in GPU computing, more and more…Cees Haringa, Ryan Rautenbach, Héctor Maldonado de Léon et al.·Mar 26, 2025SaveLearn