Generation of an isolated vortex gust through a heaving and pitching foilThis study introduces a vortex gust generation method for isolated vortices impacting a downstream airfoil that is applicable to both numerical simulations and experiments. The vortex gust is…Bingfei Yan, Eric Handy-Cardenas, Kenny Breuer et al.·Mar 22, 2026SaveLearn
Obstacle-aware navigation of smart microswimmers in a turbulent flowMicroswimmers in turbulent flows often navigate complex, heterogeneous, and obstacle-rich environments, where they exhibit intricate behaviors such as trapping at and escape from obstacles. We…Vaishnavi Gajendragad, Akanksha Gupta, Nadia Bihari Padhan et al.·Mar 22, 2026SaveLearn
Experimental investigation of intermediate-dissipation range energy spectra in shear turbulenceThe shape of the turbulent energy spectrum in the dissipation range, where viscous effects dominate, remains an open question despite decades of work. We report an experimental investigation of…Dipendra Gupta, Edmund T. Liu, Gregory P. Bewley·Mar 22, 2026SaveLearn
The effects of salinity and inclination on the morphology of melting iceThe salinity of water and the slope of ice significantly influence the melt rate and surface morphology of ice, both highly relevant in the context of glacier and iceberg melting in oceanic…Tomás J. Ferreyra Hauchar, Detlef Lohse, Sander G. Huisman·Mar 22, 2026SaveLearn
Coupled Transport and Adsorption in Graded Filters: A Multi-Scale Analysis of Non-Solenoidal EffectsWe investigate the transport and adsorption of solutes within graded porous filters characterised by a spatially varying microstructure. While classical homogenisation theory typically assumes…Václav Klika, Vojtěch Kužel·Mar 21, 2026SaveLearn
Windsurf-mimetic study about unsteady propulsionWe study experimentally a a three-dimensional reduced model of a sail shape performing pitching oscillations around a mean incidence angle (αm) with respect to an incoming flow in a…Gauthier Bertrand, Ramiro Godoy-Diana, Benjamin Thiria et al.·Mar 21, 2026SaveLearn
Effects of fluid rheology and geometric disorder on the enhanced resistance of viscoelastic flows through porous mediaRecent works reveal the importance of chaotic flow fluctuations as a mechanism for the enhanced resistance observed in viscoelastic porous media flows, and also show how chaotic fluctuations are…Simon J Haward, Amy Q Shen·Mar 21, 2026SaveLearn
Cavitation by phase shift of focused shock waves inside a dropletLocalized cavitation in liquids and soft tissues, typically initiated by the rarefaction phase of high-amplitude ultrasound waves, is leveraged in several biomedical applications such as ablation…Samuele Fiorini, Guillaume T. Bokman, Anunay Prasanna et al.·Mar 20, 2026SaveLearn
Modeling subgrid scale production rates on complex meshes using graph neural networksLarge-eddy simulations (LES) require closures for filtered production rates because the resolved fields do not contain all correlations that govern chemical source terms. We develop a graph neural…Priyabrat Dash, Mathis Bode, Konduri Aditya·Mar 20, 2026SaveLearn
Direct Numerical Simulations of Ice-Ocean Boundary TurbulenceTurbulent heat and freshwater transport at ice-ocean interfaces controls glacier and iceberg melt rates, yet the underlying physics remains poorly constrained. Parameterizations that assume shear…Ken X. Zhao, Tomas Chor, Eric Skyllingstad et al.·Mar 20, 2026SaveLearn
Time-varying wind-turbine wakes at high Reynolds numbersWind turbines operating in the atmospheric boundary layer are constantly exposed to time-varying flow conditions. These disturbances often occur on similar time scales to wind-turbine controllers,…Nathaniel J. Wei, Adina Y. Fleisher, John W. Kurelek et al.·Mar 20, 2026SaveLearn
Coherent Structure Transport in Turbulent Axisymmetric Pipe ExpansionsTurbulent separated flows in axisymmetric expansions can sustain fundamentally different transport organization despite nearly identical mean topology. Using stereo-PIV and time-resolved planar PIV,…Jibu Tom Jose, Gal Friedmann, Omri Ram·Mar 19, 2026SaveLearn
Investigation of Differential Diffusion and Strain Coupling in Large Eddy Simulations of Hydrogen-Air FlamesLarge Eddy Simulations with flamelet-based thermochemistry are used to investigate the behaviour of a premixed hydrogen-air flame stabilised by a bluff-body. Validation against experimental data is…Antonio Masucci, Gioele Ferrante, Tiziano Ghisu et al.·Mar 19, 2026SaveLearn
Power spectra via the van der Waals effect in the two-dimensional Poiseuille and Couette flowWe numerically simulate the two-dimensional inertial flow with the van der Waals effect in a straight periodic channel around the Poiseuille and Couette stationary states. Even though the flow…Rafail V. Abramov·Mar 19, 2026SaveLearn
Reduction of Triadic Interactions Suppresses Intermittency and Anomalous Dissipation in TurbulenceWe investigate how the defining statistical features of three-dimensional turbulence respond to systematic reductions of the Fourier-space triadic interaction network. Using direct numerical…Anikat Kankaria, Ritwik Mukherjee, Sugan Durai Murugan et al.·Mar 19, 2026SaveLearn
Is it true that no mathematical relation exists between the Navier-Stokes equations and the multifractal model?Contrary to accepted turbulence folklore, which holds that no mathematical relation exists between the Navier-Stokes equations (NSEs) and the multifractal model (MFM) of Parisi and Frisch, we develop…John D. Gibbon, Dario Vincenzi·Mar 19, 2026SaveLearn
A Spherical Multipole Expansion of Acoustic Analogy for Propeller NoiseThis work develops a spherical-multipole expansion of the surface terms of an acoustic-analogy formulation, for the prediction of tonal noise from rotating propellers. The acoustic field is expressed…Felice Fruncillo, Paolo Luchini, Flavio Giannetti·Mar 19, 2026SaveLearn
Acoustic radiation of thermodiffusively unstable turbulent lean premixed hydrogen-air flamesThe impact of thermodiffusive effects on combustion noise in turbulent premixed slot jet flames is investigated using Direct Numerical Simulations. Two thermodiffusively unstable lean hydrogen-air…Francesco G. Schiavone, Guillaume Daviller, Davide Laera·Mar 19, 2026SaveLearn
Geometric Dynamics of Turbulence: A Minimal Oscillator Structure from Non-local ClosureTurbulence remains one of the central open problems in classical physics, largely due to the absence of a closed dynamical description of the Reynolds stress. Existing approaches typically rely…Alejandro Sevilla·Mar 19, 2026SaveLearn
Two-Color LIF investigation of mixing during droplet impact onto a thin liquid filmA two-color laser-induced fluorescence (2C-LIF) technique is presented for investigating droplet impact on thin liquid films, enabling simultaneous, spatially and temporally resolved measurements of…Hatim Ennayar, Jeanette Hussong·Mar 19, 2026SaveLearn
Scale by scale analysis of magnetoconvection with uniform wall-normal and wall-parallel magnetic fields at low magnetic Reynolds numberRayleigh-B\'enard convection under an imposed inductionless magnetic field is analysed statistically from the perspective of single-point and multi-scale energy budgets. The data is obtained from…Jake Ineson, Aleksander Dubas, Alex Skillen·Mar 19, 2026SaveLearn
A Novel Approach for Direct Measurement of the Stretch Factor in Laminar Premixed Hydrogen-Air Flames Affected by Thermodiffusive InstabilitiesThis study introduces a novel experimental configuration using OH-PLIF imaging to directly determine the stretch factor (I0) in laminar premixed hydrogen flames transitioning from a quasi-stable…Marcel Marburger, Christoph Möller, Andrew MacFarlane et al.·Mar 19, 2026SaveLearn
Characterization of coherent flow structures in brain ventriclesThe dynamic flow of cerebrospinal fluid (CSF) in brain ventricles exhibits flow features on several scales, both spatially and temporally. Most analysis of this complex flow and the accompanying…Halvor Herlyng, Shawn C. Shadden·Mar 19, 2026SaveLearn
Reduced-order turbulent flow solver to simulate streamwise periodic fins with iso-thermal wallsAssessment of the thermo-hydraulic performance of heat exchangers using computational fluid dynamics is a challenging task. The intricate geometries of a heat exchanger require a fine discretization…Nitish Anand, Praharsh Pai Raikar, Carlo De Servi·Mar 19, 2026SaveLearn
The Role of Drop Shape in Impact ForceDrop impacts are ubiquitous in natural and industrial processes, yet the influence of drop shape on impact force remains a fundamental open question. Combining experiments with theoretical analysis,…Yang Zeng, Zhen Chen, Lei Xu·Mar 19, 2026SaveLearn