Data-driven linear analysis of turbulent flowsMean-flow-based linear analyses of turbulent flows, such as resolvent analysis, provide valuable insight about flow structures and their dynamics that has been widely leveraged to model, control and…Benjamin Herrmann, Katherine Cao, Carlos A. Gonzalez et al.·Jun 26, 2026SaveLearn
Multiscale Cavitation Sub-Grid Modeling via Population Balances as Linear Stochastic ProcessA multiscale sub-grid cavitation model is developed in which the bubble size distribution evolves as a linear stochastic process in radius space. Starting from the integrated Rayleigh--Plesset…Fynn Jerome Aschmoneit·Jun 26, 2026SaveLearn
Effects of thermochemical modelling on a hypersonic shock-wave/turbulent boundary-layer interactionThermochemical non-equilibrium can alter the structure, loads, and time scales of hypersonic shock-wave/turbulent boundary-layer interactions, yet its role in fully turbulent configurations remains…Marco Fratini, Pedro Stefanin Volpiani, Matteo Bernardini·Jun 26, 2026SaveLearn
Flow dynamics in a wavy channel filled with anisotropic porous material under the effect of wall slipIn this study, a theoretical and graphical analysis is conducted to examine the effects of wall-velocity slip, anisotropic ratio, and porosity parameter on a two-dimensional, viscous, laminar, and…Shyamal Kumar Mondal, Sougata Mandal, Sukhendu Ghosh·Jun 26, 2026SaveLearn
Effect of an aligned current on the stability of oscillatory incompressible flow past a circular cylinderThe stability of incompressible flow past a circular cylinder under collinear steady and oscillatory forcing is investigated within a two-dimensional Floquet framework. The flow is parameterised by…Geng Chen, Lian Gan, Philip H. Gaskell·Jun 26, 2026SaveLearn
Statistical equilibria of two-dimensional turbulent flows for generic initial vorticity fields on a sphere, calculated on the basis of the original Miller-Robert-Sommeria theoryBased on the original Miller-Robert-Sommeria theory, we explicitly compute a statistical equilibrium of two-dimensional turbulent flow on a sphere for a generic initial vorticity field introduced in…Koki Ryono, Keiichi Ishioka·Jun 26, 2026SaveLearn
Optothermal Actuation of Unidirectional Thermo-osmotic FlowsIn this paper, we experimentally demonstrate the microscale direction control of thermoosmotic flows using a focused-laser heating. The key is the off-center laser irradiation on an immobilized…Tetsuro Tsuji, Shota Suzuki, Satoshi Taguchi et al.·Jun 26, 2026SaveLearn
Interface tracking with Microscale Topological Surgery for two-dimensional filament breakupWe design and implement a Microscale Topological Surgery (MTS) algorithm to detect and enforce topological transitions in two-dimensional tracked interfaces. The method combines classical Lagrangian…Raaghav Ramani·Jun 26, 2026SaveLearn
Fate of Secondary Droplets Produced by High-speed Raindrops Interacting with a Liquid PoolSecondary droplets produced by interactions between falling fluid drops and a liquid pool play a significant role in engineering applications and geophysical processes in nature. This study uses…Han-Hsiang Kuo, Xuanting Hao·Jun 26, 2026SaveLearn
Immiscible two-phase flow in porous media: a statistical mechanics approachThe central problem in the physics of immiscible two-phase flow in porous media is to find a proper description of the flow at scales large enough so that the medium may be regarded as a continuum:…Alex Hansen, Santanu Sinha·Jun 26, 2026SaveLearn
Pinch-off dynamics for a Newtonian liquid thread draining in a viscoplastic mediumThe pinch-off dynamics of a Newtonian liquid thread embedded in a viscoplastic medium is investigated using direct numerical simulations and theory. Thread breakup occurs below a nearly universal…Shu Yang, Konstantinos Zinelis, Sourojeet Chakraborty et al.·Jun 26, 2026SaveLearn
Toward a Universal Framework for the Internal Gravity Wave SpectrumThe Garrett-Munk (GM) spectrum has long provided a canonical model of the oceanic internal gravity wave field. However, it relies on hydrostatic assumptions and idealized stratification that limit…Leticia Fabre-Lima, Jeffrey Early, Miles A. Sundermeyer·Jun 25, 2026SaveLearn
Two-Dimensional Locally Adaptive Non-Hydrostatic Extension of Shallow Water EquationsWe introduce a two-dimensional non-hydrostatic model for shallow water wave dispersion. The model is based on a locally adapted application of a non-hydrostatic correction to the hydrostatic shallow…Kemal Firdaus, Jörn Behrens·Jun 25, 2026SaveLearn
The multifractal nature of turbulent energy dissipationThe intermittency of the rate of turbulent energy dissipation ε is investigated experimentally, with special emphasis on its scale-similar facets. This is done using a general formulation in terms…Charles Meneveau, K. R. Sreenivasan·Jun 25, 2026SaveLearn
Unpinning of trapped oil droplets via non-resonant acoustic streaming in capillary tubesWe establish self-consistent analytical model demonstrating that trapped non-wetting liquid phases in narrow capillary channels can be successfully unpinned via non-resonant, second-order acoustic…D. Tsiklauri·Jun 25, 2026SaveLearn
Excitation of non-modal perturbations in hypersonic boundary layers by free stream forcing. Part II: asymptotic theory and key mechanismsRecently, Zhao & Dong (J. Fluid Mech. 2025, vol. 1013: A44) developed a high-efficiency, high-accuracy numerical framework, the shock-fitting harmonic linearised Navier-Stokes (SF-HLNS) approach,…Ming Dong, Mingze Sun, Qinyang Song et al.·Jun 25, 2026SaveLearn
Hydrodynamic theory of premixed flames under Darcy's law: Interfacial conditions and effects of nonunity Lewis number and heat lossPremixed flames propagating in porous media or Hele-Shaw channels are governed by Darcy's law, which accounts for the strong frictional forces imposed by the solid matrix or confining walls.…Prabakaran Rajamanickam, Joel Daou·Jun 25, 2026SaveLearn
Influence of Park's Two-Temperature Model Control Temperature on the Flow Properties in Hypersonic Reentry ConditionsNumerical simulations of reactive hypersonic flows under thermochemical non-equilibrium conditions are presented for the FIRE II and Mars Pathfinder capsules. An 11-species chemical model is employed…Gibson De Marchi Poltronieri, Farney C. Moreira, João Luiz F. Azevedo·Jun 25, 2026SaveLearn
Data-Driven Flux Parameterization for the Atmospheric Boundary LayerTurbulent fluxes in the atmospheric boundary layer (ABL) govern exchanges of momentum, heat, and mass between the surface and atmosphere, shaping boundary layer structure and influencing weather,…Abed Hammoud, Edriss S. Titi, Mitchell Bushuk et al.·Jun 25, 2026SaveLearn
Effects of fuel and soot concentrations on the inception and development of contrailsFundamental questions related to the roles of fuel type, combustion parameters, and turbulence transport interactions in the inception and growth of contrails have remained intractable in remote…Amitesh Roy, Rajat Sawanni, Yash T. Rajan et al.·Jun 25, 2026SaveLearn
Fluid flow in low aspect-ratio curved channels: from small to moderate Dean numbersThe pressure-driven flow is numerically investigated in curved channels at low aspect ratio, where centrifugal forces act along the largest dimension. The dynamics is studied numerically, as a…Ezzahrae Jaafari, Pascale Magaud, Micheline Abbas·Jun 25, 2026SaveLearn
Band-Ensemble Spectral Proper Orthogonal Decomposition with Frequency AttributionThis study presents band-ensemble Spectral Proper Orthogonal Decomposition (bSPOD). The approach is inspired by frequency smoothing, a method used to reduce estimator variance in power spectral…Jakob G. R. von Saldern, Oliver T. Schmidt, Philipp Godbersen et al.·Jun 25, 2026SaveLearn
Transition to dilatation-dominated isothermal compressible turbulenceThe kinetic energy dissipation rate is of central importance for small-scale statistics in turbulent flows. Here, we report a transition to the dilatation-dominated regime of three-dimensional…Shadab Alam, Christoph Federrath, Jörg Schumacher·Jun 25, 2026SaveLearn
Data-driven modeling and decomposition for nanoscale liquid-film dynamics: Application to superspreading nanofluid dropletsUnderstanding ultrathin liquid-film dynamics is crucial for unraveling complex interfacial phenomena, yet deriving governing equations directly from experimental observations remains challenging.…Kai Fukami, Eita Shoji·Jun 25, 2026SaveLearn
Geometry-Driven Passive Fluid Transport in Paper-Based MicrodevicesChannel geometry strongly influences capillary-driven fluid transport in paper-based devices, yet systematic comparative studies correlating geometric design with flow behaviour and analyte…Mohd Shafiq Nasir, Akimitsu Kugimiya, Muhammad Salman Al Farisi·Jun 24, 2026SaveLearn