A paradox of the Navier-Stokes turbulenceThe Navier-Stokes (NS) equations as a turbulence model have been widely applied in lots of fields. The NS equations contain such a fundamental assumption that all small physical/artificial…Shijie Qin, Kun Xu, Shijun Liao·Oct 13, 2025SaveLearn
Analytical and numerical investigation of heat transfer of porous fin in a local thermal non-equilibrium stateThis research employs a local thermal non-equilibrium (LTNE) model to analyze the heat transfer phenomenon through a porous fin, considering natural convection and radiation effects. The infiltration…Payam Jalili, Salar Ghadiri Alamdari, Bahram Jalili et al.·Oct 13, 2025SaveLearn
Analysis of bio-nanofluid flow over a stretching sheet with slip boundariesA viscous, incompressible, micropolar bio-nanofluid flowing across a stretching sheet in three dimensions while being driven to convect several slip boundaries in the presence of a magnetic field was…Bahram Jalili, Salar Ghadiri Alamdari, Payam Jalili et al.·Oct 13, 2025SaveLearn
A model for transport of soluble surfactants in two-phase flowsIn this work, we propose a novel transport model for soluble surfactants in two-phase flows. In a two-phase flow, the soluble surfactants can adsorb/desorb from/into the bulk of any of the phases to…Suhas S. Jain·Oct 12, 2025SaveLearn
The significance of two-way coupling in two-dimensional, dusty turbulenceThe significance of small-scale forcing of particles on the carrier two-dimensional turbulent flow has been shown to influence the spectral scaling properties of the carrier fluid. We investigate…Harshit Joshi, Amal Manoharan, Samriddhi Sankar Ray·Oct 12, 2025SaveLearn
Spontaneous Coulomb fissions of drops on lubricated surfacesCharged water drops are more widespread than commonly acknowledged. For example, raindrops typically carry charges of order Q ~ 1 pC, while routine pipetting in the laboratory produces drops with Q ~…Marcus Lin, Peng Zhang, Aaron D. Ratschow et al.·Oct 11, 2025SaveLearn
Enhanced accumulation of bitumen residue in a highly concentrated tailings flow by microbubbles from in-situ catalytic decomposition of hydrogen peroxideThe massive volume of oil sands tailings has been one of the most challenging environmental issues. In this work, we experimentally explore a simple and effective approach to bitumen residue…Kaiyu Zhou, Somasekhara Goud Sontti, Joe Zhou et al.·Oct 11, 2025SaveLearn
Spectral spacetime-geometry of Womersley flowWe revisit the classical Womersley solution for pulsatile viscous flow in a circular tube and reconstruct its full time-domain geometry from first principles. By combining harmonic decomposition with…Khalid M. Saqr·Oct 11, 2025SaveLearn
Effects of Coal Particles on Microbubble-Enhanced Bitumen Separation in the Concentrated Slurry Flow of Oil Sands TailingsOur study investigates the segregation of bitumen residues within the transport pipeline before disposal in the presence of coal particles in carriers and microbubbles. Coal particles decreased the…Yiyi Huo, Mohammadhossein Golchin, Kaiyu Zhou et al.·Oct 11, 2025SaveLearn
Whipped and mixed warm clouds in the deep seaTurbulence is indispensable to redistribute nutrients for all life forms larger than microbial, on land and in the ocean. Yet, the development of deep-sea turbulence was not studied in three…Hans van Haren·Oct 10, 2025SaveLearn
Reply to the comments of McMullen et al. (arXiv:2510.04828)McMullen et al. [1] comment that the numerical simulations that explicitly include random velocity fluctuations ``should exhibit a thermal-fluctuation-dominated range'' consistent with the…Shijun Liao, Shijie Qin·Oct 10, 2025SaveLearn
Bubble entrainment in turbulent jets leaping from liquid surfaceWe investigate the phenomenon of air entrainment in turbulent water jets exiting a pool near the free surface. Our experimental results reveal that bubble entrainment occurs only within a specific…Fangye Lin, Mingbo Li·Oct 10, 2025SaveLearn
Smart navigation of a gravity-driven glider with adjustable centre-of-massArtificial gliders are designed to disperse as they settle through a fluid, requiring precise navigation to reach target locations. We show that a compact glider settling in a viscous fluid can…X. Jiang, J. Qiu, K. Gustavsson et al.·Oct 10, 2025SaveLearn
Intelligent backpropagated neural networks application on Couette-Poiseuille flow of variable viscosity in a composite porous channel filled with an anisotropic porous layerThis study examines Couette-Poiseuille flow of variable viscosity within a channel that is partially filled with a porous medium. To enhance its practical relevance, we assume that the porous medium…Timir Karmakar, Amrita Mandal·Oct 9, 2025SaveLearn
An investigation into the combined effect of steady and pulsatile flow within a wavy channel filled with an anisotropic porous mediumWe provide an analytical solution to examine the impact of steady and pulsatile flow in a symmetric wavy channel filled with an anisotropic porous medium. The flow inside the wavy channel with a…Sanchita Pramanik, Timir Karmakar·Oct 9, 2025SaveLearn
Effect of Stokes number on erosion on Pelton buckets for sediment-laden flowsWith increased glacial melting and the need to maintain sediment continuity for ecosystem health, sediment-laden flows through hydropower plants are becoming increasingly problematic, particularly…Aron Dagur Beck, Elena Vagnoni·Oct 9, 2025SaveLearn
Understanding the Influence of Rheological Properties of Shear-Thinning Liquids on Segmented Flow in Microchannel using CLSVOF Based CFD ModelIn this study, two phase gas-shear-thinning liquid flow in a square microchannel is numerically investigated using the coupled level set and volume of fluid (CLSVOF) methods. A systematic…Somasekhara Goud Sontti, Pankaj G. Pallewar, Amritendu Bhuson Ghosh et al.·Oct 9, 2025SaveLearn
Scalings and simulation requirements in two-phase flowsIn this work, important two-phase flow scalings are derived, which enable the quantification of grid-point and time-step requirements as functions of Re, We, and Ca numbers. The adequate grid…Luis H. Hatashita, Pranav Nathan, Suhas S. Jain·Oct 9, 2025SaveLearn
Symmetry-breaking bifurcations and sub-harmonic lock-in of a flexible splitter plate in cylinder wake flowThis paper investigates the flow past a flexible splitter plate attached to the rear of a fixed circular cylinder at a low Reynolds number of 150. A systematic exploration of the plate length…Baiyang Song, Huan Ping, Wenli Chen et al.·Oct 8, 2025SaveLearn
Stochastic Modeling and Upscaling of Hydrodynamic Transport in Geological FracturesCharacterizing hydrodynamic transport in fractured rocks is essential for carbon storage and geothermal energy production. Multiscale heterogeneities lead to anomalous solute transport, featuring…Alessandro Lenci, Yves Méheust, Marco Dentz et al.·Oct 8, 2025SaveLearn
On internal wave whispering gallery modes in channels and critical-slope wave attractorsInternal waves are an important feature of stratified fluids, both in oceanic and lake basins and in other settings. Many works have been published on the generic feature of internal wave trapping…Nimrod Bratspiess, Eyal Heifetz, Leo R. M. Maas·Oct 8, 2025SaveLearn
Subcritical transition and multistability in liquid metal magnetoconvection with sidewallsThe motionless conducting state of liquid metal convection with an applied vertical magnetic field confined in a vessel with insulating side walls becomes linearly unstable to wall modes through a…Matthew McCormack, Andrei Teimurazov, Olga Shishkina et al.·Oct 8, 2025SaveLearn
Viscoelastic flow of an Oldroyd-B fluid through a slowly varying contraction-expansion channel: pressure drop and elastic stress relaxationViscoelastic fluid flows in narrow non-uniform geometries are ubiquitous in various engineering applications and physiological flow systems. For such flows, one of the key interests is understanding…Yali Kedem, Bimalendu Mahapatra, Evgeniy Boyko·Oct 8, 2025SaveLearn
Active Control of Turbulent Airfoil Flows Using Adjoint-based Deep LearningWe train active neural-network flow controllers using a deep learning PDE augmentation method to optimize lift-to-drag ratios in turbulent airfoil flows at Reynolds number 5×104 and Mach…Xuemin Liu, Tom Hickling, Jonathan F. MacArt·Oct 8, 2025SaveLearn
Machine Learning enhanced parametric Reynolds-averaged Navier-Stokes equations at the full- and reduced-order levelsIn this contribution, we focus on the Reynolds-averaged Navier-Stokes (RANS) models and their exploitation to build reliable reduced-order models to further accelerate predictions for real-time…Davide Oberto, Maria Strazzullo, Stefano Berrone·Oct 8, 2025SaveLearn