Regulation of droplet size and flow regime by geometrical confinement in a microfluidic flow-focusing deviceWe have developed a coupled level set and volume of fluid-based computational fluid dynamics model to analyze the droplet formation mechanism in a square flow-focusing microchannel. We demonstrate a…Somasekhara Goud Sontti, Arnab Atta·Oct 8, 2025SaveLearn
CFD analysis of microfluidic droplet formation in non-Newtonian liquidA three-dimensional, volume-of-fluid (VOF) based CFD model is presented to investigate droplet formation in a microfluidic T-junction. Genesis of Newtonian droplets in non-Newtonian liquid is…Somasekhara Goud Sontti, Arnab Atta·Oct 8, 2025SaveLearn
CFD Analysis of Taylor Bubble in a Co-Flow Microchannel with Newtonian and Non-Newtonian LiquidWe present a CFD based model to understand the Taylor bubble behavior in Newtonian and non-Newtonian liquids flowing through a confined co-flow microchannel. Systematic investigation is carried out…Somasekhara Goud Sontti, Arnab Atta·Oct 8, 2025SaveLearn
Elasto-viscous regime in coalescence of viscoelastic dropletsWe report a regime transition in the coalescence of concentrated polymeric droplets in a pendant-pendant configuration. While Newtonian droplet coalescence has been extensively studied with distinct…Pallavi Katre, Bimalendu Mahapatra, Manaswita Karmakar et al.·Oct 8, 2025SaveLearn
Stability of vortex lattices in rotating flowsVortex lattices -- highly ordered arrays of vortices -- are known to arise in quantum systems such as type II superconductors and Bose-Einstein condensates. More recently, similar arrangements have…Julián Amette Estrada, Alexandros Alexakis, Marc E. Brachet et al.·Oct 7, 2025SaveLearn
Effect of viscoelasticity on electrohydrodynamic drop deformationThe impact of viscoelasticity on drop deformation in the presence of an electric field is investigated using both analytical and numerical methods. The study focuses on two configurations: a…Santanu Kumar Das, Sarika Shivaji Bangar, Amaresh Dalal et al.·Oct 7, 2025SaveLearn
Quantum Lattice Boltzmann Method for Multiple Time Steps Without Reinitialization for Linear Advection-Diffusion ProblemsTo simulate highly-resolved flow fields, we extend the Quantum Lattice Boltzmann Method (QLBM) to be able to simulate multiple time steps without state extraction or reinitialization. We adjust and…Aaron Nagel, Johannes Löwe·Oct 7, 2025SaveLearn
Radially weighted Backus- and Childress-type bounds for spherical dynamosIn MHD dynamo theory well-known necessary criteria for dynamo action are formulated in terms of lower bounds either on the maximum modulus of the velocity field (Childress-type) or the maximum strain…Ralf Kaiser, Andreas Tilgner·Oct 7, 2025SaveLearn
Spectrum of the Curl of Vorticity as a Precursor to Dissipation in 3D Taylor--Green TurbulencePredicting when a three-dimensional turbulent flow reaches its dissipation peak is essential for both theory and adaptive algorithms in simulations and experiments. Using direct numerical simulations…Satori Tsuzuki·Oct 7, 2025SaveLearn
Transient almost-invariant sets reveal convective heat transfer patterns in plane-layer Rayleigh-B\'enard convectionHorizontally extended plane-layer convection flows are characterized by characteristic patterns of turbulent heat transfer due to the convective fluid motion consisting of a nearly-regular ridge…Aleksandar Badza, Gary Froyland, Roshan J. Samuel et al.·Oct 7, 2025SaveLearn
Viscosity and dynamic surface tension measurement: A guideline for appropriate measurementDynamic surface tension measurements play a critical role in interfacial activities for liquids with varying viscosities. Understanding the rate at which the interface attains the equilibrium, for…Vivek Kumar, JSM Quintero, Aleksey Baldygin et al.·Oct 7, 2025SaveLearn
Turbulence Closure in RANS and Flow Inference around a Cylinder using PINNs and Sparse Experimental DataTraditional Reynolds-averaged Navier-Stokes (RANS) closures, based on the Boussinesq eddy viscosity hypothesis and calibrated on canonical flows, often yield inaccurate predictions of both mean flow…Z. Zhang, K. Shukla, Z. Wang et al.·Oct 7, 2025SaveLearn
Global non-equilibrium thermodynamics of stationary states applied to the Rayleigh-B\'enard convectionClassical thermodynamics describes physical systems in thermodynamic equilibrium, characterized in particular by the absence of macroscopic motion. Global non-equilibrium thermodynamics extends this…Robert Hołyst, Paweł Jan Żuk, Konrad Giżyński et al.·Oct 6, 2025SaveLearn
Frozen states in shear-induced coagulation: When history mattersWe discover a frozen state in decaying turbulent coagulation where the moment ratio MC stabilizes at 4.5, defying the theoretical prediction of 2 for homogeneous systems. This persistent state…Mingliang Xie·Oct 6, 2025SaveLearn
Flow Development in the Entrance Region of Slender Converging PipesThis work presents an analytical investigation of the hydrodynamic entrance region in laminar flows through slender converging pipes. Extending previous analyses for straight pipes, the model…Vinicius Maron Sauer·Oct 6, 2025SaveLearn
Wind Farm Dynamics over a Diurnal Cycle: Analysis of a Comprehensive Large Eddy Simulation, Web-Services Accessible DatasetThe atmospheric boundary layer undergoes significant changes throughout a diurnal cycle, affecting wind turbine performance and wakes in wind farms. Wind farm Large Eddy Simulations (LES) under such…Shuolin Xiao, Xiaowei Zhu, Ghanesh Narasimhan et al.·Oct 6, 2025SaveLearn
Comment on "Physical significance of artificial numerical noise in direct numerical simulation of turbulence"Recently, Liao and Qin [J. Fluid Mech. 1008, R2 (2025)] claimed that numerical noise in direct numerical simulation of turbulence using the deterministic Navier-Stokes equations is "approximately…Ryan M. McMullen, Michael A. Gallis, Ishan Srivastava et al.·Oct 6, 2025SaveLearn
Trends in porous media laboratory imaging and open science practicesUnderstanding processes in porous media is fundamental to a broad spectrum of environmental, energy, and geoscience applications. These processes include multiphase fluid transport, interfacial…Na Liu, Jakub Wiktor Both, Geir Ersland et al.·Oct 6, 2025SaveLearn
Stability of surfactant-laden double-layered viscoelastic fluids flowing over an inclined planeThe linear dynamics and instability mechanisms of double-layered weakly viscoelastic fluid flowing over an inclined plane are analyzed in the presence of insoluble surfactant at both the free surface…Md. Mouzakkir Hossain, Mohamin B. M. Khan, Youchuang Chao·Oct 5, 2025SaveLearn
Consistent kinetic modeling of compressible flows with variable Prandtl numbers: Double-distribution quasi-equilibrium approachA consistent kinetic modeling and discretization strategy for compressible flows across all Prandtl numbers and specific heat ratios is developed using the quasi-equilibrium approach within two of…R. M. Strässle, S. A. Hosseini, I. V. Karlin·Oct 5, 2025SaveLearn
Dynamics of small bubbles in turbulence in non-dilute conditionsTurbulent flows laden with small bubbles are ubiquitous in many natural and industrial environments. From the point of view of numerical modeling, to be able to handle a very large number of small…Xander M. de Wit, Hessel J. Adelerhof, André Freitas et al.·Oct 4, 2025SaveLearn
Rational Compact Modeling of Transient Forced Laminar ConvectionAlthough transient convection is ubiquitous in natural and manmade phenomena, few research works attempted to make a compact model for it, altogether, others attempted a compact model that…M. N. Sabry, A. E. Hussin·Oct 3, 2025SaveLearn
Nonmodal growth and optimal perturbations in magnetohydrodynamic shear flowsIn astrophysical shear flows, the Kelvin-Helmholtz (KH) instability is generally suppressed by magnetic tension provided a sufficiently strong streamwise magnetic field. This is often used to infer…Adrian E. Fraser, Alexis K. Kaminski, Jeffrey S. Oishi·Oct 3, 2025SaveLearn
Assessment of Hybrid RANS-LES and WALE Formulations for Wake and Resistance Prediction of the BB2 SubmarineSubmarine hydrodynamics presents unique challenges in accurately predicting flow separation, wake structure, and resistance due to complex geometry and turbulent behaviour at high Reynolds (Re)…Noh Zainal Abidin, Frederic Grondin, Pol Muller et al.·Oct 3, 2025SaveLearn
oRANS: Online optimisation of RANS machine learning models with embedded DNS data generationDeep learning (DL) has demonstrated promise for accelerating and enhancing the accuracy of flow physics simulations, but progress is constrained by the scarcity of high-fidelity training data, which…Daniel Dehtyriov, Jonathan F. MacArt, Justin Sirignano·Oct 3, 2025SaveLearn