A Scalable Methodology for Reinstating the Superhydrophilicity of Ambient-Contaminant Compromised SurfacesThe degradation of the hemi-wicking property of superhydrophilic high-energy surfaces due to contaminant adsorption from the ambient atmosphere is well documented. This degradation compromises the…Ilias Papailias, Arani Mukhopadhyay, Anish Pal et al.·Apr 20, 2025SaveLearn
Optimal Lattice Boltzmann Closures through Multi-Agent Reinforcement LearningThe Lattice Boltzmann method (LBM) offers a powerful and versatile approach to simulating diverse hydrodynamic phenomena, spanning microfluidics to aerodynamics. The vast range of spatiotemporal…Paul Fischer, Sebastian Kaltenbach, Sergey Litvinov et al.·Apr 19, 2025SaveLearn
Transitions of breakup regimes for viscous droplets in airflowDroplet breakup is important in many natural and industrial processes, but the current classification of breakup regimes, especially the intermediate breakup regime, is ambiguous. In this study, the…Zhikun Xu, Tianyou Wang, Zhizhao Che·Apr 19, 2025SaveLearn
Mist formation during micro-explosion of emulsion dropletsThe micro-explosion of emulsion droplets plays an important role in promoting atomization, improving combustion efficiency, and reducing pollutant emissions. In this experimental study of the…Houpeng Zhang, Zhen Lu, Tianyou Wang et al.·Apr 19, 2025SaveLearn
Growth of Elongated Vapor Bubbles During Flow Boiling Heat Transfer in Wavy MicrochannelsFlow boiling within microchannels is an efficient heat removal mechanism by utilizing the latent heat of the fluid. Numerical simulations can resolve the small temporal and spatial scales of the…Odumuyiwa A. Odumosu, Huashi Xu, Tianyou Wang et al.·Apr 19, 2025SaveLearn
Demonstration of the rotational viscosity transfer across scales in Navier-Stokes turbulenceMechanical effects that span multiple physical scales -- such as the influence of vanishing molecular viscosity on large-scale flow structures under specific conditions -- play a critical role in…Satori Tsuzuki·Apr 19, 2025SaveLearn
A thermodynamically consistent and robust four-equation model for multi-phase multi-component compressible flows using ENO-type schemes including interface regularizationIn this work, a concise and robust computational framework is proposed to simulate compressible multi-phase multi-component flows. To handle both shocks and material interfaces, a…Henry Collis, Deniz A. Bezgin, Shahab Mirjalili et al.·Apr 18, 2025SaveLearn
JANC: A cost-effective, differentiable compressible reacting flow solver featured with JAX-based adaptive mesh refinementThe compressible reacting flow numerical solver is an essential tool in the study of combustion, energy disciplines, as well as in the design of industrial power and propulsion devices. We have…Haocheng Wen, Faxuan Luo, Sheng Xu et al.·Apr 18, 2025SaveLearn
Micromagnetorotation effects in micropolar magnetohydrodynamic blood flow through stenosisThis study presents a numerical investigation of a 3D micropolar magnetohydrodynamic (MHD) blood flow through stenosis, with and without the effects of micromagnetorotation (MMR). MMR refers to the…Kyriaki-Evangelia Aslani, Ioannis E. Sarris, Efstratios Tzirtzilakis·Apr 18, 2025SaveLearn
Flow past a fixed spherical droplet: breaking of axisymmetry by an internal flow bifurcationDirect numerical simulations of a uniform flow past a fixed spherical droplet are performed to determine the parameter range within which the axisymmetric flow becomes unstable. The problem is…Pengyu Shi, Éric Climent, Dominique Legendre·Apr 18, 2025SaveLearn
Energy Minimization in Fluid Flow through Tubes and Networks of Various GeometriesIn this paper we continue our previous investigation about energy minimization in the flow of fluids through tubes and networks of interconnected tubes of various geometries. We will show that the…Taha Sochi·Apr 18, 2025SaveLearn
Slow uniform flow of a rarefied gas past an infinitely thin circular diskThe classical problem of steady rarefied gas flow past an infinitely thin circular disk is revisited, with particular emphasis on the gas behavior near the disk edge. The uniform flow is assumed to…Takuma Tomita, Satoshi Taguchi, Tetsuro Tsuji·Apr 18, 2025SaveLearn
Harnessing Leading-Edge Vortices for Improved Thrust Performance of Wave-Induced Flapping Foil PropulsorsThis study employs high-fidelity fluid-structure interaction simulations to investigate design optimizations for wave-assisted propulsion (WAP) systems using flapping foils. Building on prior work…Harshal S. Raut, Jung-Hee Seo, Rajat Mittal·Apr 17, 2025SaveLearn
Whither the Zeroth Law of Turbulence?Experimental and numerical studies of incompressible turbulence suggest that the mean dissipation rate of kinetic energy remains constant as the Reynolds number tends to infinity (or the…Kartik P. Iyer, Theodore D. Drivas, Gregory L. Eyink et al.·Apr 17, 2025SaveLearn
Machine-learning-based simulation of turbulent flows over periodic hills using a hybrid U-Net and Fourier neural operator frameworkSimulating massively separated turbulent flows over bodies is one of the major applications for large-eddy simulation (LES). In the current work, we propose a machine-learning-based LES framework for…Yunpeng Wang, Huiyu Yang, Zelong Yuan et al.·Apr 17, 2025SaveLearn
Nonlinear wave dynamics on a chipShallow water waves are a striking example of nonlinear hydrodynamics, giving rise to phenomena such as tsunamis and undular waves. These dynamics are typically studied in hundreds-of-meter-long wave…Matthew T. Reeves, Walter W. Wasserman, Raymond A. Harrison et al.·Apr 17, 2025SaveLearn
An immersed boundary method for particle-resolved simulations of arbitrary-shaped rigid particlesThe present work extends the direct-forcing immersed boundary method introduced by Garc\'ia-Villalba et al. (2023), broadening its application from spherical to arbitrarily-shaped particles, while…Maximilian Schenk, Manuel García-Villalba, Jan Dušek et al.·Apr 17, 2025SaveLearn
Acoustic Analysis of Uneven Blade Spacing and Toroidal Geometry for Reducing Propeller AnnoyanceUnmanned aerial vehicles (UAVs) are becoming more commonly used in populated areas, raising concerns about noise pollution generated from their propellers. This study investigates the acoustic…Nikhil Vijay, Will C. Forte, Ishan Gajjar et al.·Apr 17, 2025SaveLearn
On the range of validity of parabolic models for fluid flow through isotropic homogeneous porous mediaLattice-Boltzmann methods are established mesoscopic numerical schemes for fluid flow, that recover the evolution of macroscopic quantities (viz., velocity and pressure fields) evolving under…Davide Dapelo, Stephan Simonis, Mohaddeseh Mousavi Nezhad et al.·Apr 16, 2025SaveLearn
About the Upstream ContaminationThis study investigates the upward transport of waterborne pollutants from a lower container to an upper container through vertically falling water streams. While previous analyses have primarily…D. Suárez-Fontanella, A. Cabo Montes de Oca·Apr 16, 2025SaveLearn
Computational Exploration of Inclined Magnetic Fields and Variable Thermal Flux Effects on the Flow of Dusty Hybrid Nanofluid around Stretching/Shrinking WedgeThis extensive investigation explores the influence of inclined magnetic fields and radiative non-linear heat flux on the behavior of dusty hybrid nanofluids over stretching/shrinking wedges.…Nimra Muqaddass, Waqar Ahmed Khanb, Fazle Mabood·Apr 16, 2025SaveLearn
Control of Rayleigh-B\'enard Convection: Effectiveness of Reinforcement Learning in the Turbulent RegimeData-driven flow control has significant potential for industry, energy systems, and climate science. In this work, we study the effectiveness of Reinforcement Learning (RL) for reducing convective…Thorben Markmann, Michiel Straat, Sebastian Peitz et al.·Apr 16, 2025SaveLearn
Boundary Effects and Oxygen Deficiency-Driven Pattern Transitions in Algal BioconvectionSuspensions of motile microorganisms can spontaneously form large-scale fluid motion, known as bioconvection, characterized by dense downwelling plumes separated by broad upwelling regions. In this…S. Gore, I. Gholami, S. O. Ahmed et al.·Apr 16, 2025SaveLearn
Pulsatile Magnetized Cu-Al2O3/Casson Blood Flow Through an Elliptical Stenotic Artery for Drug Delivery ApplicationsAmong cardiovascular diseases, atherosclerosis is a primary cause of stenosis, involving the accumulation of plaques in the inner lining of an artery. Inspired by drug delivery applications, the…Nimra Muqaddass, Alessandra Jannelli, Francesco Oliveri·Apr 16, 2025SaveLearn
Sparsity-promoting methods for isolating dominant linear amplification mechanisms in wall-bounded flowsThis work proposes a method to identify and isolate the physical mechanisms that are responsible for linear energy amplification in fluid flows. This is achieved by applying a sparsity-promoting…Scott T. M. Dawson, Jaime Prado Zayas, Barbara Lopez-Doriga·Apr 16, 2025SaveLearn