Symmetry Breaking in Chemical Systems: Engineering Complexity through Self-Organization and Marangoni FlowsFar from equilibrium, chemical and biological systems can form complex patterns and waves through reaction-diffusion coupling. Fluid motion often interferes with these self-organized concentration…Sangram Gore, Binaya Paudyal, Duarte Rocha et al.·Jun 26, 2024SaveLearn
Modeling and simulations of high-density two-phase flows using projection-based Cahn-Hilliard Navier-Stokes equationsAccurately modeling the dynamics of high-density ratio (O(105)) two-phase flows is important for many material science and manufacturing applications. This work considers numerical…Ali Rabeh, Makrand A. Khanwale, John J. Lee et al.·Jun 25, 2024SaveLearn
On the mechanics of inhaled bronchial transmission of pathogenic microdroplets generated from the upper respiratory tract, with implications for infection onsetCould the microdroplets formed by viscoelastic stretching and break-up of mucosal liquids in the upper respiratory tract (URT), when inhaled further downwind, explain the brisk pace at which deep…Saikat Basu·Jun 25, 2024SaveLearn
Thermocavitation in gold-coated microchannels for needle-free jet injectionContinuous-wave lasers generated bubbles in microfluidic channels are proposed for applications such as needle-free jet injection due to their small size and affordable price of these lasers.…Jelle J. Schoppink, Nicolás Rivera Bueno, David Fernandez Rivas·Jun 25, 2024SaveLearn
Data-Driven Turbulence Modeling Approach for Cold-Wall Hypersonic Boundary LayersWall-cooling effect in hypersonic boundary layers can significantly alter the near-wall turbulence behavior, which is not accurately modeled by traditional RANS turbulence models. To address this…Muhammad I. Zafar, Xuhui Zhou, Christopher J. Roy et al.·Jun 25, 2024SaveLearn
Quantum-Inspired Fluid Simulation of 2D Turbulence with GPU AccelerationTensor network algorithms can efficiently simulate complex quantum many-body systems by utilizing knowledge of their structure and entanglement. These methodologies have been adapted recently for…Leonhard Hölscher, Pooja Rao, Lukas Müller et al.·Jun 25, 2024SaveLearn
Inhomogeneity-induced wavenumber diffusionInertia-gravity waves are scattered by background flows as a result of Doppler shift by a non-uniform velocity. In the WKB regime, the scattering process reduces to a diffusion in spectral space.…Michael R. Cox, Hossein A. Kafiabad, Jacques Vanneste·Jun 24, 2024SaveLearn
Lubrication-mediated rebounds off fluid bathsWe present herein the derivation of a lubrication-mediated (LM) quasi-potential model for droplet rebounds off deep liquid baths, assuming the presence of a persistent dynamic air layer which acts as…Katie A Phillips, Paul A Milewski·Jun 24, 2024SaveLearn
Modelling two-dimensional droplet rebound off deep fluid bathsIn order for a droplet to rebound rather than coalesce with a liquid bath, a layer of gas must persist throughout the impact. This gas, typically an air layer acts as a lubricant to the system and…Katie A Phillips, Radu Cimpeanu, Paul A Milewski·Jun 24, 2024SaveLearn
Analysis of surface tension in terms of force gradient per unit area -- Part I : a thought experiment using the principle of equivalence in fluid mechanicsConventionally, surface tension is expressed as a force per unit length or as an energy per unit area. In this paper, we propose a thought experiment that consists of replacing the surface tension…Andre Schiltz·Jun 24, 2024SaveLearn
Experimental investigation of exit dynamics of a circular cylinder out of water and silicone oilExperimental investigations of the exit dynamics of a horizontal cylindrical object were performed in water and silicone oil (50 cSt). The fully immersed cylinder was initially at rest in a still…Intesaaf Ashraf, Lionel Vincent, Romain Falla et al.·Jun 24, 2024SaveLearn
Dissipative Particle Dynamics and other particle methods for multiphase fluid flow in fractured and porous mediaParticle methods are less computationally efficient than grid based numerical solution of the Navier Stokes equation. However, they have important advantages including rigorous mass conservation,…Paul Meakin, Zhijie Xu·Jun 23, 2024SaveLearn
Thermally-operating regimes for a three-layer liquid metal batteryThermally-operating regimes of a three-layer liquid metal battery are determined in terms of the aspect ratio. The heat exchange between the battery container and the environment is taken into…Riyad Hassaine, Olivier Crumeyrolle, Innocent Mutabazi·Jun 23, 2024SaveLearn
Improving Computational Efficiency in DSMC Simulations of Vacuum Gas Dynamics with a Fixed Number of Particles per CellThe present study addresses the challenge of enhancing computational efficiency without compromising accuracy in numerical simulations of vacuum gas dynamics using the direct simulation Monte Carlo…Moslem Sabouri, Ramin Zakeri, Amin Ebrahimi·Jun 22, 2024SaveLearn
Evaluating Joule heating influence on heat transfer and entropy generation in MHD channel flow: A parametric study and ill-posed problem solution using PINNsIn this study the effects of Joule heating parameter on entropy generation and heat transfer in MHD flow inside a channel is investigated by means of Physics-Informed Neural Networks (PINNs) in form…Ehsan Ghaderi, MohammadAli Bijarchi, Siamak Kazemzadeh Hannani et al.·Jun 22, 2024SaveLearn
Direction Symmetry of Wave Field Modulation by Tidal CurrentTheoretical studies on the modulation of unidimensional regular waves over a flat bottom due to a current typically assign an asymmetry between the effects of opposing/following streams on the…Ina Teutsch, Saulo Mendes, Jerome Kasparian·Jun 22, 2024SaveLearn
Active and inactive contributions to the wall pressure and wall-shear stress in turbulent boundary layersA phenomenological description is presented to explain the intermediate and low-frequency/large-scale contributions to the wall-shear-stress (τw) and wall-pressure (pw) spectra of…Rahul Deshpande, Ricardo Vinuesa, Joseph Klewicki et al.·Jun 22, 2024SaveLearn
CFD-DEM study of mixing in a monodispersed solid-liquid fluidized bedIn this work, we assess the internal dynamics of particles in liquid-solid fluidized beds using an unresolved CFD-DEM model. We use the Nearest Neighbors Method (NNM) and the mixing index based on…Victor Oliveira Ferreira, Bruno Blais, Gabriela Cantarelli Lopes·Jun 21, 2024SaveLearn
Data-driven Aeroelastic Analyses of Structures in Turbulent Wind Conditions using Enhanced Gaussian Processes with Aerodynamic PriorsRecent advancements in data-driven aeroelasticity have been driven by the wealth of data available in the wind engineering practice, especially in modeling aerodynamic forces. Despite progress,…Igor Kavrakov, Guido Morgenthal, Allan McRobie·Jun 21, 2024SaveLearn
Stabilising nonlinear travelling waves in pipe flow using time-delayed feedbackWe demonstrate the first successful non-invasive stabilisation of nonlinear travelling waves in a straight cylindrical pipe using time-delayed feedback control (TDF) working in various symmetry…Tatsuya Yasuda, Dan Lucas·Jun 21, 2024SaveLearn
Modular and Extendable 1D-Simulation for Microfluidic DevicesMicrofluidic devices have been the subject of considerable attention in recent years. The development of novel microfluidic devices, their evaluation, and their validation requires simulations. While…Maria Emmerich, Florina Costamoling, Robert Wille·Jun 21, 2024SaveLearn
Drag reduction in surfactant-contaminated superhydrophobic channels at high P\'eclet numbersMotivated by microfluidic applications, we investigate drag reduction in laminar pressure-driven flows in channels with streamwise-periodic superhydrophobic surfaces (SHSs) contaminated with soluble…Samuel D. Tomlinson, Frédéric Gibou, Paolo Luzzatto-Fegiz et al.·Jun 21, 2024SaveLearn
A thick reaction zone model for premixed flames in two-dimensional channelsDirect interactions between the flow field and the chemical reaction in premixed flames occur when the reaction zone thickness is comparable to, or greater than flow length scales. To study such…Prabakaran Rajamanickam, Joel Daou·Jun 21, 2024SaveLearn
A note on viscous flow induced by half-line sources bounded by conical surfacesIn this paper axisymmetric solutions of the Navier-Stokes equations governing the flow induced by a half-line source when the fluid domain is bounded by a conical wall are discussed. Two types of…Prabakaran Rajamanickam, Adam D. Weiss·Jun 21, 2024SaveLearn
Dispersion of solute in straining flows and boundary layersSolute dispersion due to an instantaneously released source in steady, laminar, axisymmetric flows with an axial inflow and radial outflow is investigated analytically. Attention is given to…Prabakaran Rajamanickam·Jun 21, 2024SaveLearn