Probabilistic description of flake orientation suspended in rotating wave flowsIn fluid dynamics experiments, flake-based flow visualization is a common technique to capture flow structures through the rays reflected from flat tracers suspended in the fluid. However, the…Tomoaki Itano, Isshin Arai·May 18, 2025SaveLearn
CLIP: A CUDA-Accelerated Lattice Boltzmann Framework for Interfacial Phenomena with Application to Liquid Jet SimulationsThis work introduces CLIP, a CUDA-accelerated phase-field lattice Boltzmann framework for simulating immiscible two-phase flows with high density and viscosity ratios in both two- and…Mehdi Shadkhah, Mohammad Taeibi Rahni, Azadeh Kebriaee et al.·May 18, 2025SaveLearn
Evolution of perturbed long nonlinear plane, ring and hybrid surface wavesThe two-dimensional evolution of perturbed long weakly-nonlinear surface plane, ring, and hybrid waves, consisting, to leading order, of a part of a ring and two tangent plane waves, is modelled…Benjamin Martin, Dmitri Tseluiko, Karima Khusnutdinova·May 17, 2025SaveLearn
Uncertainty and Error Quantification for Data-Driven Reynolds-Averaged Turbulence Modelling with Mean-Variance Estimation NetworksAmid growing interest in machine learning, numerous data-driven models have recently been developed for Reynolds-averaged turbulence modelling. However, their results generally show that they do not…Anthony Man, Mohammad Jadidi, Amir Keshmiri et al.·May 17, 2025SaveLearn
Theoretical framework for designing phase change material systemsPhase change materials (PCMs) hold considerable promise for thermal energy storage applications. However, designing a PCM system to meet specific performance presents a formidable challenge, given…Min Li, Lailai Zhu·May 17, 2025SaveLearn
Upstream history quantification and scale-decomposed energy analysis for weak-to-strong adverse-pressure-gradient turbulent boundary layersThe present study delineates the effects of pressure gradient history and local disequilibration on the small and large-scale energy in turbulent boundary layers (TBLs) imposed with a broad range of…Atharva Mahajan, Rahul Deshpande, Taygun R. Gungor et al.·May 17, 2025SaveLearn
State-dependent convergence of Galerkin-based reduced-order models for Couette flowIn this study, we explore the effect of basis functions on the performance and convergence of the Galerkin projection-based reduced-order model (ROM) in the minimal flow unit of Couette flow. POD…Zilin Zong, Igor Maia, André Cavalieri et al.·May 16, 2025SaveLearn
Taylor dispersion of bubble swarms rising in quiescent liquidWe study the dispersion of bubble swarms rising in initially quiescent water using 3D Lagrangian tracking of deformable bubbles and tracer particles in an octagonal bubble column. First, we compare…Guangyuan Huang, Hendrik Hessenkemper, Shiyong Tan et al.·May 16, 2025SaveLearn
Solute mixing in porous media with dispersion and buoyancyWe analyse the process of convective mixing in two-dimensional, homogeneous and isotropic porous media with dispersion. We considered a Rayleigh-Taylor instability in which the presence of a solute…Marco De Paoli, Guru Sreevanshu Yerragolam, Roberto Verzicco et al.·May 16, 2025SaveLearn
Nonlinear Three-Dimensional Electrohydrodynamic Interactions of Viscous Dielectric DropsWhen a drop of a leaky dielectric fluid is suspended in another fluid and subjected to a uniform DC electric field, it becomes polarized, leading to tangential electric stresses that drive fluid…Michael A. McDougall, Stephen K. Wilson, Debasish Das·May 16, 2025SaveLearn
Measurement of viscoelastic properties of a liquid using an immersed rotating body of a general shape subjected to oscillatory shearWe propose a novel method for measuring linear and non-linear viscoelastic properties of a liquid by the oscillatory motion of an immersed rotating body in a vessel. The shape of a rotating object is…Hye Jin Ahn, Wook Ryol Hwang·May 16, 2025SaveLearn
A Physics-Informed Spatiotemporal Deep Learning Framework for Turbulent SystemsFluid thermodynamics underpins atmospheric dynamics, climate science, industrial applications, and energy systems. However, direct numerical simulations (DNS) of such systems can be computationally…Luca Menicali, Andrew Grace, David H. Richter et al.·May 16, 2025SaveLearn
Local volume-conserving lattice Boltzmann model for incompressible multiphase flowsThe Cahn-Hilliard (C-H) equation, as a classical diffusion-interface method of phase-field, has been extensively employed for simulating two-phase fluid dynamics. However, it suffers from a key…Fang Xiong, Lei Wang, Xinyue Liu·May 16, 2025SaveLearn
Simulating fluid-fluid displacement in a soft capillary tube: How compliance delays interfacial instability and bubble pinch-offThe displacement of a more viscous fluid by a less viscous immiscible fluid in confined geometries is a fundamental problem in multiphase flows. Recent experiments have shown that such fluid-fluid…Sthavishtha R. Bhopalam, Ruben Juanes, Hector Gomez·May 16, 2025SaveLearn
Tracking Brownian fluid particles in large eddy simulationsIn this paper, we propose an approach for simulating wall-bounded incompressible turbulent flows by integrating the technology of random vortex method with the core principles of large-eddy…Zihao Guo, Zhongmin Qian·May 16, 2025SaveLearn
Oil slicks dynamics in semi-confined geometries in the presence of water waves: analytical and numerical insightsWe have shown previously that the dynamics of isolated oil slicks on the water's surface after spills is significantly influenced by surface-wave motion practically at the onset of the spreading…Hanan Hozan, Mike Baines, Alex Lukyanov·May 15, 2025SaveLearn
Inertial effects on fluid flow through low-porosity mediaWe investigated the nonlinear effects of gravity-driven fluid flow through a two-dimensional, low-porosity, packed bed of stubby stone grains. We focused on preferential channel formation,…Sahrish Batool Naqvi, Damian Śnieżek, Dawid Strzelczyk et al.·May 15, 2025SaveLearn
Spatial Features of Reynolds-Stress Carrying Structures in Turbulent Boundary Layers with Pressure GradientWe investigate the Reynolds-shear-stress carrying structures in the outer layer of non-equilibrium pressure-gradient turbulent boundary layers using four direct numerical simulation databases, two…M. Ali Yesildag, Taygun R. Gungor, Ayse G. Gungor et al.·May 15, 2025SaveLearn
Extension of the consistent δ+-SPH model for multiphase flows considering the compressibility of different phasesIn hydrodynamic problems involving wave impact on structures, air compressibility is crucial for accurate pressure prediction when an air bubble is entrapped. In this work, the consistent…Xiao-Ting Huang, Peng-Nan Sun, Hong-Guan Lyu et al.·May 15, 2025SaveLearn
Numerical Analysis of Pure and Blended Fuel Sonic Jets in a Mach 2 CrossflowThe injection of transverse jets into supersonic compressible crossflows represents a fundamental configuration relevant to a spectrum of high-speed applications. The intricate interactions arising…Radouan Boukharfane·May 15, 2025SaveLearn
The role of porosity in the transition to inertial regime in porous media flowsIn this work, we investigate the fundamental physical mechanism of the transition from Darcy to inertial (Darcy-Forchheimer) regime in steady-state flows through porous media, with the focus on…Dawid Strzelczyk, Gregor Kosec, Maciej Matyka·May 15, 2025SaveLearn
The three effects of the pressure force on turbulent boundary layersThis study aims to isolate the three effects of the pressure force on the inner and outer layers: the local direct impact (characterized by the pressure gradient (PG) parameter, β), the local…Taygun Recep Gungor, Ayse Gul Gungor, Yvan Maciel·May 15, 2025SaveLearn
Impulse-driven transport of liquid metal from z-pinch electrodes and implications for fusion fuel contaminationThe Liquid Electrode eXperiment is a surrogate environment to study the dynamic behavior of liquid metal plasma facing components relevant to a z-pinch device. Current pulses with amplitudes between…Daniel P. Weber, Colin S. Adams·May 15, 2025SaveLearn
Atwood effects on nonlocality of the scalar transport closure in three-dimensional Rayleigh-Taylor mixingThe importance of nonlocality is assessed in modeling mean scalar transport for turbulent Rayleigh-Taylor (RT) mixing at different Atwood numbers. Building on the two-dimensional incompressible work…Dana Lynn Ona-Lansigan Lavacot, Ali Mani, Brandon E. Morgan·May 14, 2025SaveLearn
Intermittent fluctuations determine the nature of chaos in turbulenceWe adapt recent ideas for many-body chaos in nonlinear, Hamiltonian fluids [Murugan et al., Phys. Rev. Lett. 127, 124501 (2021)] to revisit the question of the Reynolds number Re dependence…Aikya Banerjee, Ritwik Mukherjee, Sugan Durai Murugan et al.·May 14, 2025SaveLearn