Full-field rheo-optical analysis of wormlike and networked micellar structures under uniaxial extensional flowThe present study proposes a novel full-field extensional rheo-optical technique to investigate the relationship between the rheological properties and internal structural deformation of complex…Masakazu Muto, Naoki Kako, Tatsuya Yoshino et al.·Jul 21, 2025SaveLearn
Reduced Subgrid Scale Terms in Three-Dimensional TurbulenceLarge eddy simulation (LES) has become a central technique for simulating turbulent flows in engineering and applied sciences, offering a compromise between accuracy and computational cost by…Rik Hoekstra, Wouter Edeling·Jul 21, 2025SaveLearn
Breakup cascade in gas filamentDespite its importance in both geophysical and industrial contexts, the inertial fragmentation of gas filaments has received much less attention than their liquid counterparts. Yet, gas filaments…Aliénor Rivière, Zehua Liu, Jishen Zhang et al.·Jul 21, 2025SaveLearn
A numerical investigation of sweep effects on turbulent flow over iced wingsThis study employs an improved delayed detached eddy simulation (AMD-IDDES) method to investigate the flow characteristics of an iced swept wing. The AMD-IDDES approach incorporates an anisotropic…Ziyu Zhou, Maochao Xiao, Jiawei Chen et al.·Jul 21, 2025SaveLearn
Wall Wettability Control of Cavitation Patterns and StabilityThis study investigates the role of wall wettability, characterized by the wall contact angle (WCA), in controlling cavitation dynamics and stability around a Clark Y hydrofoil. High-fidelity Large…Parisa Tayerani, Mahmood Mousavi, Mahmoud Pasandidehfard et al.·Jul 20, 2025SaveLearn
Statistical state dynamics based study of turbulent Eady fronts. Part 2. Finite amplitude equilibriaStreamwise roll circulations commonly observed in frontal regions are primary agents of momentum and tracer transport in the planetary boundary layer (PBL) both in the atmosphere and ocean.…Eojin Kim, Brian F. Farrell·Jul 20, 2025SaveLearn
Anisotropy of emergent large-scale dynamics in forced stratified shear flowsAlthough stably stratified shear flows, where the base velocity shear is quasi-continuously forced externally, arise in many geophysically and environmentally relevant circumstances, the emergent…Philipp P Vieweg, Colm-cille P Caulfield·Jul 20, 2025SaveLearn
An Objective Measure of UnsteadinessUnsteadiness lies at the heart of turbulent fluid dynamics, eddy formation and instabilities in flows thus making it central to both understanding and controlling fluid systems. In this work, we…Florian Kogelbauer, Tiemo Pedergnana·Jul 20, 2025SaveLearn
A three-dimensional scanning stereoscopic particle image velocimetry for large-volume liquid flowsWe introduce a Scanning Stereoscopic Particle Image velocimetry~(SSPIV) system which incorporates a thin rotating prism to obtain three-dimensional velocity fields in a large cubical measurement…Paul van der Plas, Yutian He, Varghese Mathai·Jul 19, 2025SaveLearn
Wave-Particle Turbulence Simulation of Spatially Developing Round Jets: Turbulent Flow Modeling and Method ValidationSpatially developing round jet flows are fundamental to numerous engineering applications. This letter applies the wave-particle turbulence simulation (WPTS) method, a recently developed multiscale…Xiaojian Yang, Kun Xu·Jul 19, 2025SaveLearn
Numerical investigation of wake dynamics and heat transfer in MHD flows around confined triangular prismsThis study numerically investigates the flow evolution and heat transfer characteristics of an electrically conducting fluid over triangular prisms confined between two parallel plates with a heated…Amulya Sai Akkaladevi, Prabhat Kumar, Sachidananda Behera·Jul 19, 2025SaveLearn
Dynamics of evaporating, interconnected dropletsWe report on the dynamics of a pair of sessile droplets that are connected by a microchannel, yet open to the atmosphere and hence free to evaporate. Our results reveal that fluid exchange between…Chenyang Ren, Sri Ganesh Subramanian, Shresht Jain et al.·Jul 18, 2025SaveLearn
A predictive model for bubble-particle collisions in turbulenceThe modelling of bubble-particle collisions is crucial to improving the efficiency of industrial processes such as froth flotation. Although such systems usually have turbulent flows and the bubbles…Timothy T. K. Chan, Linfeng Jiang, Dominik Krug·Jul 18, 2025SaveLearn
Multi-fidelity Ensemble Kalman Filter algorithms enhanced by Convolutional Neural NetworksThe present research work proposes advancement for Data Assimilation strategies using Convolutional Neural Networks (CNN). More precisely, multi-fidelity and multi-level algorithms for the Ensemble…Tom Moussie, Paolo Errante, Marcello Meldi·Jul 18, 2025SaveLearn
Thin filaments in Hele-Shaw cellsUsing a recently derived filament model, the stability of fluid filaments in Hele-Shaw cells, driven by a constant pressure gradient, is studied. It is found that thin circular filaments grow if…Nitay Ben-Shachar, Michael C. Dallaston, Scott W. McCue·Jul 17, 2025SaveLearn
Impact of Spinning Droplets onto Superhydrophobic Surfaces: Asymmetric Tumbling Rapid ReboundThe impact dynamics of spinning droplets onto superhydrophobic surfaces was studied by using Volume-of-Fluid simulations, covering broad ranges of Weber number (We) and dimensionless angular…Jinyang Wang, Feifei Jia, Xiaoyun Peng et al.·Jul 17, 2025SaveLearn
Unraveling Self-Similar Energy Transfer Dynamics: a Case Study for 1D Burgers SystemIn this work we consider the problem of constructing initial conditions for a flow model such that the resulting flow evolution leads to a self-similar energy cascade consistent with Kolmogorov's…Pritpal Matharu, Bartosz Protas, Tsuyoshi Yoneda·Jul 17, 2025SaveLearn
Enhancing wall-to-wall heat transport with unsteady flow perturbationsWe determine unsteady flow perturbations that are optimal for enhancing the rate of heat transfer between hot and cold walls (i.e. the Nusselt number Nu), under the constraint of fixed flow power…Silas Alben, Xiaojia Wang, Nicole Vuong·Jul 16, 2025SaveLearn
Data-driven modeling of a settling sphere in a quiescent mediumWe develop data-driven models to predict the dynamics of a freely settling sphere in a quiescent Newtonian fluid using experimentally obtained trajectories. Particle tracking velocimetry was used to…Haoyu Wang, Isaac J. G. Lewis, Soohyeon Kang et al.·Jul 16, 2025SaveLearn
Effect of a downstream vertical wall on the rise regime of an isolated bubble: an experimental studyThis work experimentally investigates deformable nitrogen bubbles rising in ultrapure water and interacting with a vertical wall, focusing on how this downstream boundary alters their dynamics, an…T. González-Rubio, A. Rubio, R. Bolaños-Jiménez et al.·Jul 16, 2025SaveLearn
High-throughput controlled droplets generation through a flow-focusing microchannel in shear-thinning fluidsThis study presents a three-dimensional transient computational fluid dynamics simulation of droplet generation in a flow-focusing microfluidic device using the Coupled Level Set and Volume of Fluid…Manohar Jammula, Somasekhara Goud Sontti·Jul 16, 2025SaveLearn
Numerical analysis of controlled droplet formation surrounded by shear-thinning fluid in a co-flow microfluidic deviceIn this work, we used a coupled level set and volume of fluid (CLSVOF) computational method for studying the generation of microdroplets in a two dimensional circular co-flow microfluidic device. The…Manohar Jammula, Somasekhara Goud Sontti·Jul 16, 2025SaveLearn
Low-dimensional multiscale dynamics of intermittent reversals in turbulent Rayleigh-Benard convectionWe investigate whether a strongly turbulent flow with intermittent large-scale reorganizations admits a compact state-space description. As a representative high-dimensional chaotic system we…Qiwei Chen, C. Ricardo Constante-Amores·Jul 16, 2025SaveLearn
Clean numerical simulation (CNS) of three-dimensional turbulent Kolmogorov flowTurbulence holds immense importance across various scientific and engineering disciplines. The direct numerical simulation (DNS) of turbulence proposed by Orszag in 1970 is a milestone in fluid…Shijie Qin, Shijun Liao·Jul 15, 2025SaveLearn
Scaling Laws for Caudal Fin Swimmers Incorporating Hydrodynamics, Kinematics, Morphology, and Scale EffectsMany species of fish, as well as biorobotic underwater vehicles, employ body caudal fin propulsion, in which a wave-like body motion culminates in high-amplitude caudal fin oscillations to generate…Jung Hee Seo, Ji Zhou, Rajat Mittal·Jul 15, 2025SaveLearn