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
Towards scalable surrogate models based on Neural Fields for large scale aerodynamic simulationsThis paper introduces a novel surrogate modeling framework for aerodynamic applications based on Neural Fields. The proposed approach, MARIO (Modulated Aerodynamic Resolution Invariant Operator),…Giovanni Catalani, Jean Fesquet, Xavier Bertrand et al.·May 14, 2025SaveLearn
Self-scalings of bubble pinch-off and inner jet emitting in a tapered co-flowThis study systematically investigates the formation mechanisms and scaling laws governing sub-millimeter bubble-jet generation in convergent coaxial microchannels. Experimental observations reveal…B. J. Ruan, Z. L. Wang·May 13, 2025SaveLearn
Dynamics of an internally actuated weakly elastic sphere translating parallel to a rigid wallWe analyse the dynamics of a weakly elastic spherical particle translating parallel to a rigid wall in a quiescent Newtonian fluid in the Stokes limit. The particle motion is constrained parallel to…Shashikant Verma, Dinesh B, Navaneeth K Marath·May 13, 2025SaveLearn
Experimental investigation of a novel liquid metal plasma facing component with pre-filled microstructuresRegarding the plasma facing components (PFCs) in nuclear fusion, liquid metal PFCs with stable free surface flow on PFC surface are considered a promising alternative. However, due to the poor…Yi-Jun Wang, Kai-Lun Li, Rui-Zhi Chen et al.·May 13, 2025SaveLearn
Linear instability in planar viscoelastic Taylor-Couette flow with and without explicit polymer diffusionElastic turbulence has been found in computations of planar viscoelastic Taylor-Couette flow using the Oldroyd-B model, apparently generated by a linear instability (van Buel et al. Europhys. Lett.,…Miguel Beneitez, Soufiane Mrini, Rich R. Kerswell·May 13, 2025SaveLearn
A fast and automated approach for urban CFD simulations: integration with meteorological predictions and its application to drone flightsIn past years, several studies have proposed new methods and applications for urban wind simulations. In this article, we present a fast and automatic methodology for reconstructing airflows within…Marcos Suárez-Vázquez, Sylvana Varela Ballesta, Alberto Otero-Cacho et al.·May 13, 2025SaveLearn
Resonance phenomena of thermo-bioconvection generated by chemotactic bacteria under unsteady heat conditionBioconvection is a phenomenon caused by microorganisms with tactic properties. To effectively utilize bioconvection for industrial purposes, it is necessary to find a way to control it. In this…Hideki Yanaoka, Daichi Koizumi·May 13, 2025SaveLearn
Micro-swimmer locomotion and hydrodynamics in Brinkman FlowsMicro-swimmer locomotion in heterogeneous media is increasingly relevant in biological physics due to the prevalence of microorganisms in complex environments. A model for such porous media is the…Francisca Guzman-Lastra, Enkeleida Lushi·May 12, 2025SaveLearn
Energetic consistency and heat transport in Fourier-Galerkin truncations of free slip 3D rotating convectionThis paper examines the effects of energetic consistency in Fourier truncated models of the 3D Boussinesq-Coriolis (BC) equations as a case-study towards improving the realism of convective processes…Jens D. M. Rademacher, Roland Welter·May 12, 2025SaveLearn
Characterisation of temporal aiming for water waves with an anisotropic metabathymetryThe deflection of waves by combining the effects of time modulation with anisotropy has been recently proposed in the context of electromagnetism. In this work, we characterise this phenomenon,…Magdalini Koukouraki, Philippe Petitjeans, Agnès Maurel et al.·May 12, 2025SaveLearn
Modal analysis of oblique shock-induced flow dynamics in a supersonic reacting shear layerEfficient mixing in high-speed compressible flows, crucial for scramjet operation, can be significantly enhanced by shock wave interactions. This study employs Direct Numerical Simulations (DNS) to…Radouan Boukharfane·May 12, 2025SaveLearn
Kolmogorov scaling in bubble-induced turbulenceExperiments using 3D Lagrangian tracking are used to investigate Kolmogorov scaling below the bubble size in bubble-induced turbulence (BIT). Second and third order structure functions reveal…Tian Ma, Shiyong Tan, Rui Ni et al.·May 12, 2025SaveLearn
Spatio-temporal pulse propagation during highly-resolved onset of Rayleigh-Taylor and Kelvin-Helmholtz Rayleigh-Taylor instabilitiesThe present study explores the onset of the Rayleigh-Taylor instability (RTI) and Kelvin-Helmholtz Rayleigh-Taylor instability (KHRTI) with highly-resolved direct numerical simulations of two setups…Bhavna Joshi, Aditi Sengupta, Yassin Ajanif et al.·May 12, 2025SaveLearn
Scaling of wall pressure and the peak of streamwise turbulence intensity in compressible wall flowsThis paper develops scaling laws for wall-pressure root-mean-square (r.m.s.) and the peak of streamwise turbulence intensity, accounting for both variable-property and intrinsic compressibility…Asif Manzoor Hasan, Pedro Costa, Johan Larsson et al.·May 12, 2025SaveLearn
Global Description of Flutter Dynamics via Koopman TheoryThis paper presents a novel parametrization approach for aeroelastic systems utilizing Koopman theory, specifically leveraging the Koopman Bilinear Form (KBF) model. To address the limitations of…Jiwoo Song, Daning Huang·May 11, 2025SaveLearn
Coherence of velocity fluctuations in a turbulent round jetCoherence between the velocity fluctuations measured at two points is investigated in a turbulent jet flow. Coherence is calculated in different regions of the flow by changing the separation between…T. Singla, M. Caelen, F. Pétrélis et al.·May 11, 2025SaveLearn
Sharp front tracking with geometric interface reconstructionThis paper presents a novel sharp front-tracking method designed to address limitations in classical front-tracking approaches, specifically their reliance on smooth interpolation kernels and…Christian Gorges, Fabien Evrard, Robert Chiodi et al.·May 11, 2025SaveLearn
Turbulence-induced anti-Stokes flow: experiments and theoryWe report experimental evidence of an Eulerian-mean flow, u(z), created by the interaction of surface waves and tailored ambient sub-surface turbulence, which partly cancels the Stokes…Simen Å. Ellingsen, Olav Rømcke, Benjamin K. Smeltzer et al.·May 11, 2025SaveLearn
Kinetic framework with consistent hydrodynamics for shallow water equationsWe present a novel discrete velocity kinetic framework to consistently recover the viscous shallow water equations. The proposed model has the following fundamental advantages and novelties: (a) A…S. A. Hosseini, I. V. Karlin·May 10, 2025SaveLearn
Dipole Propagation in Inhomogeneous Strongly Coupled Dusty Plasmas: A Viscoelastic Fluid ApproachThe propagation characteristics of fluid vortices, particularly monopoles and dipoles, in a homogeneous viscoelastic fluid were reported in a recent publication [ Phys. Plasmas 23, 013707 (2016)]. In…Vipul B. Rohit, Vikram S. Dharodi, Sharad K. Yadav·May 10, 2025SaveLearn