Temperature and pressure jump coefficients at a liquid-vapor interfaceThe temperature and pressure jump coefficients at a liquid-vapor interface are calculated from the solution of the Shakhov kinetic model for the linearized Boltzmann equation. Complete and partial…Denize Kalempa, Irina Graur·Jun 2, 2024SaveLearn
Fluids flow in granular aggregate packings reconstructed by high-energy X-ray computed tomography and lattice Boltzmann methodProperties of fluids flow in granular aggregates are important for the design of pervious infrastructures used to alleviate urban water-logging problems. Here in this work, five groups of aggregates…Qifeng Lyu, Anguo Chen, Jie Jia et al.·Jun 2, 2024SaveLearn
Discovering an interpretable mathematical expression for a full wind-turbine wake with artificial intelligence enhanced symbolic regressionThe rapid expansion of wind power worldwide underscores the critical significance of engineering-focused analytical wake models in both the design and operation of wind farms. These…Ding Wang, Yuntian Chen, Shiyi Chen·Jun 2, 2024SaveLearn
Linear dynamics of over-expanded annular supersonic jetsThis article delves into the dynamics of inviscid annular supersonic jets, akin to those exiting converging-diverging nozzles in over-expanded regimes. It focuses on the first azimuthal Fourier mode…Vincent Jaunet, Guillaume Lehnasch·Jun 2, 2024SaveLearn
The role of coherent airflow structures on the incipient aeolian entrainment of coarse particlesThe role of coherent airflow structures capable of setting gravel-size particles in motion is studied theoretically and experimentally. Specifically, a micromechanical model based on energy…Xiao-Hu Zhao, Manousos Valyrakis, Thomas Pähtz et al.·Jun 2, 2024SaveLearn
Active particle motion in Poiseuille flow through rectangular channelsWe investigate the dynamics of a point-like active particle suspended in fluid flow through a straight channel. For this particle-fluid system, we derive a constant of motion for a general…Rahil N. Valani, Brendan Harding, Yvonne M. Stokes·Jun 2, 2024SaveLearn
Evolution of the rotating Rayleigh-Taylor instability under the influence of magnetic fieldsThe combined effects of imposed vertical mean magnetic field (B0) and rotation on heat transfer phenomenon driven by the Rayleigh-Taylor instability are investigated using DNS. In the hydrodynamic…Narinder Singh, Anikesh Pal·Jun 1, 2024SaveLearn
Machine-learning wall-model large-eddy simulation accounting for isotropic roughness under local equilibriumWe introduce a wall model (WM) for large-eddy simulation (LES) applicable to rough surfaces with Gaussian and non-Gaussian distributions for both transitionally and fully rough regimes. The model is…Rong Ma, Adrian Lozano-Duran·Jun 1, 2024SaveLearn
Theory of accelerated flows in a long wave approximation: High-order Shallow Water Equations (HSWE)The majority of coastal flows are characterized by turbulence, rendering the application of shallow water equations an inadequate approach for their accurate description. This paper presents a theory…Arno Roland Ndengna Ngatcha·Jun 1, 2024SaveLearn
Incompressible Navier-Stokes solve on noisy quantum hardware via a hybrid quantum-classical schemePartial differential equation solvers are required to solve the Navier-Stokes equations for fluid flow. Recently, algorithms have been proposed to simulate fluid dynamics on quantum computers.…Zhixin Song, Robert Deaton, Bryan Gard et al.·Jun 1, 2024SaveLearn
A synchrotron-like pumped ring resonator for water wavesThe wave-like behaviour of matter in quantum physics has spurred insightful analogies between the dynamics of particles and waves in classical systems. In this study, drawing inspiration from…Isis Vivanco, Alexander Egli, Bruce Cartwright et al.·Jun 1, 2024SaveLearn
The Lagrangian formulation for wave motion with a shear current and surface tensionThe Lagrangian formulation for the irrotational wave motion is straightforward and follows from a Lagrangian functional which is the difference between the kinetic and the potential energy of the…Conor T. Curtin, Rossen I. Ivanov·May 31, 2024SaveLearn
Physics-enhanced Neural Operator for Simulating Turbulent TransportThe precise simulation of turbulent flows is of immense importance in a variety of scientific and engineering fields, including climate science, freshwater science, and the development of…Shengyu Chen, Peyman Givi, Can Zheng et al.·May 31, 2024SaveLearn
Enhanced Level-Set Method for free surface flow applicationsThis paper presents a solver using the Level-Set method for incompressible two phase flows with surface tension. A one fluid approach is adopted where both phases share the same velocity and pressure…Paulin Ferro, Paul Landel, Carla Landrodie et al.·May 31, 2024SaveLearn
Linear models of strip-type roughnessPrandtl's secondary flows of the second kind generated by laterally-varying roughness are studied using the linearised Reynolds-Averaged Navier-Stokes approach proposed in Zampino et al (2022). The…D. Lasagna, G. Zampino, B. Ganapathisubramani·May 31, 2024SaveLearn
Coating thickness prediction for a viscous film on a rough plateSurface roughness significantly modifies the liquid film thickness entrained when dip coating a solid surface, particularly at low coating velocity. Using a homogenization approach, we present a…Lebo Molefe, Giuseppe A. Zampogna, John M. Kolinski et al.·May 31, 2024SaveLearn
Center-to-face momentum interpolation and face-to-center flux reconstruction in Euler-Euler simulation of gas-solid flowsIn order to resolve the pressure checkerboard field problem with collocated grid, it is essential to employ the momentum interpolation method when formulating the pressure equation, and the flux…Yige Liu, Bidan Zhao, Ji Xu et al.·May 31, 2024SaveLearn
A critical comparison of the implementation of granular pressure gradient term in Euler-Euler simulation of gas-solid flowsNumerical solution of Euler-Euler model using different in-house, open source and commercial software can generate significantly different results, even when the governing equations and the initial…Yige Liu, Mingming He, Jianhua Chen et al.·May 31, 2024SaveLearn
The potential fluctuation and its interfacial phenomena in molecular, micro, macro, and cosmic flow instabilitiesFlow instabilities play important roles in a wide range of engineering, geophysical, and astrophysical flows, ranging from supernova explosion in crab nebula, formation of clouds in sky, waves on…Wei Li·May 31, 2024SaveLearn
Spectral adjoint-based assimilation of sparse data in unsteady simulations of turbulent flowsThe URANS equations provide a computationally efficient tool to simulate unsteady turbulent flows for a wide range of applications. To account for the errors introduced by the turbulence closure…Justin Plogmann, Oliver Brenner, Patrick Jenny·May 30, 2024SaveLearn
Chaotic advection in a steady three-dimensional MHD flowWe investigate the 3D stationary flow of a weakly conducting fluid in a cubic cavity, driven by the Lorentz force created by two permanent magnets and a weak constant current. Our goal is to…Julien Fontchastagner, Jean-François Scheid, Jean-Régis Angilella et al.·May 30, 2024SaveLearn
On the closure of curvature in 2D flamelet theorySo far, flamelet theory has treated curvature as an independent parameter requiring specific means for closure. In this work, it is shown how the adoption of a two-dimensional orthogonal composition…Hernan Olguin, Pascale Domingo, Luc Vervisch et al.·May 30, 2024SaveLearn
Towards high-order consistency and convergence of conservative SPH approximationsSmoothed particle hydrodynamics (SPH) offers distinct advantages for modeling many engineering problems, yet achieving high-order consistency in its conservative formulation remains to be addressed.…Bo Zhang, Nikolaus Adams, Xiangyu Hu·May 28, 2024SaveLearn
Unraveling friction forces of droplets on a non-wetting surfaceThis paper explores the friction forces encountered by droplets on non-wetting surfaces, specifically focusing on superhydrophobic and superheated substrates. Employing a combination of experimental…Abhijit Kumar Kushwaha, Sankara Arunachalam, Ville Jokinen et al.·May 28, 2024SaveLearn
Lateral migration and bouncing of a deformable bubble rising near a vertical wall. Part 1. Moderately inertial regimesThe buoyancy-driven motion of a deformable bubble rising near a vertical hydrophilic wall is studied numerically. We focus on moderately inertial regimes in which the bubble undergoes low-to-moderate…Pengyu Shi, Jie Zhang, Jacques Magnaudet·May 28, 2024SaveLearn