Exploratory study of liquid metal response to rapid variation of applied magnetic fieldTransient plasma events, such as plasma disruptions, are anticipated in the future magnetic-confinement nuclear fusion reactors. The events are accompanied by a rapid change in the magnetic field…Ivan Smolyanov, Oleg Zikanov·Feb 4, 2025SaveLearn
A novel hybrid approach for accurate simulation of compressible multi-component flows across all-Mach numberNumerical simulation of multi-component flow systems characterized by the simultaneous presence of pressure-velocity coupling and pressure-density coupling dominated regions remains a significant…Xi Deng, Bin Xie, Omar K. Matar et al.·Feb 4, 2025SaveLearn
Multiscale thermodynamic nonequilibrium effects in Kelvin-Helmholtz instability and their relative importanceThis study investigates the complex kinetics of thermodynamic nonequilibrium effects (TNEs) and their relative importance during the development of Kelvin-Helmholtz instability (KHI) using high-order…Zhongyi He, Yanbiao Gan, Bin Yang et al.·Feb 4, 2025SaveLearn
Emergent clogging of continuum particle suspensions in constricted channelsParticle suspensions in confined geometries can become clogged, which can have a catastrophic effect on function in biological and industrial systems. Here, we investigate the macroscopic dynamics of…Anushka Herale, Philip Pearce, Duncan Hewitt·Feb 4, 2025SaveLearn
A simplified digital twin of a pressure swing adsorption plant for air separationThe pressure swing adsorption (PSA) process is one of the widely utilized techniques for air separation. Operating on the Skarstrom cycle, the porous adsorbent columns of a PSA system alternate…Abhijit Dhamanekar, Ritwik Das, Santosh Ansumali et al.·Feb 4, 2025SaveLearn
Scalar probability density function mixing models need not comply with the linearity and independence hypothesisIn a mixture of scalar fields undergoing diffusive processes governed by Fick's law, the concentration at each point evolves linearly in the concentrations at all points and independently from the…Juan Hierro, César Dopazo·Feb 4, 2025SaveLearn
Geometric structure of parameter space in immiscible two-phase flow in porous mediaIn a recent paper, a continuum theory of immiscible and incompressible two-phase flow in porous media based on generalized thermodynamic principles was formulated (Transport in Porous Media, 125, 565…Håkon Pedersen, Alex Hansen·Feb 4, 2025SaveLearn
Burnett-level discrete Boltzmann modeling of compressible flows under forceIn this paper, a Burnett-level discrete Boltzmann model (DBM) is proposed for the compressible flow in a force field, and a discrete velocity set with 25 velocities is constructed for the DBM,…Suni Chen, Chuandong Lin, Demei Li et al.·Feb 4, 2025SaveLearn
Data-driven prediction of reversal of large-scale circulation in turbulent convectionLarge-scale circulation (LSC) quasi-stably emerges in the turbulent Rayleigh-B\'enard convection, and intermittently reverses its rotational direction in two-dimensional turbulent convection. In…Daigaku Katsumi, Masanobu Inubushi, Naoto Yokoyama·Feb 4, 2025SaveLearn
Aerosol deposition in mucus-lined ciliated airwaysWe study the transport and deposition of inhaled aerosols in a mid-generation, mucus-lined lung airway, with the aim of understanding if and how airborne particles can avoid the mucus and deposit on…Swarnaditya Hazra, Jason R. Picardo·Feb 3, 2025SaveLearn
UV Radiation Measurement of Nitrogen in shock focusing facilityA study on UV radiation in shock focused gas has been carried out in high temperature radiating Air experimentally. Spherical shock wave focusing was achieved with the help of a contoured converging…Saranyamol V. S., Mohammed Ibrahim S·Feb 3, 2025SaveLearn
Instantaneous convective heat transfer at the wall: a depiction of turbulent boundary layer structuresWe demonstrate the ability to experimentally measure fluctuations of the convective heat transfer coefficient at the wall in a turbulent boundary layer. For this, we measure two-dimensional fields of…Firoozeh Foroozan, Andrea Ianiro, Stefano Discetti et al.·Feb 3, 2025SaveLearn
Thermodynamic nonequilibrium effects in three-dimensional high-speed compressible flows: Multiscale modeling and simulation via the discrete Boltzmann methodThree-dimensional (3D) high-speed compressible flow is a typical nonlinear, nonequilibrium, and multiscale complex flow. Traditional fluid mechanics models, based on the quasi-continuum assumption…Qinghong Guo, Yanbiao Gan, Bin Yang et al.·Feb 3, 2025SaveLearn
A hybrid-dimensional Stokes--Brinkman--Darcy model for arbitrary flows to the fluid--porous interfaceMathematical modelling of coupled flow systems containing a free-flow region in contact with a porous medium is challenging, especially for arbitrary flow directions to the fluid--porous interface.…Linheng Ruan, Iryna Rybak·Feb 3, 2025SaveLearn
Classical 1/3 Nusselt number scaling in highly turbulent compressible convectionPlanetary and stellar convection, which are compressible and turbulent, remain poorly understood. In this paper, we report numerical results on the scaling of Nusselt number (Nu) and…Harshit Tiwari, Mahendra K. Verma·Feb 3, 2025SaveLearn
Progress on surface curvature analysis for describing atomization using 2P-LIF imagesTo describe atomization completely it is necessary to track the liquid-gas interface morphology at any stage of the atomization process. Typically, instability analysis focuses on generic and…L Huang, C S Vegad, B Duret et al.·Feb 3, 2025SaveLearn
Visualization of Suppressed Shock Wave/Turbulent Boundary Layer Interaction Using Cryogenic Wall CoolingTo investigate the wall-cooling effects on shock wave turbulent/boundary layer interaction (SWTBLI) with limited experimental data, a supersonic wind tunnel wall was cooled using liquid nitrogen as…Yuma Miki, Leo Ando, Maria Acuna et al.·Feb 3, 2025SaveLearn
Weak-Strong Uniqueness and Extreme Wall Events at High Reynolds NumberSingular or weak solutions of the incompressible Euler equations have been hypothesized to account for anomalous dissipation at very high Reynolds numbers and, in particular, to explain the…Gregory L. Eyink, Hao Quan·Feb 3, 2025SaveLearn
Multi-Velocity Sharp-Interface Continuum Thermodynamics of Fluid Systems with AdsorptionWe revisit the sharp-interface continuum thermodynamics of two-phase multicomponent fluid systems, accounting for partial mass and partial momentum balances both in the bulk phases and on the…Dieter Bothe·Feb 2, 2025SaveLearn
Mechanism of tulip flame formation in highly reactive and low reactive gas mixturesThe early stages of flame dynamics and the development and evolution of tulip flames in closed tubes of various aspect ratios and in a semi-open tube are studied by solving the fully compressible…Chengeng Qian, Mikhail Liberman·Feb 2, 2025SaveLearn
Nonspherical oscillations of an encapsulated magnetic microbubbleThis paper presents a model for nonspherical oscillations of encapsulated bubbles coated with a polymer infused with magnetic particles, developed using membrane theory for thin weakly magnetic…Arun Krishna B. J., Ganesh Tamadapu·Feb 2, 2025SaveLearn
Instabilities in visco-thermodiffusive swirling flowsAn analytical theory is presented for linear, local, short-wavelength instabilities in swirling flows, in which axial shear, differential rotation, radial thermal stratification, viscosity, and…Oleg N. Kirillov, Innocent Mutabazi·Feb 2, 2025SaveLearn
Topological flow data analysis for transient flow patterns: a graph-based approachWe introduce a method of time series analysis for two-dimensional transient flow patterns based on Topological Flow Data Analysis (TFDA), a new approach to topological data analysis. TFDA identifies…Takashi Sakajo, Takeshi Matsumoto, Shizuo Kaji et al.·Feb 2, 2025SaveLearn
Energy, enstrophy and helicity transfers in polymeric turbulenceWe characterise the scale-by-scale transfers of energy, enstrophy and helicity in homogeneous and isotropic polymeric turbulence using direct numerical simulations. The microscale Reynolds number is…Alessandro Chiarini, Rahul K. Singh, Marco E. Rosti·Feb 2, 2025SaveLearn
Nonlinear bubble behaviours of compressible Rayleigh-Taylor instability with isothermal stratification in cylindrical geometryNonlinear evolutions of two-dimensional single-mode compressible Rayleigh--Taylor instability (RTI) with isothermal stratification are investigated in cylindrical geometry via direct numerical…Ming Yuan, Zhiye Zhao, Luoqin Liu et al.·Feb 2, 2025SaveLearn