Wave Particle Turbulent Simulation of Spatially Developing Round Jets Using a Non Equilibrium Transport Model with a Mixing Length Characteristic Time ClosureIn this paper, the wave-particle turbulent simulation (WPTS), a recently developed multiscale, non-equilibrium turbulence modeling approach, is coupled with a turbulence characteristic-time closure…Xiaojian Yang, Kun Xu·Feb 10, 2026SaveLearn
Comprehensive Study of 3D Liquid Flow Fields in Additive Manufactured Structures for SMART Reactors Using Large-Scale Vertical Magnetic Resonance Imaging and Computational Fluid DynamicsTriply Periodic Minimal Surface (TPMS) structures have emerged as a new class of porous materials with variable geometries and favourable transport properties, making them promising for reactor…Timo Merbach, Muhammad Adrian, Christoph Wigger et al.·Feb 10, 2026SaveLearn
Assessment of jet inflow conditions on the development of supersonic jet flowsIn the present work, large-eddy simulations of free supersonic jet flows are performed to investigate the influence of inflow conditions on the jet flow field and its turbulent properties. A…Diego F. Abreu, Joao Luiz F. Azevedo, Carlos Junqueira-Junior·Feb 10, 2026SaveLearn
Modeling and dynamics of axisymmetric thin liquid film flow along a conical surfaceThis study focuses on the modeling and dynamics of gravity-driven, axisymmetric thin liquid film flow along a conical surface. Spatial linear stability analysis is performed on the basis of a…Longmin Tang, Guangzhao Zhou·Feb 10, 2026SaveLearn
A theoretical one-dimensional model for variable-density Rayleigh-Taylor turbulenceIn an early theoretical work published in 1965, Belen'kii & Fradkin proposed a turbulent diffusivity model for Rayleigh--Taylor (RT) mixing. We review its derivation and present alternative arguments…Chian Yeh Goh, Guillaume Blanquart·Feb 10, 2026SaveLearn
Admissibility of Solitary Wave Modes in Long-Runout Debris FlowsDebris flows often exhibit coherent wave structures-shock-like roll waves on steeper slopes and weaker, more sinusoidal dispersive pulses on gentler slopes. Coarse-rich heads raise basal resistance,…Louis-S. Bouchard, Seulgi Moon·Feb 9, 2026SaveLearn
From oblique-wave forcing to streak reinforcement: A perturbation-based frequency-response frameworkWe develop a perturbation-based frequency-response framework for analyzing amplification mechanisms that are central to subcritical routes to transition in wall-bounded shear flows. By systematically…Dušan Božić, Anubhav Dwivedi, Mihailo R. Jovanović·Feb 9, 2026SaveLearn
PEST: Physics-Enhanced Swin Transformer for 3D Turbulence SimulationAccurate simulation of turbulent flows is fundamental to scientific and engineering applications. Direct numerical simulation (DNS) offers the highest fidelity but is computationally prohibitive,…Yilong Dai, Shengyu Chen, Xiaowei Jia et al.·Feb 9, 2026SaveLearn
Dimensional regimes in Kolmogorov FlowWe study the dimensionality of two-dimensional Kolmogorov flows over a wide range of Reynolds numbers and forcing wavenumbers kf=\2,4,8\ using two complementary approaches: convolutional…Melisa Y. Vinograd, Joaquin Cullen, Patricio Clark di Leoni·Feb 9, 2026SaveLearn
A melting mode of frozen sessile droplets with unmelted ice layer deposited at the bottomWater-repellent properties of superhydrophobic surfaces make them promising for anti-icing and deicing applications. Through experimental visualization of frozen sessile droplets undergoing melting…Jiawang Cui, Yugang Zhao, Tianyou Wang et al.·Feb 9, 2026SaveLearn
Small Rarefaction, Large Consequences: Limits of Navier Stokes Turbulence SimulationsWe conduct numerical simulations of rocket plume impingement on a lunar landing surface using two complementary frameworks: the Boltzmann equation, which naturally captures rarefied gas dynamics, and…Songyan Tian, Lei Wu·Feb 9, 2026SaveLearn
On the vortex transport and blade interactions in a reversible pump-turbinePumped storage type hydropower plants play an important role in mitigating real-time energy flexibility. Reversible pump-turbines undergo extreme operating conditions such as runaway and…Chirag Trivedi·Feb 9, 2026SaveLearn
Fully coupled implicit finite-volume algorithm for viscoelastic interfacial flowsA fully coupled implicit finite-volume algorithm for incompressible viscoelastic interfacial flows is proposed, whereby the viscoelasticity of the flow is described by an upper-convected Maxwell…Ayman Mazloum, Gabriele Gennari, Fabian Denner et al.·Feb 9, 2026SaveLearn
High-resolution numerical simulations of turbulent non-catalytic reverse water gas shiftA green transition in aviation requires a drastic upscaling of Sustainable Aviation Fuel (SAF). The power-to-liquid process for the production of CO2-neutral jet fuel via electricity, called e-SAF,…Nils Erland L. Haugen, Axel Brandenburg, Ewa Karchniwy et al.·Feb 9, 2026SaveLearn
A few-shot and physically restorable symbolic regression turbulence model based on normalized general effective-viscosity hypothesisTurbulence is a complex, irregular flow phenomenon ubiquitous in natural processes and engineering applications. The Reynolds-averaged Navier-Stokes (RANS) method, owing to its low computational…Ziqi Ji, Penghao Duan, Gang Du·Feb 9, 2026SaveLearn
A Three-Dimensional Two-Temperature Gas-Kinetic Scheme with Generalized Kinetic Boundary Condition for Hypersonic SBLIAccurate prediction of aerothermal loads in hypersonic flows is critical yet challenging due to the coupling of Shock-Wave/Boundary-Layer Interactions (SBLI) and thermal non-equilibrium. This work…Xingjian Gao, Hualin Liu, Fengxiang Zhao et al.·Feb 8, 2026SaveLearn
StabOp: A Data-Driven Stabilization Operator for Reduced Order ModelingSpatial filters have played a central role in large eddy simulation and, more recently, in reduced order model (ROM) stabilization for convection-dominated flows. Nevertheless, important open…Ping-Hsuan Tsai, Anna Ivagnes, Annalisa Quaini et al.·Feb 8, 2026SaveLearn
Integral modelling and Reinforcement Learning control of 3D liquid metal coating on a moving substrateMetallic coatings are used to enhance the durability of metal surfaces by protecting them from corrosion. These protective layers are typically deposited in a fluid state via a liquid film.…Fabio Pino, Edoardo Fracchia, Benoit Scheid et al.·Feb 8, 2026SaveLearn
Phenomenological energy exchange of diatomic gases: Comparison of Pullin and Borgnakke-Larsen models in direct simulation Monte Carlo methodIn hypersonic rarefied flows, insufficient intermolecular collisions cause significant deviations between translational and rotational temperatures, leading to strong thermal nonequilibrium. For…Hao Jin, Sha Liu, Ningchao Ding et al.·Feb 7, 2026SaveLearn
Effect of velocity, fluid properties and drop shape on coalescence and neck oscillationWe perform axisymmetric numerical simulations to investigate the coalescence dynamics of a liquid drop in a deep liquid pool. This study aims to generalize the mechanisms of partial coalescence…Manas Ranjan Behera, Hiranya Deka, Kirti Chandra Sahu et al.·Feb 7, 2026SaveLearn
Stall cells over an airfoil. Part 2: A vortex-based analytical model for their formation and saturationStall cells are spanwise-periodic flow structures that spontaneously form on airfoils operating near stall, fundamentally altering the aerodynamic loading distribution. Despite decades of…Rishabh Mishra, Emmanuel Guilmineau, Ingrid Neunaber et al.·Feb 6, 2026SaveLearn
Stall cells over an airfoil. Part 1: Three-dimensional flow organisation and vorticity dynamicsThis study investigates the three-dimensional organisation and evolution of stall cells in the separated flow region over an airfoil. Using a hybrid RANS/LES approach based on the DDES-SST turbulence…Rishabh Mishra, Emmanuel Guilmineau, Ingrid Neunaber et al.·Feb 6, 2026SaveLearn
Non-reciprocal Binary-fluid TurbulenceAlthough effective non-reciprocal interactions have been investigated in a variety of fields, their consequences have not been explored in hydrodynamical turbulence. We initiate such an exploration…Biswajit Maji, Nadia Bihari Padhan, Axel Voigt et al.·Feb 6, 2026SaveLearn
Diffusiophoresis of a non-polar fluid droplet laden with soluble ionic surfactantsWe investigate the diffusiophoresis of a non-polarizable droplet laden with soluble ionic surfactant, for which the surface charge arises from adsorption of surfactant at the fluid-fluid interface.…Subrata Majhi, Somnath Bhattacharyya·Feb 6, 2026SaveLearn
Purified Two-Relaxation-Time Lattice Boltzmann Method: Removing Ghost Modes from TRT for Enhanced StabilityThe two-relaxation-time (TRT) lattice Boltzmann model is widely adopted for its simplicity and tunable boundary accuracy. However, its collision operator relaxes the full symmetric non-equilibrium…Yuan Yu, Yaolong Yu, Yuting Zhou et al.·Feb 6, 2026SaveLearn