Relaminarization of turbulent pipe flow induced by streamwise traveling wave wall transpiration and its scalingIn technical applications, more than 90\% of the energy required to pump the fluids through pipes is dissipated by turbulence near the wall. In this respect, streamwise traveling waves of wall…Christian Bauer, Claus Wagner·Sep 3, 2025SaveLearn
Multi-Objective Aerodynamic Optimization of Ride Height and Rake Angle in a Sedan Car Using CFD and Machine LearningThis study investigates the aerodynamic performance of an Audi A4 sedan using CFD analysis. A 3D model was developed in SolidWorks and validated against DrivAer Notchback wind-tunnel data, showing…Mahdi Kheirkhah, Ehsan Roohi, Mahmoud Pasandidehfard·Sep 3, 2025SaveLearn
Kelvin-Helmholtz instability in binary fluids with miscibility gapThe isothermal spatio-temporal evolution of an interface between binary fluids, with temperature sensitive miscibility gap, subjected to shear flow is investigated using direct numerical simulations.…Anubhav Dubey, Sakir Amiroudine·Sep 2, 2025SaveLearn
A one-dimensional numerical model for system performance prediction of loop heat pipes and its validationDeveloping high power density electronics requires effective and highly reliable cooling techniques with low thermal resistance and high heat removal capacity. Loop heat pipes (LHPs) are one kind of…Xu Huang, Geert Buckinx, Maria Rosaria Vetrano et al.·Sep 2, 2025SaveLearn
Viscous adhesion in vibrated sheets: elastohydrodynamics with inertia and compressibility effectsInspired by recent experiments demonstrating that vibrating elastic sheets can function as seemingly contactless suction cups, we investigate the elastohydrodynamic hovering of a thin elastic sheet…Stephane Poulain, Timo Koch, L. Mahadevan et al.·Sep 2, 2025SaveLearn
An Effective Model for Droplet Impact Dynamics on Micro-Structured Surfaces: Nonlocal Theory and SPH Simulation of Pancake BouncingThe accurate mathematical modeling of droplet impact dynamics on micro-structured surfaces is fundamental to understanding and predicting complex fluid behaviors relevant to a wide range of…Zhonghua Qiao, Zuankai Wang, Yifan Wei·Sep 2, 2025SaveLearn
Inflection point instability in Hartmann channel flow with variable electric conductivityThe stability of a flow of an electrically conducting, incompressible fluid in a channel with an imposed uniform wall-normal magnetic field and electrically insulating walls is studied using linear…Roman Okatev, Oleg Zikanov, Dmitry Krasnov et al.·Sep 2, 2025SaveLearn
Data assimilation for energy-aware hybrid modelsThis work integrates ensemble-based data assimilation (DA) with the energy-aware hybrid modeling approach, applied to a three-layer quasi-geostrophic (QG) model of the Gulf Stream flow. Building on…Igor Shevchenko, Dan Crisan·Sep 1, 2025SaveLearn
Laser-driven droplet deformation at low Weber numbersWe investigate droplet deformation following laser-pulse impact at low Weber numbers (We ~ 0.1-100). Droplet dynamics can be characterized by two key parameters: the impact We number and the width,…M. Kharbedia, H. L. França, H. K. Schubert et al.·Sep 1, 2025SaveLearn
Rising bubbles draw surface patterns: a numerical studySmall bubbles rising in a chain can self-organize into regular patterns upon reaching a liquid's free surface. This phenomenon is investigated through direct numerical simulations. By varying the…Dabao Li, Lang Qin, Zhigang Zuo et al.·Sep 1, 2025SaveLearn
Uncertainty Quantification of Drag Reduction over Superhydrophobic Surfaces by Unified Parameterizing Structure SpacingSuperhydrophobic surfaces (SHS) have demonstrated significant potential in reducing turbulent drag by introducing slip conditions through micro-structured geometries. While previous studies have…Byeong-Cheon Kim, Kyoungsik Chang, Sang-Wook Lee et al.·Sep 1, 2025SaveLearn
Data-driven modeling for flow reconstruction from sparse temperature measurementsMeasurement of the velocity field in thermal-hydraulic experiments is of great importance for phenomena interpretation and code validation. Direct measurement employing Particle Image Velocimetry…Xicheng Wang, YiMeng Chan, KinWing Wong et al.·Sep 1, 2025SaveLearn
Interpolation-supplemented lattice Boltzmann simulation of thermal convection on non-uniform meshesWe present a systematic evaluation of an interpolation-supplemented lattice Boltzmann method (ISLBM) for simulating buoyancy-driven thermal convection on non-uniform meshes. The ISLBM extends the…Ao Xu, Zheng Zhao, Ben-Rui Xu et al.·Sep 1, 2025SaveLearn
Wave erosion of ice cliffs: melt rate due to reflection of non-breaking surface wavesWave erosion of ice cliffs is one of the main mechanisms for waterline ice melt for icebergs, glacier fronts, and ice-shelf fronts. Despite its importance, this process is fundamentally not well…Anya Wolterman, Till J. W. Wagner, Lucas K. Zoet et al.·Sep 1, 2025SaveLearn
Origin and control of pseudo-rotating spiral jetsActive flow control (AFC) methods for jet-type flows have been extensively explored since the 1970s. Spectacular examples demonstrating the AFC power and the beauty of fluid mechanics include…Karol Wawrzak, Yiqing Li, Bernd R. Noack et al.·Aug 31, 2025SaveLearn
Unsteady aerodynamic theory and experiments of hovering membrane wingsWe investigate the unsteady lift response of compliant membrane wings in hovering kinematics by combining analytical inviscid theory with experimental results. An unsteady aerodynamic model is…Sonya Tiomkin, Alexander Gehrke·Aug 31, 2025SaveLearn
A general kinematic theory of fluid-element rotation and intrinsic vorticity decompositionsThe present study proposes a general kinematic theory for fluid-element rotation and intrinsic vorticity decompositions within the context of vorticity and vortex dynamics. Both the angular…Tao Chen, Jie-Zhi Wu, Feng Mao et al.·Aug 30, 2025SaveLearn
Inertial migration of slender prolate and thin oblate spheroids in plane Poiseuille flowWe theoretically examine the inertial migration of a neutrally buoyant spheroid of aspect ratio κ in wall-bounded plane Poiseuille flow at small particle Reynolds number (Rep) and small…Prateek Anand, Ganesh Subramanian·Aug 30, 2025SaveLearn
Statistical State Dynamics based study of Langmuir TurbulenceThe dynamics of the ocean mixed layer is of central importance in determining the fluxes of momentum, heat, gases, and particulates between the ocean and the atmosphere. A prominent component of…Eojin Kim, Brian F. Farrell·Aug 29, 2025SaveLearn
A Central Differential Flux with High-Order Dissipation for Robust Simulations of Transcritical FlowsThe simulation of transcritical flows remains challenging due to strong thermodynamic nonlinearities that induce spurious pressure oscillations in conventional schemes.While primitive-variable…Bonan Xu, Chang Sun, Peixu Guo·Aug 29, 2025SaveLearn
The Moffatt-Pukhnachev flow: a new twist on an old problemThe flow of a thin viscous film on the outside of a horizontal circular cylinder, whose angular velocity is time-periodic with specified frequency and amplitude, is investigated. The constant angular…Antonio J. Bárcenas-Luque, Mark G. Blyth·Aug 29, 2025SaveLearn
Long-wave instability of stratified two-phase MHD flowInstability of a stratified two-phase MHD parallel flow between two infinite plates is addressed. We examine the effect of the transverse magnetic field on the base flow and long wave instability of…Arseniy Parfenov, Alexander Gelfgat, Neima Brauner·Aug 29, 2025SaveLearn
Quantifying non-equilibrium pressure-gradient turbulent boundary layers through a symmetry-based frameworkThis study establishes a symmetry-based framework to quantify non-equilibrium processes in complex pressure gradient (PG) turbulent boundary layers (TBLs), using a Lie-group-informed…Wei-Tao Bi, Ke-Xin Zheng, Jun Chen et al.·Aug 29, 2025SaveLearn
Flow transition of liquid-liquid two-phase Taylor-Couette flow with axial flowA liquid-liquid two-phase Taylor-Couette flow is of fundamental and practical importance in multiphase flow systems. This study investigates the flow transitions in such a system with constant axial…Hayato Masuda, Yuta Kikuchi, Hiroyuki Iyota·Aug 29, 2025SaveLearn
Tidally dominated flows past a three-dimensional topography: Wake vortices, turbulence, and mixingOceanic turbulence influences the transport and mixing of freshwater, heat, nutrients, and other biogeochemical tracers. It also has broader implications for oceanic and atmospheric circulations.…H. M. Aravind, Pranav Puthan, Sutanu Sarkar et al.·Aug 29, 2025SaveLearn