Capillary Rise in Pipes with Variable Cross SectionThis work proposes an ODE model for a capillary rise in pipes with variable cross section and compares it to the lubrication theory model. Two key assumptions are made: (1) radius of the pipe varies…Isidora Rapajić, Srboljub Simić·Sep 11, 2025SaveLearn
On the role of water activity on the formation of a protein-rich coffee ring in an evaporating multicomponent dropThe coffee-ring effect is a universal feature of evaporating sessile droplets with pinned contact line, wherein solutes or particles are advected to the droplet's edge due to evaporation-driven…Javier Martínez-Puig, Gianluca D'Agostino, Ana Oña et al.·Sep 11, 2025SaveLearn
Propulsive transitions and scaling relations of a heaving flexible foil in a cylinder wakeWe numerically investigate the propulsive dynamics of a heaving flexible foil immersed in the wake of a stationary circular cylinder, focusing on the coupled effects of unsteady wake forcing, passive…Guojun Li, Lanlan Wang, Weitao Jiang et al.·Sep 11, 2025SaveLearn
Learning Turbulent Flows with Generative Models: Super-resolution, Forecasting, and Sparse Flow ReconstructionNeural operators are promising surrogates for dynamical systems but when trained with standard L2 losses they tend to oversmooth fine-scale turbulent structures. Here, we show that combining operator…Vivek Oommen, Siavash Khodakarami, Aniruddha Bora et al.·Sep 10, 2025SaveLearn
Asymptotic limits of the axisymmetric solution of the Brinkman equation for a point force near a no-slip wallWe derive the far-field and near-field solutions for the Green's function of a point force acting perpendicular to a no-slip wall in a Brinkman fluid, focusing on the regime where the distance…Abdallah Daddi-Moussa-Ider, Andrej Vilfan·Sep 10, 2025SaveLearn
Projection-based model order reduction for residence time distribution analysis of an industrial-scale continuous casting tundishThe flow behavior in the continuous casting tundish plays a critical role in steel quality and is typically characterized via residence time distribution (RTD) curves. This study investigates the…Harshith Gowrachari, Mattia Giuseppe Barra, Moaad Khamlich et al.·Sep 10, 2025SaveLearn
Vortex controlled heat transfer in eight row plate fin and tube exchangers: CFD derived air side Nusselt correlationsThis paper investigates and characterizes the row dependent thermal performance of an 8 row finned tube heat exchanger (HEX) with an offset tube arrangement and continuous flat fins. Computational…Mateusz Marcinkowski, Kacper Korab·Sep 10, 2025SaveLearn
Gelation effects on the spreading of non-Newtonian drops impacting a reactive liquidWe report in this experimental and numerical study effects of gelation on the early-time spreading (< 10ms) of millimetric non-Newtonian drops of biopolymer and particle suspensions impacting a…Julie Godefroid, David Bouttes, Anselmo Pereira et al.·Sep 10, 2025SaveLearn
Physics-Informed Neural Networks in Clean Combustion: A Pathway to Sustainable Aerospace PropulsionAchieving clean combustion systems is crucial in terms of solving environmental impacts, decarbonization needs and sustainability matters. Traditional combustion modeling techniques via computational…Mahmood Mousavi, Caleb Caldwell, Jacob Baltes et al.·Sep 9, 2025SaveLearn
Towards enhanced mixing of a high viscous miscible blob in porous mediaIn this study, we investigate the rectilinear displacement and deformation of a highly viscous, miscible circular blob influenced by a less viscous fluid within a homogeneous porous medium featuring…Mijanur Rahaman, Jiten C. Kalita, Satyajit Pramanik·Sep 9, 2025SaveLearn
Optimal Surfaces for Turbulent Circulation StatisticsWe put forward a novel formulation of the vortex gas model of turbulent circulation statistics to address the challenging case of nonplanar circulation contours. Relying upon a field-theoretical…L. Moriconi·Sep 9, 2025SaveLearn
Wind farm layout optimization using a novel machine learning approachWe present a novel approach to optimize wind farm layouts for maximum annual energy production (AEP). The optimization effort requires efficient wake models to predict the wake flow and,…Mehrshad Gholami Anjiraki, Christian Santoni, Samin Shapourmiandouab et al.·Sep 9, 2025SaveLearn
Distributed force element decomposition with method of fundamental solutionsQuantifying the contribution of vortex structures to pressure stress is useful for designing flow control strategies to mitigate low or drag. The traditional force-element method focuses on the…Zhiteng Zhou, Yi Liu, Hongping Wang et al.·Sep 9, 2025SaveLearn
Lighthill's mechanism and vorticity cascade in the logarithmic layer of wall turbulenceWe investigate Lighthill's proposed turbulent mechanism for near-wall concentration of spanwise vorticity by calculating mean flows conditioned on motion away from or toward the wall in an…Samvit Kumar, Simon Toedtli, Tamer A. Zaki et al.·Sep 9, 2025SaveLearn
Experimental investigation of the water exit of the accelerating circular cylinderWe investigate the vortical dynamics generated during the forced exit of a circular cylinder through a quiescent free surface. While previous work on exit flows has largely emphasized cavity collapse…Intesaaf Ashraf, Stephane Dorbolo·Sep 9, 2025SaveLearn
Gravity drives the flow within the Stewartson layer in centrifugal convectionWe conduct three-dimensional numerical simulations on centrifugal convection (CC) in a closed annular container, incorporating gravity and no-slip top and bottom boundaries, to systematically…Rushi Lai, Jun Zhong, Chao Sun·Sep 9, 2025SaveLearn
High-Reynolds-number turbulent boundary layers under adverse pressure gradients. Part 1. Decoupling local and upstream pressure gradient effectsThis study presents a controlled examination of the universality of the von Karman and additive coefficients in the logarithmic law of the mean streamwise velocity profile for high-Reynolds-number…Ahmad Zarei, Mitchell Lozier, Rahul Deshpande et al.·Sep 9, 2025SaveLearn
Backward similarity solution of the Boussinesq groundwater equationGroundwater flow in an unconfined aquifer resting on a horizontal impermeable layer with a boundary condition of a rapid increase in the source water level is considered in this work. The newly…Shuntaro Togo, Koichi Unami·Sep 9, 2025SaveLearn
Free oscillations of a standing surface wave and its mechanical analogueWe present an analogy between natural oscillations of the standing wave type on a pool of liquid with an interface and a mechanical oscillator model. It is shown that the equations of motion…Nikhil Yewale, Sakir Amiroudine, Ratul Dasgupta·Sep 9, 2025SaveLearn
A high-fidelity and efficient framework for point-particle direct numerical simulation based on multi-block overset gridsIn this work, we present a high-fidelity and efficient point-particle direct numerical simulation framework based on a multi-block overset curvilinear grid system, enabling large-scale Lagrangian…Taiyang Wang, Baoqing Meng, Baolin Tian et al.·Sep 9, 2025SaveLearn
Effect of a horizontal magnetic field on the melting of low Prandtl number liquid metal in a phase-change Rayleigh-B\'enard systemWe investigated the low Prandtl number Rayleigh-B\'enard (RB) system with a melting top boundary under horizontal magnetic fields. This study is crucial to gain physical insights into the melting…Xinyi Jiang, Chenyu You, Xinning Nan et al.·Sep 9, 2025SaveLearn
Using Optimal Transport Aligned Latent Embeddings for Separated Flow AnalysisQuantifying differences between flow fields is a key challenge in fluid mechanics, particularly when evaluating the effectiveness of flow control. Traditional vector metrics, such as the Euclidean…Jonathan Quang Tran, Chi-An Yeh, Kunihiko Taira·Sep 9, 2025SaveLearn
Onset of vortex shedding in flow past Rankine ovalsThe Rankine oval is a classical geometry in potential flow, formed by superimposing a uniform stream with velocity U and a source-sink pair separated by distance 2a with strength m, resulting in a…Zhaoyue Xu, Yi Liu, Hua-dong Yao et al.·Sep 8, 2025SaveLearn
Seeing new depths: Three-dimensional flow of a free-swimming algaA swimming microorganism stirs the surrounding fluid, creating a flow field that governs not only its locomotion and nutrient uptake, but also its interactions with other microorganisms and the…Gregorius Pradipta, Wanho Lee, Van Tran et al.·Sep 8, 2025SaveLearn
HiPrFlame-An ab initio based real-fluid modeling approach for high-pressure combustion-I. Rationale, methodology, and application to laminar premixed flamesHigh-pressure combustion is central to modern propulsion and power-generation systems, where operating pressures often exceed the critical point of working fluids, resulting in pronounced real-fluid…Ting Zhang, Tianzhou Jiang, Mingrui Wang et al.·Sep 8, 2025SaveLearn