Enhanced Gas Source Localization Using Distributed IoT Sensors and Bayesian InferenceIdentifying a gas source in turbulent environments presents a significant challenge for critical applications such as environmental monitoring and emergency response. This issue is addressed through…Leonardo Balocchi, Lorenzo Piro, Luca Biferale et al.·Nov 20, 2024SaveLearn
Salts promote or inhibit bubbly drag reduction in turbulent Taylor-Couette flowsBubbly drag reduction is considered as one of the most promising techniques to reduce the energy consumption of marine vessels. With this technique bubbles are injected under the hull where they then…Luuk J. Blaauw, Detlef Lohse, Sander G. Huisman·Nov 20, 2024SaveLearn
Solver-in-the-loop approach to closure of shell models of turbulenceThis work studies an a posteriori data-driven approach (known as solver-in-the-loop) for sub-grid modeling of a shell model for turbulence. This approach takes advantage of the differentiable physics…André Freitas, Kiwon Um, Mathieu Desbrun et al.·Nov 20, 2024SaveLearn
Entropy-stable fluxes for high-order Discontinuous Galerkin simulations of high-enthalpy flowsIn the present work, we extend the Discontinuous Galerkin Spectral Element Method (DGSEM) to high-enthalpy reacting gas flows with internal degrees of freedom. An entropy- and kinetic…Georgii Oblapenko, Arseniy Tarnovskiy, Moritz Ertl et al.·Nov 20, 2024SaveLearn
How interfacial tension enhances drag in turbulent Taylor-Couette flow with neutrally buoyant and equally viscous dropletsThe presence of dispersed-phase droplets can result in a notable increase in the system's drag. However, our understanding of the mechanism underlying this phenomenon remains limited. In this study,…Jinghong Su, Yi-bao Zhang, Cheng Wang et al.·Nov 20, 2024SaveLearn
Far-field Boundary Conditions for Airfoil Simulation at High Incidence in Steady, Incompressible, Two-dimensional FlowThis study concerns the far-field boundary conditions (BCs) for airfoil simulations at high incidence where the lift and drag are comparable in magnitude and the moment is significant. A NACA 0012…Narges Golmirzaee, David H. Wood·Nov 20, 2024SaveLearn
Multi-scale simulation of red blood cell trauma in large-scale high-shear flows after Norwood operationCardiovascular surgeries and mechanical circulatory support devices create non-physiological blood flow conditions that can be detrimental, especially for pediatric patients. A source of…Saba Mansour, Emily Logan, James F. Antaki et al.·Nov 20, 2024SaveLearn
Internal stresses in low-Reynolds-number fractal aggregatesWe present a numerical model of fractal-structured aggregates in low-Reynolds-number flows. Assuming that aggregates are made of cubic particles, we first use a boundary integral method to compute…Matteo Polimeno, Changho Kim, François Blanchette·Nov 20, 2024SaveLearn
Characterization of sea ice kinematics over oceanic eddiesEddies within the meso/submeso-scale range are prevalent throughout the Arctic Ocean, playing a pivotal role in regulating freshwater budget, heat transfer, and sea ice transport. While observations…Minki Kim, Georgy E. Manucharyan, Monica M. Wilhelmus·Nov 19, 2024SaveLearn
Linking emitted drops to collective bursting bubbles across a wide range of bubble size distributionsBubbles entrained by breaking waves rise to the ocean surface, where they cluster before bursting and release droplets into the atmosphere. The ejected drops and dry aerosol particles, left behind…Megan Mazzatenta, Martin A. Erinin, Baptiste Néel et al.·Nov 19, 2024SaveLearn
Drop-drop coalescence: a simple crossover function between inertial and viscous dynamicsThe coalescence of liquid drops is a fundamental process that remains incompletely understood, particularly in the intermediate regimes where capillary, viscous, and inertial forces are comparable.…Kaili Xie, Marie Corpart, Antoine Deblais et al.·Nov 19, 2024SaveLearn
Internal shear layers generated by a vertically oscillating cylinder in unbounded and bounded rotating fluidsIn rotating fluids, the viscous smoothing of inviscid singular inertial waves leads to the formation of internal shear layers. In previous works, we analysed the internal shear layers excited by a…Jiyang He, Benjamin Favier, Stéphane Le Dizès·Nov 19, 2024SaveLearn
Water wave interactions with a horizontal submerged elastic plateThis article explores how a submerged elastic plate, clamped at one edge, interacts with water waves. Submerged elastic plates have been considered as potentially effective design elements in the…Gatien Polly, Alexis Mérigaud, Benjamin Thiria et al.·Nov 19, 2024SaveLearn
A total-shear-stress-conserved wall model for large-eddy simulation of high-Reynolds number wall turbulenceWall-modeled large-eddy simulation (WMLES) is widely recognized as a useful method for simulation of turbulent flows at high Reynolds numbers. Nevertheless, a continual issue in different wall models…Huan-Cong Liu, Chun-Xiao Xu, Wei-Xi Huang·Nov 19, 2024SaveLearn
A buoyancy-drag model with a time-varying drag coefficient for evaluating bubble front penetration depthTo evaluate and control bubble front penetration depth hB induced by ablative Rayleigh-Taylor instability (ARTI) from a weakly nonlinear phase to a self-similar phase, we first propose an…Dongxue Liu, Tao Tao, Jun Li et al.·Nov 19, 2024SaveLearn
Shape modes and jet formation on ultrasound-driven wall-attached bubblesUnderstanding how substrate-attached bubbles respond to ultrasound is important for applications from industrial cleaning to biomedical therapy. Under ultrasonic excitation, bubbles can deform…Marco Cattaneo, Louan Presse, Gazendra Shakya et al.·Nov 19, 2024SaveLearn
Comparing design and off-design aerodynamic performance of a natural laminar airfoilNatural laminar flow airfoils are essential technologies designed to reduce drag and significantly enhance aerodynamic performance. A notable example is the SHM1 airfoil, created to meet the…Aditi Sengupta, Abhijeet Guha·Nov 19, 2024SaveLearn
Chiral swimmer with a regular arbitrary active patchWe investigate the low Reynolds number hydrodynamics of a spherical swimmer with a predominantly hydrophobic surface, except for a hydrophilic active patch. This active patch covers a portion of the…Shiba Biswas, P. S. Burada, G. P. Raja Sekhar·Nov 19, 2024SaveLearn
Effect of Gaussian wake amplitude on wake-induced transition for a T106A low pressure turbine cascadeThe wake-induced transition on the suction surface of a T106A low-pressure turbine (LPT) blade is investigated through a series of implicit large eddy simulations, solving the two-dimensional (2D)…Aditi Sengupta·Nov 19, 2024SaveLearn
A universal integral scaling of the mean velocity profiles in turbulent wall-bounded flowsScaling of the mean velocity profiles has been studied by many researchers, since it provides a template of universal dynamical patterns across a range of Reynolds numbers. Various normalization…T. -W. Lee·Nov 19, 2024SaveLearn
Convectons in unbalanced natural doubly diffusive convectionFluids subject to both thermal and compositional variations can undergo doubly diffusive convection when these properties both affect the fluid density and diffuse at different rates. In natural…J. Tumelty, C. Beaume, A. M. Rucklidge·Nov 18, 2024SaveLearn
Large Eddy Simulation using Nonlinearly Stable Flux ReconstructionThe performance of the nonlinearly stable flux reconstruction (NSFR) schemes for resolving subsonic viscous turbulent free-shear flows is investigated. The schemes are extensively verified for the…Julien Brillon, Siva Nadarajah·Nov 18, 2024SaveLearn
From lab to landscape-scale experiments for the morphodynamics of sand dunesWe review the main processes that drive the morphodynamics of dunes, i.e. their growth in height, migration and elongation, and emphasise the contribution of experiments to the understanding of these…P. Claudin, S. Courrech du Pont, C. Narteau·Nov 18, 2024SaveLearn
Revealing Structure and Symmetry of Nonlinearity in Natural and Engineering FlowsEnergy transfer across scales is fundamental in fluid dynamics, linking large-scale flow motions to small-scale turbulent structures in engineering and natural environments. Triadic interactions…Brandon Yeung, Tianyi Chu, Oliver T. Schmidt·Nov 18, 2024SaveLearn
A Multi-Component, Multi-Physics Computational Model for Solving Coupled Cardiac Electromechanics and Vascular HaemodynamicsThe circulatory system, comprising the heart and blood vessels, is vital for nutrient transport, waste removal, and homeostasis. Traditional computational models often treat cardiac electromechanics…Sharp C. Y. Lo, Alberto Zingaro, Jon W. S. McCullough et al.·Nov 18, 2024SaveLearn