Subgrid moving contact line model for direct numerical simulations of bubble dynamics in pool boiling of pure fluidsThis contact line vicinity model is conceived as a subgrid model for the DNS of bubble growth in boiling. The model is based on the hydrodynamic multiscale theory and is suitable for the partial…Vadim S Nikolayev, Linkai Wei, Guillaume Bois·Jun 6, 2024SaveLearn
Pi-fusion: Physics-informed diffusion model for learning fluid dynamicsPhysics-informed deep learning has been developed as a novel paradigm for learning physical dynamics recently. While general physics-informed deep learning methods have shown early promise in…Jing Qiu, Jiancheng Huang, Xiangdong Zhang et al.·Jun 6, 2024SaveLearn
Applications of Deep Learning parameterization of Ocean Momentum ForcingMesoscale eddies are of utmost importance in understanding ocean dynamics and the transport of heat, salt, and nutrients. Accurate representation of these eddies in ocean models is essential for…Guosong Wang, Min Hou, Xinrong Wu et al.·Jun 6, 2024SaveLearn
Lagrangian filtering for wave-mean flow decompositionGeophysical flows are typically composed of wave and mean motions with a wide range of overlapping temporal scales, making separation between the two types of motion in wave-resolving numerical…Lois E. Baker, Hossein A. Kafiabad, Cai Maitland-Davies et al.·Jun 5, 2024SaveLearn
EngineBench: Flow Reconstruction in the Transparent Combustion Chamber III Optical EngineWe present EngineBench, the first machine learning (ML) oriented database to use high quality experimental data for the study of turbulent flows inside combustion machinery. Prior datasets for ML in…Samuel J. Baker, Michael A. Hobley, Isabel Scherl et al.·Jun 5, 2024SaveLearn
Parametric Study of a Bladeless Fan Geometry: Investigating the Influence of Geometry Parameters on Discharge Ratio and Thrust ForceThe innovative bladeless design of the AirMultiplier, patented by Dyson in 2009, has generated significant interest due to its unique approach to air circulation that leverages the Coanda effect. In…Guillaume Maîtrejean, Merlin Kempf, Lucas Antoniali et al.·Jun 5, 2024SaveLearn
Intrinsic permeability of heterogeneous porous mediaProviding a sound appraisal of the nature of the relationship between flow (Q) and pressure drop ( P) for porous media is a long-standing fundamental research challenge. A wide variety of…Wenqiao Jiao, David Scheidweiler, Nolwenn Delouche et al.·Jun 5, 2024SaveLearn
Heavy Particle Clustering in Inertial Subrange of High--Reynolds Number TurbulenceDirect numerical simulation of homogeneous isotropic turbulence shows pronounced clustering of inertial particles in the inertial subrange at high Reynolds number, in addition to the clustering…Keigo Matsuda, Katsunori Yoshimatsu, Kai Schneider·Jun 5, 2024SaveLearn
A computationally efficient queue-based algorithm for simulating volume-controlled drainage under the influence of gravity on volumetric images of porous materialsSimulating non-wetting fluid invasion in volumetric images of porous materials is of broad interest in applications as diverse as electrochemical devices and CO2 sequestration. Among available…Jeff T Gostick, Niloofar Misaghian, Ashkan Irannezhad et al.·Jun 5, 2024SaveLearn
A viscous drop in a planar linear flow -- the role of deformation on streamline topologyPlanar linear flows are a one-parameter family, with the parameter α∈ [-1,1] being a measure of the relative magnitudes of extension and vorticity; α = -1, 0 and 1…Sabarish V. Narayanan, Ganesh Subramanian·Jun 4, 2024SaveLearn
Changes in boiling controlled by molar concentration-dependent diffusion of surfactantsBoiling is a prevalent phase-change process that plays a vital role in facilitating efficient heat transfer from a heating surface. While this heat transfer mechanism is generally effective, a rapid…Mario R. Mata, Matic Može, Armin Hadžić et al.·Jun 4, 2024SaveLearn
Multiphase Flow Simulation of Blow-by and Fuel-in-Oil Dilution via the Piston Ring Pack Using the CFD Level-Set MethodModern diesel engines temporarily use a very late post-injection in the combustion cycle to either generate heat for a diesel particulate filter regeneration or purge a lean NOx trap. In some…Patrick Antony, Norbert Hosters, Marek Behr et al.·Jun 4, 2024SaveLearn
Role of surfactants on droplet formation in piezoacoustic inkjet printing across microsecond-to-second timescalesIn piezo acoustic drop-on-demand inkjet printing a single droplet is produced for each piezo driving pulse. This droplet is typically multicomponent, including surfactants to control the spreading…Maaike Rump, Christian Diddens, Uddalok Sen et al.·Jun 4, 2024SaveLearn
Life beyond Fritz: On the detachment of electrolytic bubblesWe present an experimental study on detachment characteristics of hydrogen bubbles during electrolysis. Using a transparent (Pt or Ni) electrode enables us to directly observe the bubble contact line…Çayan Demirkır, Jeffery A. Wood, Detlef Lohse et al.·Jun 4, 2024SaveLearn
Tumbling elimination induced by permeability: an experimental approachArchetypal falling behaviors of impervious objects are classified into four modes: fluttering, tumbling, steady descent and chaotic motion. The classical scenario predicts these behaviors to be…Jesús Sánchez-Rodríguez, François Gallaire·Jun 3, 2024SaveLearn
Stable Boundary Layers with Subsidence: Scaling and Similarity of the Truly Steady StateThe stable boundary layer (SBL) subjected to large-scale subsidence is studied through large-eddy simulations (LESs) with fixed surface temperature and a linear subsidence velocity profile. These…Thijs Bon, Raúl Bayoán Cal, Johan Meyers·Jun 3, 2024SaveLearn
Predictive Model and Optimization of Micromixers Geometry using Gaussian Process with Uncertainty Quantification and Genetic AlgorithmMicrofluidic devices are gaining attention for their small size and ability to handle tiny fluid volumes. Mixing fluids efficiently at this scale, known as micromixing, is crucial. This article…Daniela de Oliveira Maionchi, Neil Diogo Silva Coimbra, Junior Gonçalves da Silva et al.·Jun 3, 2024SaveLearn
Flow stability and permeability in a nonrandom porous medium analogThe estimation of the permeability of porous media to fluids is of fundamental importance in fields as diverse as oil and gas industry, agriculture, hydrology and medicine. Despite more than 150…Tairone Paiva Leão·Jun 3, 2024SaveLearn
Fine Structures Roll up in the Flow of Film Boiling at High Density RatiosFilm boiling has practical applications in the current technology including steam power plants, cooling of electronic devices and emergency cooling systems. A finite difference/front tracking method…Saeed Mortazavi, Iman Yaali·Jun 3, 2024SaveLearn
The system of the vortex-like structures: the viewpoint on a turbulence modellingIn this study we suggest new approach to turbulence modeling. To develop this approach, we construct the set of the vortex-like dynamical systems evolving in the space E3. These systems are…Sergei V. Talalov·Jun 3, 2024SaveLearn
A GPU-ready pseudo-spectral method for direct numerical simulations of multiphase turbulenceIn this work, we detail the GPU-porting of an in-house pseudo-spectral solver tailored towards large-scale simulations of interface-resolved simulation of drop- and bubble-laden turbulent flows. The…Alessio Roccon·Jun 3, 2024SaveLearn
The stability analysis of volatile liquid films in different evaporation regimesWe investigate the role of the evaporation regime on the stability of a volatile liquid film flowing over an inclined heated surface while considering the dynamics of both the liquid phase and the…Omair A. A. Mohamed, Luca Biancofiore·Jun 3, 2024SaveLearn
High-fidelity study of three-dimensional turbulent transonic buffet on wide-span infinite wingsTurbulent transonic buffet is an aerodynamic instability causing periodic oscillations of lift/drag in aerospace applications. Involving complex coupling between inviscid and viscous effects, buffet…David J. Lusher, Andrea Sansica, Markus Zauner et al.·Jun 3, 2024SaveLearn
Flow-Induced Vibration of Flexible Hydrofoil Within Cavitating Turbulent FlowThe flow-induced vibration and cavitation dynamics of three-dimensional flow past a cantilever flexible hydrofoil are investigated using a large eddy simulation (LES) model, a homogeneous mixture…Zhi Cheng, Rajeev Jaiman·Jun 3, 2024SaveLearn
A level set-based solver for two-phase incompressible flows: Extension to magnetic fluidsDevelopment of a two-phase incompressible solver for magnetic flows in the magnetostatic case is presented. The proposed numerical toolkit couples the Navier-Stokes equations of hydrodynamics with…Paria Makaremi-Esfarjani, Andrew J. Higgins, Alireza Najafi-Yazdi·Jun 2, 2024SaveLearn