Experimental identification of blade-level forces, torque, and pitching moment for cross-flow turbinesCross-flow turbine power is a net sum of power generation from rotating blades and power loss from rotating support structures. While the aggregate forces and torques at the turbine level are…Abigale Snortland, Katherine Van Ness, Jennifer A. Franck et al.·Mar 4, 2025SaveLearn
On Target Pattern Formation in the CHNS systemWe study the concentration field in a prescribed 2D Cahn-Hilliard Navier-Stokes (CHNS) system. We formulate a description for the target pattern formation and pattern merging processes, and compare…Qinghao Yan, P. H. Diamond·Mar 4, 2025SaveLearn
Data-Driven Insights into Jet Turbulence: Explainable AI ApproachesIn this study, eXplainable Artificial Intelligence (XAI) methods are applied to analyze flow fields obtained through PIV measurements of an axisymmetric turbulent jet. A convolutional neural network…Enrico Amico, Lorenzo Matteucci, Gioacchino Cafiero·Mar 3, 2025SaveLearn
Operational Feasibility Analysis of a Cryogenic Active Intake Device for Atmosphere-Breathing Electric PropulsionAtmosphere-breathing electric propulsion (ABEP) systems are emerging for orbit maintenance in very-low-Earth orbit (VLEO) by capturing atmospheric propellant in situ using an intake device.…Geonwoong Moon, Youngil Ko, Minwoo Yi et al.·Mar 3, 2025SaveLearn
Poromechanical modelling of responsive hydrogel pumpsThermo-responsive hydrogels are smart materials that rapidly switch between hydrophilic (swollen) and hydrophobic (shrunken) states when heated past a threshold temperature, resulting in…Joseph J. Webber, Thomas D. Montenegro-Johnson·Mar 3, 2025SaveLearn
Thermal Conductance Correlations of Static Lubricated Ball BearingsBall bearings are commonly used to reduce the friction in rotating mechanical components. The present work reports improved numerical approaches to model bearing thermal conductance in the absence of…Indronil Ghosh, John P. McHale, Yoshimi R. Takeuchi et al.·Mar 3, 2025SaveLearn
Analysis of Circulation Control Jet Bi-Stability on a Wing Section at Transonic Speeds via Dynamic Mode DecompositionThe phenomenon of stable lift oscillations occurring on an elliptic wing section utilizing circulation control at transonic speeds was evaluated using numerical simulations. As the momentum of the…Dor Polonsky·Feb 28, 2025SaveLearn
High viscosity effects on solitary wave propagationWe present an experimental and numerical study of linear and non-linear viscous effects in transient non-linear long wave propagation in Newtonian and shear thinning fluids in the laminar flow…Carlos Calvo, Aldo Tamburrino, Claudio Falcón·Feb 28, 2025SaveLearn
Flow-Driven Rotor Simulations of Seyi-Chunlei Ducted TurbineThis paper proposes an improved Clarkson Ducted Wind Turbine (DWT) design using a new diffuser based on the Selig S1223 airfoil at an angle of attack (AoA) of 20 degrees and a smaller tip clearance.…Seyi Oluwadare, Chunlei Liang·Feb 28, 2025SaveLearn
Exploring Bayesian olfactory search in realistic turbulent flowsThe problem of tracking the source of a passive scalar in a turbulent flow is relevant to flying insect behavior and several other applications. Extensive previous work has shown that certain…Robin A. Heinonen, Luca Biferale, Antonio Celani et al.·Feb 28, 2025SaveLearn
An analytical solution for horizontal velocity profiles in the hurricane boundary layerTheoretical analyses of the hurricane boundary layer have traditionally relied on slab models, which provide a limited description of wind profiles. Literature on height-resolving methods is…Kishore R. Sathia, Marco G. Giometto·Feb 28, 2025SaveLearn
Effect of inflow conditions on tip vortex breakdown in a high Reynolds number wind turbine wakeUnderstanding the re-energization of wind turbine wakes is crucial for the design and control of wind farms. Close to the rotor, this process is determined by the dynamics of the tip vortices. Here,…Mano Grunwald, Claudia E. Brunner·Feb 28, 2025SaveLearn
Numerical investigation of the flow induced by a transcatheter intra-aortic entrainment pumpThis study evaluates the fluid dynamics inside and outside transcatheter blood pump positioned in the aorta. We focus on the pump's impact on blood component damage and arterial wall stress. CFD…Yeojin Park, Osman Aycan, Lyes Kadem·Feb 28, 2025SaveLearn
Effects of non-parallelism on standard and magnetorheological measurementsAiming towards the magnetorheological characterisation of whole human blood, we evaluated the suitability of our experimental setup for steady shear measurements with low-viscosity fluids. Previous…R. Rodrigues, F. J. Galindo-Rosales, L. Campo-Deaño·Feb 28, 2025SaveLearn
Effects of conjugate heat transfer on large-scale flow structures in convectionThe constant temperature and constant heat flux thermal boundary conditions, both developing distinct flow patterns, represent limiting cases of ideally conducting and insulating plates in…Matti Ettel, Philipp Patrick Vieweg, Jörg Schumacher·Feb 28, 2025SaveLearn
Finite Amplitude Scaling in Transitional Pipe FlowsStudies on the finite amplitude stability of pipe flows identified a range of different scaling exponents between β≈ -1 and β≈-1.5, relating A Reβ, where A is…Ravindran Vishnu, Kalale Chola·Feb 28, 2025SaveLearn
Pattern Formation in Isothermal Miscible Protein/Sugar Systems Driven by Marangoni Effects and EvaporationThrough a combination of experiments and modeling, we have demonstrated a novel pattern formation phenomenon in an isothermal miscible fluid system involving simple protein and sugar solutions. We…Yu-Ching Tseng, Chamika Goonetilleke, Xiaotian Lu et al.·Feb 27, 2025SaveLearn
A practical guide to estimation and uncertainty quantification of aerodynamic flowsMany applications in aerodynamics, particularly in closed-loop control, depend on sensors to estimate the evolving state of the flow. This estimation task is inherently accompanied by uncertainty due…Jeff D. Eldredge, Hanieh Mousavi·Feb 27, 2025SaveLearn
A curvilinear surface ALE formulation for self-evolving Navier-Stokes manifolds -- General theory and analytical solutionsA new arbitrary Lagrangian-Eulerian (ALE) formulation for Navier-Stokes flow on self-evolving surfaces is presented. It is based on a general curvilinear surface parameterization that describes the…Roger A. Sauer·Feb 27, 2025SaveLearn
The cross-over from viscous to inertial lengthscales in rapidly-rotating convectionConvection is the main heat transport mechanism in the Earth's liquid core and is thought to power the dynamo that generates the geomagnetic field. Core convection is strongly constrained by rotation…Céline Guervilly, Emmanuel Dormy·Feb 27, 2025SaveLearn
Turbulence and large-scale structures in self-gravitating superfluidsWe study turbulence in self-gravitating superfluids by performing direct numerical simulations of the 3D Gross-Pitaevskii-Poisson (GPP) equation, which is also a model for dark matter haloes around…Sanjay Shukla·Feb 27, 2025SaveLearn
Reduced Basis Model for Compressible FlowNumerical simulations are a valuable research and layout tool for fluid flow problems, yet repeated evaluations of parametrized problems, necessary to solve optimization problems, can be very costly.…Marian Staggl, Wolfgang Sanz, Paul Pieringer·Feb 27, 2025SaveLearn
Development of transitional Reynolds number correlation and assessment of RANS for predictions of bypass transitionWe present direct numerical simulations (DNSs) of bypass transition over a flat plate with inlet freestream turbulence intensity levels of 0.75%, 1.5%, 2.25%, 3.0%, and 6.0%, respectively. A new…Carlos A. Gonzalez, Rahul Agrawal, Xiaohua Wu·Feb 26, 2025SaveLearn
Tackling Compressible Turbulent Multi-Component Flows with Dynamic hp-AdaptationIn this paper, we present an hp-adaptive hybrid Discontinuous Galerkin/Finite Volume method for simulating compressible, turbulent multi-component flows. Building on a previously established…Pascal Mossier, Philipp Oestringer, Jens Keim et al.·Feb 26, 2025SaveLearn
Direct Numerical Simulations of Droplet Impact onto Heated Surfaces using the Program Free Surface 3D (FS3D)Droplet impact onto heated surfaces is a widespread process in industrial applications, particularly in the context of spray cooling techniques. Therefore, it is essential to study the complex…Manish Kumar, Rishav Saha, Johanna Potyka et al.·Feb 26, 2025SaveLearn