Results 1 to 10 of about 37,239 (284)

Flow field data of three-dimensional Riemann problems [PDF]

open access: yesData in Brief
Common validation and verification test cases for compressible flow solvers are only one- or two-dimensional. Such flows, however, are inherently three-dimensional.
Nils Hoppe   +4 more
doaj   +2 more sources

A direct-hybrid CFD/CAA method based on lattice Boltzmann and acoustic perturbation equations

open access: yesActa Acustica, 2023
The accuracy of two direct coupled two-step CFD/CAA methods is discussed. For the flow field either a finite-volume (FV) method for the solution of the Navier–Stokes equations or a lattice Boltzmann (LB) method is coupled to a discontinuous Galerkin (DG)
Gondrum Miro   +4 more
doaj   +1 more source

Drop Impact onto a Substrate Wetted by Another Liquid: Flow in the Wall Film

open access: yesColloids and Interfaces, 2022
The impact of a drop onto a liquid film is relevant for many natural phenomena and industrial applications such as spray painting, inkjet printing, agricultural sprays, or spray cooling.
Bastian Stumpf   +2 more
doaj   +1 more source

Numerical Investigation of an Optimized Rotor Head Fairing for the RACER Compound Helicopter in Cruise Flight

open access: yesAerospace, 2021
The present work is part of the Clean Sky 2 project Full-Fairing Rotor Head Aerodynamic Design Optimization (FURADO), which deals with the aerodynamic design optimization of a full-fairing rotor head for the Rapid And Cost-Effective Rotorcraft (RACER ...
Patrick Pölzlbauer   +3 more
doaj   +1 more source

Thermosuperrepellency of a hot substrate caused by vapour percolation

open access: yesCommunications Physics, 2021
Droplet impact on surfaces has wide applications regardless of the discipline area and several hypotheses have been put forward to explain the mechanism of film boiling.
J. Benedikt Schmidt   +5 more
doaj   +1 more source

Inferring incompressible two-phase flow fields from the interface motion using physics-informed neural networks

open access: yesMachine Learning with Applications, 2021
In this work, physics-informed neural networks are applied to incompressible two-phase flow problems. We investigate the forward problem, where the governing equations are solved from initial and boundary conditions, as well as the inverse problem, where
Aaron B. Buhendwa   +2 more
doaj   +1 more source

Assessment of Mobile Air Cleaners to Reduce the Concentration of Infectious Aerosol Particles Indoors

open access: yesAtmosphere, 2023
Airborne transmission via aerosol particles without close human contact is a possible source of infection with airborne viruses such as SARS-CoV-2 or influenza.
Christian J. Kähler   +2 more
doaj   +1 more source

An experimental study of regime transitions in a differentially heated baroclinic annulus with flat and sloping bottom topographies [PDF]

open access: yesNonlinear Processes in Geophysics, 2014
A series of laboratory experiments has been carried out in a thermally driven rotating annulus to study the onset of baroclinic instability, using horizontal and uniformly sloping bottom topographies.
M. Vincze   +3 more
doaj   +1 more source

Experimental methodology and procedure for SAPPHIRE: a Semi-automatic APParatus for High-voltage Ice nucleation REsearch [PDF]

open access: yesAtmospheric Measurement Techniques, 2021
Ice nucleation is of great interest for various processes such as cloud formation in the scope of atmospheric physics, and icing of airplanes, ships, or structures.
J.-M. Löwe   +3 more
doaj   +1 more source

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