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A direct-hybrid CFD/CAA method based on lattice Boltzmann and acoustic perturbation equations
Acta 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
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Drop Impact onto a Substrate Wetted by Another Liquid: Flow in the Wall Film
Colloids 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
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Aerospace, 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
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Thermosuperrepellency of a hot substrate caused by vapour percolation
Communications 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
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Machine 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
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Atmosphere, 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
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An experimental study of regime transitions in a differentially heated baroclinic annulus with flat and sloping bottom topographies [PDF]
Nonlinear 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
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Experimental methodology and procedure for SAPPHIRE: a Semi-automatic APParatus for High-voltage Ice nucleation REsearch [PDF]
Atmospheric 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
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Neuro-Fuzzy Network-Based Reduced-Order Modeling of Transonic Aileron Buzz
Aerospace, 2020 In the present work, a reduced-order modeling (ROM) framework based on a recurrent neuro-fuzzy model (NFM) that is serial connected with a multilayer perceptron (MLP) neural network is applied for the computation of transonic aileron buzz.
Rebecca Zahn, Christian Breitsamter
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Extreme temperature fluctuations in laboratory models of the mid-latitude atmospheric circulation
Scientific Reports, 2023 Using two laboratory-scale conceptual fluid dynamic models of the mid-latitude atmospheric circulation we investigate the statistical properties of pointwise temperature signals obtained in long experiment runs.
Miklós Vincze +4 more
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