74 citations · 357 across the 18 of their papers we have counts for
18 papers
Transmission of a Pressure Signal through a Confined Bubble Array
Edgar Ortega-Roano, Devaraj van der Meer
Pressure changes travel at an infinite sound speed in an incompressible ideal fluid, opposite to what happens in a bubbly liquid, where the presence of bubbles adds compressibility…
Short-Time Force Response during the Impact of a Droplet with Gas Bubbles
Edgar Ortega-Roano, Devaraj van der Meer
The presence of gas or vapour bubbles may strongly influence the forces that occur during the impact of a liquid mass onto a solid. Here, we study this effect numerically, in a wel…
Clogging of non-cohesive suspensions through constrictions using an efficient unresolved CFD-DEM solver
Edgar Ortega-Roano, Mathieu Souzy, Thomas Weinhart +2
When objects are forced to flow through constrictions their transport can be frustrated temporarily or permanently due to the formation of arches in the region of the bottleneck. W…
Autothermotaxis of volatile drops
Pallav Kant, Mathieu Souzy, Nayoung Kim +2
When a drop of a volatile liquid is deposited on a uniformly heated wettable, thermally conducting substrate, one expects to see it spread into a thin film and evaporate. Contrary…
Diffusive and convective dissolution of carbon dioxide in a vertical cylindrical cell
Daniël P. Faasen, Farzan Sepahi, Dominik Krug +4
The dissolution and subsequent mass transfer of carbon dioxide gas into liquid barriers plays a vital role in many environmental and industrial applications. In this work, we study…
Slug bubble growth and dissolution by solute exchange
Daniël P Faasen, Devaraj van der Meer, Detlef Lohse +1
In many environmental and industrial applications, the mass transfer of gases in liquid solvents is a fundamental process during the generation of bubbles for specific purposes or,…
Linear stability analysis of a time-divergent slamming flow
Devaraj van der Meer
When a liquid slams into a solid, the intermediate gas is squeezed out at a speed that diverges when approaching the moment of impact. Although there is mounting experimental evide…
Hydrogel sphere impact cratering, spreading and bouncing on granular media
Xiaoyan Ye, Devaraj van der Meer
The impact of a hydrogel sphere onto a granular target results in both the deformation of the sphere and the formation of a prominent topographic feature known as impact crater on…
Drop tower setup to study the diffusion-driven growth of a foam ball in supersaturated liquids in microgravity conditions
Patricia Vega-Martínez, Javier Rodríguez-Rodríguez, Devaraj van der Meer +1
The diffusion-driven growth of a foam ball is a phenomenon that appears in many manufacturing process as well as in a variety of geological phenomena. Usually these processes are g…
Liquid-grain mixing suppresses droplet spreading and splashing during impact
Song-Chuan Zhao, Rianne de Jong, Devaraj van der Meer
Would a raindrop impacting on a coarse beach behave differently from that impacting on a desert of fine sand? We study this question by a series of model experiments, where the pac…
Crater formation during raindrop impact on sand
Rianne de Jong, Song-Chuan Zhao, Devaraj van der Meer
After a raindrop impacts on a granular bed, a crater is formed as both drop and target deform. After an initial, transient, phase in which the maximum crater depth is reached, the…
Universal mechanism for air entrainment during liquid impact
Maurice H. W. Hendrix, Wilco Bouwhuis, Devaraj van der Meer +2
When a mm-sized liquid drop approaches a deep liquid pool, both the interface of the drop and the pool deform before the drop touches the pool. The build up of air pressure prior t…
Raindrop impact on sand: a dynamic explanation of crater morphologies
Song-Chuan Zhao, Rianne de Jong, Devaraj van der Meer
As a droplet impacts on a granular substrate, both the intruder and the target deform, during which the liquid may penetrate into the substrate. {These three aspects together disti…
Initial surface deformations during impact on a liquid pool
Wilco Bouwhuis, Maurice H. W. Hendrix, Devaraj van der Meer +1
A tiny air bubble can be entrapped at the bottom of a solid sphere that impacts onto a liquid pool. The bubble forms due to the deformation of the liquid surface by a local pressur…
Exploring droplet impact near a millimetre-sized hole: comparing a closed pit with an open-ended pore
Rianne de Jong, Oscar R. Enríquez, Devaraj van der Meer
We investigate drop impact dynamics near both closed pits and open- ended pores experimentally. The resulting impact phenomena differ greatly for a pit or a pore. For the first, we…
Hole dynamics in vertically vibrated liquids and suspensions
Stefan von Kann, Matthias van de Raa, Devaraj van der Meer
We study the dynamics of holes created in vertically vibrated dense suspensions and viscous Newtonian liquids. We find that all holes oscillate with the driving frequency, with a p…
Oscillating and star-shaped drops levitated by an airflow
Wilco Bouwhuis, Koen G. Winkels, Ivo R. Peters +3
We investigate the spontaneous oscillations of drops levitated above an air cushion, eventually inducing a breaking of axisymmetry and the appearance of `star drops'. This is stron…
Approach to Universality in Axisymmetric Bubble Pinch-Off
Stephan Gekle, Devaraj van der Meer, Jacco H. Snoeijer +1
The pinch-off of an axisymmetric air bubble surrounded by an inviscid fluid is compared in four physical realizations: (i) cavity collapse in the wake of an impacting disc, (ii) ga…