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3D registration of depth data of porous surface coatings based on 3D phase correlation and the trimmed ICP algorithm

Loftfield, Nina; Kästner, Markus; Reithmeier, Eduard (Bellingham, Wash. : SPIE, 2017)

A critical factor of endoprostheses is the quality of the tribological pairing. The objective of this research project is to manufacture stochastically porous aluminum oxide surface coatings with high wear resistance and ...
Development of a numerical workflow based on μ-CT imaging for the determination of capillary pressure-saturation-specific interfacial area relationship in 2-phase flow pore-scale porous-media systems: A case study on Heletz sandstone

Peche, Aaron; Halisch, Matthias; Bogdan Tatomir, Alexandru; Sauter, Martin (Göttingen : Copernicus GmbH, 2016)

In this case study, we present the implementation of a finite element method (FEM)-based numerical pore-scale model that is able to track and quantify the propagating fluid–fluid interfacial area on highly complex ...
Evaluating commercial moisture probes in reference solutions covering mineral to peat soil conditions

Dettmann, Ullrich; Bechtold, Michel (Washington, DC : Soil Science Society of America, 2018)

Capacitance and time domain reflectometry (TDR) probes are frequently used for measurements of the volumetric soil water content. The measurement concept is based on the correlation between volumetric water content and ...
Experimental and numerical analysis of air trapping in a porous medium with coarse textured inclusions

Szymańska, Paulina; Tisler, Witold; Schütz, Cindi; Szymkiewicz, Adam; Neuweiler, Insa; Helmig, Rainer (Warsaw : De Gruyter Open Ltd, 2016)

The paper presents a 2D upward infiltration experiment performed on a model porous medium consisting of fine sand background with two inclusions made of coarser sands. The purpose of the experiment was to investigate the ...
Gas Component Transport Across the Soil-Atmosphere Interface for Gases of Different Density: Experiments and Modeling

Bahlmann, L.M.; Smits, K.M.; Heck, K.; Coltman, E.; Helmig, R.; Neuweiler, I. (Hoboken, NJ : Blackwell Publishing Ltd, 2020)

We investigate the influence of near-surface wind conditions on subsurface gas transport and on soil-atmosphere gas exchange for gases of different density. Results of a sand tank experiment are supported by a numerical ...
Iron oxide colloid mobility as affected by solid matrix wetting properties

Carstens, J.F.; Bachmann, J.; Neuweiler, I. (Washington, DC : Soil Science Society of America, 2018)

The influence of porous media wettability on the mobility of colloids is mostly unknown. In the present work, organic-matter-coated goethite (OMCG) colloids were percolated through three saturated soil materials differing ...
Modeling Overpotentials Related to Mass Transport through Porous Transport Layers of PEM Water Electrolysis Cells

Schmidt, Gergely; Suermann, Michel; Bensmann, Boris; Hanke-Rauschenbach, Richard; Neuweiler, Insa (Bristol : IOP Publishing Ltd., 2020)

Porous transport layers (PTL) are key components of proton exchange membrane water electrolysis (PEMWE) cells controlling species transport. Further optimization requires better understanding of how PTLs influence ...
Self-bound crystals of antiparallel dipolar mixtures

Arazo, Maria; Gallemí, Albert; Guilleumas, Montserrat; Mayol, Ricardo; Santos, Luis (College Park, MD : APS, 2023)

Recent experiments have created supersolids of dipolar quantum droplets. The resulting crystals lack, however, a genuine cohesive energy and are maintained by the presence of an external confinement, bearing a resemblance ...

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