332 citations
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7 papers · 1 filter
The transition in settling velocity of surfactant-covered droplets from the Stokes to the Hadamard-Rybczynski solution
Åsmund Ervik, Erik Bjørklund
The exact solution for a small falling drop is a classical result by Hadamard and Rybczynski. But experiments show that small drops fall slower than predicted, giving closer agreem…
Coopetition of software firms in Open source software ecosystems
Anh Nguyen Duc, Daniela S. Cruzes, Geir K. Hanssen +2
Software firms participate in an ecosystem as a part of their innovation strategy to extend value creation beyond the firms boundary. Participation in an open and independent envir…
Influence of surfactants on the electrohydrodynamic stretching of water drops in oil
Åsmund Ervik, Torstein Eidsnes Penne, Svein Magne Hellesø +2
In this paper we present experimental and numerical studies of the electrohydrodynamic stretching of a sub-millimetre-sized salt water drop, immersed in oil with added non-ionic su…
Thermomechanical properties of zirconium tungstate/hydrogenated nitrile butadiene rubber (HNBR) composites for low-temperature applications
Anton G. Akulichev, Ben Alcock, Avinash Tiwari +1
Rubber compounds for pressure sealing application typically have inferior dimensional stability with temperature fluctuations compared with their steel counterparts. This effect ma…
Computation of three-dimensional three-phase flow of carbon dioxide using a high-order WENO scheme
Magnus Aa. Gjennestad, Andrea Gruber, Karl Yngve Lervåg +4
We have developed a high-order numerical method for the 3D simulation of viscous and inviscid multiphase flow described by a homogeneous equilibrium model and a general equation of…
On Model Predictive Path Following and Trajectory Tracking for Industrial Robots
Mathias Hauan Arbo, Esten Ingar Grøtli, Jan Tommy Gravdahl
In this article we show how the model predictive path following controller allows robotic manipulators to stop at obstructions in a way that model predictive trajectory tracking co…