Publications

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91 Publications visible to you, out of a total of 91

Abstract

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Authors: Sohan Lal, Aksel Alpay, Philip Salzmann, Biagio Cosenza, Alexander Hirsch, Nicolai Stawinoga, Peter Thoman, Thomas Fahringer, Vincent Heuveline

Date Published: 2020

Publication Type: InProceedings

Abstract

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Authors: Hendrik Bläker, Saskia Haupt, Monika Morak, Elke Holinski-Feder, Alexander Arnold, David Horst, Julia Sieber-Frank, Florian Seidler, Moritz von Winterfeld, Elizabeth Alwers, Jenny Chang-Claude, Hermann Brenner, Wilfried Roth, Christoph Engel, Markus Löffler, Gabriela Möslein, Hans-Konrad Schackert, Jürgen Weitz, Claudia Perne, Stefan Aretz, Robert Hüneburg, Wolff Schmiegel, Deepak Vangala, Nils Rahner, Verena Steinke-Lange, Vincent Heuveline, Magnus von Knebel Doeberitz, Aysel Ahadova, Michael Hoffmeister, Matthias Kloor

Date Published: 16th Oct 2019

Publication Type: Journal

Abstract (Expand)

Context A radial temperature difference together with an inhomogeneous radial electric field gradient is applied to a dielectric fluid confined in a vertical cylindrical annulus inducing thermal electro-hydrodynamic convection. Aims Identification of the stability of the flow and hence of the line of marginal stability separating stable laminar free (natural) convection from thermal electro-hydrodynamic convection, its flow structures, pattern formation and critical parameters. Methods Combination of different measurement techniques, namely the shadowgraph method and particle image velocimetry, as well as numerical simulation are used to qualify/quantify the flow. Results We identify the transition from stable laminar free convection to thermal electro-hydrodynamic convective flow in a wide range of Rayleigh number and electric potential. The line of marginal stability found confirms results from linear stability analysis. The flow after first transition forms a structure of axially aligned stationary columnar modes. We experimentally confirm critical parameters resulting from linear stability analysis and we show numerically an enhancement of heat transfer.

Authors: Torsten Seelig, Antoine Meyer, Philipp Gerstner, Martin Meier, Marcel Jongmanns, Martin Baumann, Vincent Heuveline, Christoph Egbers

Date Published: 1st Aug 2019

Publication Type: Journal

Abstract

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Authors: Nils Schween, Nico Meyer-Hübner, Philipp Gerstner, Vincent Heuveline

Date Published: 30th May 2019

Publication Type: Journal

Abstract

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Authors: Philipp Gerstner, Martin Baumann, Vincent Heuveline

Date Published: 14th Apr 2019

Publication Type: Journal

Abstract

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Authors: Wei Zhang, Gang Mu, Chen Song, Gangui Yan, Vincent Heuveline

Date Published: 2019

Publication Type: Journal

Abstract

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Authors: Alexej Ballhausen, Moritz Jakob Przybilla, Michael Jendrusch, Saskia Haupt, Elisabeth Pfaffendorf, Markus Draxlbauer, Florian Seidler, Sonja Krausert, Aysel Ahadova, Martin Simon Kalteis, Daniel Heid, Johannes Gebert, Maria Bonsack, Sarah Schott, Hendrik Bläker, Toni Seppälä, Jukka-Pekka Mecklin, Sanne Ten Broeke, Maartje Nielsen, Vincent Heuveline, Julia Krzykalla, Axel Benner, Angelika Beate Riemer, Magnus von Knebel Doeberitz, Matthias Kloor

Date Published: 2019

Publication Type: Journal

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