The DRESDYN precession experiment

Frank Stefani; Sten Anders; Sven Eckert; Nico Freyer; Gunter Gerbeth; André Giesecke; Thomas Gundrum; Peter Kaever; Vivaswat Kumar; Federico Pizzi; Dirk Räbiger; Ján Šimkanin; Christian Steglich; Tobias Vogt; Nicole Wagner; Gerald Wedel

doi:10.5802/crphys.214

Article de recherche

The DRESDYN precession experiment
[L’expérience de précession DRESDYN]

Frank Stefani ¹ ; Sten Anders ¹ ; Sven Eckert ¹ ; Nico Freyer ¹ ; Gunter Gerbeth ¹ ; André Giesecke ¹ ; Thomas Gundrum ¹ ; Peter Kaever ¹ ; Vivaswat Kumar ¹ ; Federico Pizzi ² ; Dirk Räbiger ¹ ; Ján Šimkanin ³ ; Christian Steglich ¹ ; Tobias Vogt ¹ ; Nicole Wagner ¹ ; Gerald Wedel ¹

¹ Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstr. 400, D-01328 Dresden, Germany
² Department of Fluid Mechanics, Universitat Politècnica de Catalunya-Barcelona Tech, Barcelona 08034, Spain
³ Institute of Geophysics of the Czech Academy of Sciences, Boční II/1401, Praha 4-Spořilov 141 31, Czech Republic

Comptes Rendus. Physique, Online first (2024), pp. 1-19.

Résumé
Abstract

Le projet le plus ambitieux au sein de l’installation DREsden Sodium pour les études DYNamo et thermohydrauliques (DRESDYN) au Helmholtz-Zentrum Dresden-Rossendorf (HZDR) est la mise en place d’une expérience de dynamo entrainée par précession. Après avoir discuté du contexte scientifique, de quelques résultats d’expériences préliminaires en eau et de prédictions numériques, nous nous concentrons sur les nombreux problèmes structurels et de conception de la machine. Nous décrivons également l’avancement des travaux et donnons un aperçu des campagnes expérimentales prévues.

The most ambitious project within the DREsden Sodium facility for DYNamo and thermohydraulic studies (DRESDYN) at Helmholtz-Zentrum Dresden-Rossendorf (HZDR) is the set-up of a precession-driven dynamo experiment. After discussing the scientific background and some results of water pre-experiments and numerical predictions, we focus on the numerous structural and design problems of the machine. We also outline the progress of the construction work and give an outlook for the upcoming experimental campaigns.

Reçu le : 2024-03-01
Révisé le : 2024-07-29
Accepté le : 2024-10-03
Première publication : 2024-12-16

DOI : 10.5802/crphys.214

Keywords: precession, dynamo, sodium
Mots-clés : précession, dynamo, sodium

Affiliations des auteurs :

Frank Stefani ¹ ; Sten Anders ¹ ; Sven Eckert ¹ ; Nico Freyer ¹ ; Gunter Gerbeth ¹ ; André Giesecke ¹ ; Thomas Gundrum ¹ ; Peter Kaever ¹ ; Vivaswat Kumar ¹ ; Federico Pizzi ² ; Dirk Räbiger ¹ ; Ján Šimkanin ³ ; Christian Steglich ¹ ; Tobias Vogt ¹ ; Nicole Wagner ¹ ; Gerald Wedel ¹

¹ Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstr. 400, D-01328 Dresden, Germany
² Department of Fluid Mechanics, Universitat Politècnica de Catalunya-Barcelona Tech, Barcelona 08034, Spain
³ Institute of Geophysics of the Czech Academy of Sciences, Boční II/1401, Praha 4-Spořilov 141 31, Czech Republic

Licence :

CC-BY 4.0

Droits d'auteur : Les auteurs conservent leurs droits

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     author = {Frank Stefani and Sten Anders and Sven Eckert and Nico Freyer and Gunter Gerbeth and Andr\'e Giesecke and Thomas Gundrum and Peter Kaever and Vivaswat Kumar and Federico Pizzi and Dirk R\"abiger and J\'an \v{S}imkanin and Christian Steglich and Tobias Vogt and Nicole Wagner and Gerald Wedel},
     title = {The {DRESDYN} precession experiment},
     journal = {Comptes Rendus. Physique},
     publisher = {Acad\'emie des sciences, Paris},
     year = {2024},
     doi = {10.5802/crphys.214},
     language = {en},
     note = {Online first},
}

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AU  - Sten Anders
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Frank Stefani; Sten Anders; Sven Eckert; Nico Freyer; Gunter Gerbeth; André Giesecke; Thomas Gundrum; Peter Kaever; Vivaswat Kumar; Federico Pizzi; Dirk Räbiger; Ján Šimkanin; Christian Steglich; Tobias Vogt; Nicole Wagner; Gerald Wedel. The DRESDYN precession experiment. Comptes Rendus. Physique, Online first (2024), pp. 1-19. doi : 10.5802/crphys.214.

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