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Système intrinsèquement sûr de refroidissement en boucle par thermosiphon pour les applications aéronautiques utilisant un fluide diélectrique h-galden

Inherently safe looped thermosyphon cooling system for aircraft applications using dielectric fluid h-galden.

Numéro : pap. n. R1, 2234

Auteurs : LOHSE E., SCHMITZ G.

Résumé

This paper presents experimental results of an inherently safe liquid cooling system. A test rig is operated at Hamburg University of Technology in order to prove the concept and gather first data for electronics cooling in modern civil aircraft. The cooling system uses a dielectric working fluid for the natural circulation in a looped thermosyphon operating in both one- and two-phase mode. First the mass flow of this natural circulation system is investigated comparing the measurement data to calculations. After that the cooling performance of the system is evaluated by taking a closer look at the heat loads and corresponding temperatures. Finally heat transfer coefficients in the cold plate are calculated. The results are discussed with respect to the following parameters, which are varied in the test series conducted: heat load, the heat sink temperature and the system orientation.

Documents disponibles

Format PDF

Pages : 8 p.

Disponible

  • Prix public

    20 €

  • Prix membre*

    15 €

* meilleur tarif applicable selon le type d'adhésion (voir le détail des avantages des adhésions individuelles et collectives)

Détails

  • Titre original : Inherently safe looped thermosyphon cooling system for aircraft applications using dielectric fluid h-galden.
  • Identifiant de la fiche : 30000477
  • Langues : Anglais
  • Source : 2010 Purdue Conferences. 13th International Refrigeration and Air-Conditioning Conference at Purdue.
  • Date d'édition : 12/07/2010

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