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Caloducs à pulsation en boucle fermée : étude expérimentale destinée à élucider les régimes.

Understanding operational regimes of closed loop pulsating heat pipes: an experimental study.

Auteurs : KHANDEKAR S., DOLLINGER N., GROLL M.

Type d'article : Article

Résumé

Increasing performance of electronic components is resulting in higher heat flux dissipation. Two-phase passive devices are proven solutions for modern microelectronics thermal management. Pulsating heat pipes (PHPs) is a relatively new and emerging technology. The operating mechanism of PHP is not well understood. The aim of research work presented in this paper is to better understand these mechanisms through experimental investigations. Experiments were conducted on a PHP made of copper capillary tube of 2-mm inner diameter. Three different working fluids. The PHP was tested in vertical and horizontal orientation. The results strongly demonstrate the effect of input heat flux and volumetric filling ratio of the working fluid on the thermal performance of the device.

Détails

  • Titre original : Understanding operational regimes of closed loop pulsating heat pipes: an experimental study.
  • Identifiant de la fiche : 2003-2217
  • Langues : Anglais
  • Source : Applied Thermal Engineering - vol. 23 - n. 6
  • Date d'édition : 04/2003

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