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Performance thermique d'un thermosiphon diphasique en circuit fermé pour refroidir les stations de base des radios sous différentes conditions de fonctionnement.

Thermal performance of a closed advanced two-phase thermosiphon loop for cooling of radio base stations under different operating conditions.

Auteurs : KHODABANDEH R.

Type d'article : Article

Résumé

In this investigation, an advanced thermosiphon loop with extended evaporator and condenser surfaces has been tested at high heat fluxes. The thermosiphon investigated is designed for the cooling of three parallel high heat flux electronic components. The tested evaporators were made from small blocks of copper in which five vertical channels with a diameter of 1.5 mm and length of 14.6 mm were drilled. The riser and down-comer connected the evaporators to the condenser, which is an air-cooled roll-bond type with a total surface area of 1.5 m2 on the airside. Tests were done with Isobutane (R600a) at heat loads in the range of 10-90 W/cm2 to each of the components with forced convection condenser cooling and with natural convection with heat loads of 10-70 W.

Détails

  • Titre original : Thermal performance of a closed advanced two-phase thermosiphon loop for cooling of radio base stations under different operating conditions.
  • Identifiant de la fiche : 2005-0713
  • Langues : Anglais
  • Source : Applied Thermal Engineering - vol. 24 - n. 17-18
  • Date d'édition : 12/2004

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