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Thermal performance of a closed advanced two-phase thermosyphon loop for cooling of radio base stations at different operating conditions
KTH, Superseded Departments, Energy Technology.
2004 (English)In: Applied Thermal Engineering, ISSN 1359-4311, E-ISSN 1873-5606, Vol. 24, no 17-18, 2643-2655 p.Article in journal (Refereed) Published
Abstract [en]

ln this investigation an advanced thermosyphon loop with extended evaporator and condenser surfaces has been tested at high heat fluxes. The thermosyphon 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 downcomer connected the evaporators to the condenser, which is an air-cooled roll-bond type with a total surface area of 1.5 m(2) on the airside. Tests were done with Isobutane (R600a) at heat loads in the range of 10-90 W/cm(2) to each of the components with forced convection condenser cooling and with natural convection with heat loads of 10-70 W.

Place, publisher, year, edition, pages
2004. Vol. 24, no 17-18, 2643-2655 p.
Keyword [en]
thermosyphon cooling, electronic cooling, thermal performance, radio, base stations, electronic components, tube separator, channels, flow
Identifiers
URN: urn:nbn:se:kth:diva-23829DOI: 10.1016/j.applthermaleng.2004.05.006ISI: 000224654300013Scopus ID: 2-s2.0-4344701273OAI: oai:DiVA.org:kth-23829DiVA: diva2:342528
Note

QC 20100525

Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-06-08Bibliographically approved

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