Pressure drop across micro-pin heat sinks under unstable boiling conditions

Kosar A., Ozdemir M. R., Keskinoz M.

INTERNATIONAL JOURNAL OF THERMAL SCIENCES, vol.49, no.7, pp.1253-1263, 2010 (SCI-Expanded, Scopus) identifier identifier

  • Publication Type: Article / Article
  • Volume: 49 Issue: 7
  • Publication Date: 2010
  • Doi Number: 10.1016/j.ijthermalsci.2009.12.018
  • Journal Name: INTERNATIONAL JOURNAL OF THERMAL SCIENCES
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.1253-1263
  • Keywords: Micro pin fins, Microchannels, Unstable boiling, Boiling instabilities, SINGLE-PHASE FLOW, MICROCHANNELS, FLUX, PERFORMANCE, WATER, BANK
  • Marmara University Affiliated: Yes

Abstract

Flow boiling was investigated under unstable boiling conditions in three different micro-pin fin heat sinks using water and R-123 as working fluids. Once boiling was initiated severe temperature fluctuations were recorded for all the tested (three) micro-pin fin heat sinks.