Pool-boiling enhancement by novel metallic nanoporous surface

Yong Tang, Biao Tang, Qing Li, Jianbo Qing, Longsheng Lu, Kangping Chen

Research output: Contribution to journalArticle

70 Scopus citations

Abstract

Dealloying is an ideal method for fabricating thermal-conductive metallic nanoporous materials with well-ordered nano-structures. In this experimental study, the nucleate pool boiling heat transfer performance of a nanoporous copper surface fabricated by the facile hot-dip galvanizing/dealloying (HDGD) process is investigated with saturated deionized water. Dramatic reduction of wall superheat and improvement of heat transfer coefficient (HTC) were observed for the nanostructured surface compared to those of unstructured surface, particularly at low heat flux conditions.

Original languageEnglish (US)
Pages (from-to)194-198
Number of pages5
JournalExperimental Thermal and Fluid Science
Volume44
DOIs
StatePublished - Jan 1 2013

Keywords

  • Dealloying
  • Enhanced heat transfer
  • Hot-dip galvanizing
  • Metallic nanoporous surface
  • Pool boiling

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Nuclear Energy and Engineering
  • Aerospace Engineering
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

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