On the quenching of stainless steel rods with a honeycomb porous plate on a nanoparticle deposited surface in saturated water

Fumihisa Yokomatsu, Wilton Fogaça, Shoji Mori, Mikako Tanaka

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Quenching of a stainless-steel rod with a porous ceramic structure, i.e. honeycomb porous plate (HPP), attached to its lower surface was investigated in distilled water under saturated conditions at atmospheric pressure. The experiments were performed on bare surface (BS) and on a TiO2 nanoparticle-deposited surface (NPDS). When the HPP was attached, the quenching rate increased significantly on both tested surfaces. The quench time for the NPDS with the HPP was 28-times shorter than that for the bare stainless-steel surface. The results suggested that the combination of the HPP ability to transport water to the heat-transfer surface by capillary action, and the increase of surface roughness, capillarity and wettability properties by the deposited nanoparticle layer were responsible for the enhancement obtained.

Original languageEnglish
Pages (from-to)507-514
Number of pages8
JournalInternational Journal of Heat and Mass Transfer
Volume127
DOIs
Publication statusPublished - Dec 2018
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

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