A consideration on pipe-wall thinning mechanisms from an aspect of fluid-mechanics

Fuimo Inada, Kimitoshi Yoneda, Ryo Morita, Kazutoshi Fujiwara, Masahiro Furuya

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The contribution of the fluid mechanics to the piping wall thinning phenomena was investigated. It was shown that the fluid force to the wall was quite different between flow accelerated corrosion (FAC) and erosion. The turbulent mass transfer, which is one of the primary factors of FAC, was analogous to the turbulent heat transfer. The model that the molecular transport in the viscous sublayer nearby soon of wall was predominant was practicable. In addition, the mass transport was predicted using commercial codes of computational fluid dynamics. Some prediction results of the mass transfer in orifice and the elbow using above techniques were explained.

Original languageEnglish
Pages (from-to)218-223
Number of pages6
JournalZairyo to Kankyo/ Corrosion Engineering
Volume57
Issue number5
DOIs
Publication statusPublished - 2008 May 1
Externally publishedYes

Keywords

  • Analogy
  • Cavitation erosion
  • Flow accelerated corrosion
  • Heat transfer
  • Liquid droplet impingement erosion
  • Mass transfer
  • Turbulent flow

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrochemistry
  • Materials Chemistry

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