Stability of vapor film in subcooled forced-convection film boiling on a horizontal cylinder (an analysis considering the effect of periodic heat conduction)

Hiroshi Honda, Hiroshi Takamatsu, Hikaru Yamashiro

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A linear stability analysis of vapor film in forced-convection film boiling on a horizontal cylinder is presented that considers the effects of liquid inertia, viscosity and compressibility of vapor, and periodic heat conduction. The theoretical prediction of the critical vaper film thickness compared well with the measured mean vapor film thickness at the minimum-heat-fiux point that was obtained from the rapid quenching experiments of thin horizontal wires in water and ethanol. However, while the theoretical prediction was about 20% higher than the experiment for water, the former was about 15% lower than the latter for ethanol. Discussion was given to the cause of this difference between the water and ethanol results.

Original languageEnglish
Pages (from-to)4166-4171
Number of pages6
JournalNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume64
Issue number628
DOIs
Publication statusPublished - Dec 1998

Fingerprint

film boiling
forced convection
Forced convection
Heat conduction
conductive heat transfer
Boiling liquids
Ethanol
ethyl alcohol
Vapors
vapors
Film thickness
Compressibility of liquids
film thickness
water
Rapid quenching
Water
Viscosity of liquids
Linear stability analysis
predictions
inertia

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanical Engineering

Cite this

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N2 - A linear stability analysis of vapor film in forced-convection film boiling on a horizontal cylinder is presented that considers the effects of liquid inertia, viscosity and compressibility of vapor, and periodic heat conduction. The theoretical prediction of the critical vaper film thickness compared well with the measured mean vapor film thickness at the minimum-heat-fiux point that was obtained from the rapid quenching experiments of thin horizontal wires in water and ethanol. However, while the theoretical prediction was about 20% higher than the experiment for water, the former was about 15% lower than the latter for ethanol. Discussion was given to the cause of this difference between the water and ethanol results.

AB - A linear stability analysis of vapor film in forced-convection film boiling on a horizontal cylinder is presented that considers the effects of liquid inertia, viscosity and compressibility of vapor, and periodic heat conduction. The theoretical prediction of the critical vaper film thickness compared well with the measured mean vapor film thickness at the minimum-heat-fiux point that was obtained from the rapid quenching experiments of thin horizontal wires in water and ethanol. However, while the theoretical prediction was about 20% higher than the experiment for water, the former was about 15% lower than the latter for ethanol. Discussion was given to the cause of this difference between the water and ethanol results.

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