Dynamics of boiling succeeding spontaneous nucleation on a rapidly heated small surface

Kunito Okuyama, Shoji Mori, Kimihiro Sawa, Yoshihiro Iida

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

The dynamics of boiling succeeding spontaneous nucleation on a small film heater immersed in ethyl alcohol are investigated at heating rates ranging from 107 K/s to approximately 109 K/s, under which spontaneous nucleation is dominant for the inception of boiling. Immediately after the concurrent generation of a large number of fine bubbles, a vapor film that covers the entire surface is formed by coalescence and rapidly expands to a single bubble. As the heating rate is increased, the coalesced bubble flattens and only a thin vapor film grows before cavitation collapse. Similar behaviors are also observed for water. Based on the observed results, a theoretical model of the dynamic bubble growth due to the self-evaporation of the superheated liquid layer, which develops before boiling incipience, is presented. The calculated results are compared with the observed results.

Original languageEnglish
Pages (from-to)2771-2780
Number of pages10
JournalInternational Journal of Heat and Mass Transfer
Volume49
Issue number15-16
DOIs
Publication statusPublished - Jul 1 2006
Externally publishedYes

Fingerprint

boiling
Boiling liquids
Nucleation
bubbles
nucleation
Heating rate
Vapors
vapors
Coalescence
Cavitation
heating
Evaporation
Ethanol
cavitation flow
heaters
coalescing
ethyl alcohol
Water
evaporation
Liquids

All Science Journal Classification (ASJC) codes

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

Cite this

Dynamics of boiling succeeding spontaneous nucleation on a rapidly heated small surface. / Okuyama, Kunito; Mori, Shoji; Sawa, Kimihiro; Iida, Yoshihiro.

In: International Journal of Heat and Mass Transfer, Vol. 49, No. 15-16, 01.07.2006, p. 2771-2780.

Research output: Contribution to journalArticle

Okuyama, Kunito ; Mori, Shoji ; Sawa, Kimihiro ; Iida, Yoshihiro. / Dynamics of boiling succeeding spontaneous nucleation on a rapidly heated small surface. In: International Journal of Heat and Mass Transfer. 2006 ; Vol. 49, No. 15-16. pp. 2771-2780.
@article{fc20d0e91f68469da68f8ed57e69282e,
title = "Dynamics of boiling succeeding spontaneous nucleation on a rapidly heated small surface",
abstract = "The dynamics of boiling succeeding spontaneous nucleation on a small film heater immersed in ethyl alcohol are investigated at heating rates ranging from 107 K/s to approximately 109 K/s, under which spontaneous nucleation is dominant for the inception of boiling. Immediately after the concurrent generation of a large number of fine bubbles, a vapor film that covers the entire surface is formed by coalescence and rapidly expands to a single bubble. As the heating rate is increased, the coalesced bubble flattens and only a thin vapor film grows before cavitation collapse. Similar behaviors are also observed for water. Based on the observed results, a theoretical model of the dynamic bubble growth due to the self-evaporation of the superheated liquid layer, which develops before boiling incipience, is presented. The calculated results are compared with the observed results.",
author = "Kunito Okuyama and Shoji Mori and Kimihiro Sawa and Yoshihiro Iida",
year = "2006",
month = "7",
day = "1",
doi = "10.1016/j.ijheatmasstransfer.2006.01.002",
language = "English",
volume = "49",
pages = "2771--2780",
journal = "International Journal of Heat and Mass Transfer",
issn = "0017-9310",
publisher = "Elsevier Limited",
number = "15-16",

}

TY - JOUR

T1 - Dynamics of boiling succeeding spontaneous nucleation on a rapidly heated small surface

AU - Okuyama, Kunito

AU - Mori, Shoji

AU - Sawa, Kimihiro

AU - Iida, Yoshihiro

PY - 2006/7/1

Y1 - 2006/7/1

N2 - The dynamics of boiling succeeding spontaneous nucleation on a small film heater immersed in ethyl alcohol are investigated at heating rates ranging from 107 K/s to approximately 109 K/s, under which spontaneous nucleation is dominant for the inception of boiling. Immediately after the concurrent generation of a large number of fine bubbles, a vapor film that covers the entire surface is formed by coalescence and rapidly expands to a single bubble. As the heating rate is increased, the coalesced bubble flattens and only a thin vapor film grows before cavitation collapse. Similar behaviors are also observed for water. Based on the observed results, a theoretical model of the dynamic bubble growth due to the self-evaporation of the superheated liquid layer, which develops before boiling incipience, is presented. The calculated results are compared with the observed results.

AB - The dynamics of boiling succeeding spontaneous nucleation on a small film heater immersed in ethyl alcohol are investigated at heating rates ranging from 107 K/s to approximately 109 K/s, under which spontaneous nucleation is dominant for the inception of boiling. Immediately after the concurrent generation of a large number of fine bubbles, a vapor film that covers the entire surface is formed by coalescence and rapidly expands to a single bubble. As the heating rate is increased, the coalesced bubble flattens and only a thin vapor film grows before cavitation collapse. Similar behaviors are also observed for water. Based on the observed results, a theoretical model of the dynamic bubble growth due to the self-evaporation of the superheated liquid layer, which develops before boiling incipience, is presented. The calculated results are compared with the observed results.

UR - http://www.scopus.com/inward/record.url?scp=33646562522&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=33646562522&partnerID=8YFLogxK

U2 - 10.1016/j.ijheatmasstransfer.2006.01.002

DO - 10.1016/j.ijheatmasstransfer.2006.01.002

M3 - Article

VL - 49

SP - 2771

EP - 2780

JO - International Journal of Heat and Mass Transfer

JF - International Journal of Heat and Mass Transfer

SN - 0017-9310

IS - 15-16

ER -