Back to Search Start Over

Study of bubble growth in water pool boiling through synchronized, infrared thermometry and high-speed video

Authors :
Massachusetts Institute of Technology. Department of Nuclear Science and Engineering
MIT Nuclear Reactor Laboratory
Buongiorno, Jacopo
Gerardi, Craig
Hu, Lin-Wen
McKrell, Thomas J.
Massachusetts Institute of Technology. Department of Nuclear Science and Engineering
MIT Nuclear Reactor Laboratory
Buongiorno, Jacopo
Gerardi, Craig
Hu, Lin-Wen
McKrell, Thomas J.
Source :
Buongiorno via Chris Sherratt
Publication Year :
2012

Abstract

High-speed video and infrared thermometry were used to obtain time- and space-resolved information on bubble nucleation and heat transfer in pool boiling of water. The bubble departure diameter and frequency, growth and wait times, and nucleation site density were directly measured for a thin, electrically-heated, indium–tin-oxide surface, laid on a sapphire substrate. These data are very valuable for validation of two-phase flow and heat transfer models, including computational fluid dynamics with interface tracking methods. Here, detailed experimental bubble-growth data from individual nucleation sites were used to evaluate simple, commonly-used, but poorly-validated, bubble-growth and nucleate-boiling heat-transfer models. The agreement between the data and the models was found to be reasonably good. Also, the heat flux partitioning model, to which our data on nucleation site density, bubble departure diameter and frequency were directly fed, suggests that transient conduction following bubble departure is the dominant contribution to nucleate-boiling heat transfer.

Details

Database :
OAIster
Journal :
Buongiorno via Chris Sherratt
Notes :
application/pdf, en_US
Publication Type :
Electronic Resource
Accession number :
edsoai.on1155491291
Document Type :
Electronic Resource