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Prediction Model for Bubble Contact Circle Diameter on Heating Wall

[+] Author Affiliations
De-qi Chen, Liang-ming Pan

Chongqing University, Chongqing, China

Paper No. ICONE18-30084, pp. 1031-1036; 6 pages
doi:10.1115/ICONE18-30084
From:
  • 18th International Conference on Nuclear Engineering
  • 18th International Conference on Nuclear Engineering: Volume 4, Parts A and B
  • Xi’an, China, May 17–21, 2010
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 978-0-7918-4932-3
  • Copyright © 2010 by ASME

abstract

Phenomenal and theoretical analysis about the evolution of bubble contact circle diameter during bubble growing is presented in current paper; and it is found that bubble contact diameter is dependent on bubble growth rate and bubble radius strongly. By analyzing experimental data from open literature, the relation between dimensionless bubble contact diameter, kw , and dimensionless bubble growth time, t+ , is obtained; based on this, a model relative to dimensionless bubble growth rate, dR+ /dt+ , and dimensionless bubble radius, R+ , is proposed for prediction of bubble contact diameter. With proper values for coefficients, aw and nw , this model can well predict experimental data of bubble circle contact diameter in published literatures, with an error within ±20%.

Copyright © 2010 by ASME
Topics: Bubbles , Heating

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