Application of two population balance models to predicting large scale multi-size bubbly flow

Duan, X, Li, Y, Cheung, C and Tu, J 2011, 'Application of two population balance models to predicting large scale multi-size bubbly flow', Hsi-An Chiao Tung Ta Hsueh/Journal of Xi'an Jiaotong University, vol. 45, no. 12, pp. 92-98.


Document type: Journal Article
Collection: Journal Articles

Title Application of two population balance models to predicting large scale multi-size bubbly flow
Author(s) Duan, X
Li, Y
Cheung, C
Tu, J
Year 2011
Journal name Hsi-An Chiao Tung Ta Hsueh/Journal of Xi'an Jiaotong University
Volume number 45
Issue number 12
Start page 92
End page 98
Total pages 7
Publisher Xi'an Jiaotong Daxue
Abstract Aiming at investigating fluid flowing behaviours in large scale multi-size bubbly flow, two population balance models, named Bubble Number Density Transfer (BNDT) model and Multi-Size-Group (MUSIG) model coupled with bubble coalescence and breakage mechanism respectively, are employed to simulate the MTLOOP (Multi-phase Loop) experiment with characteristics of coalescence dominating trends. In comparison to experimental data, both models are able to well capture the dynamic evolution trends of bubble diameter and transition of gas volume fraction distribution, but the computing period of BNDT gets shorter by 1/10~1/20 than that of MUSIG under the similar predictions, thus BNDT model is more appropriate for predicting large scale multi-size bubbly flow in rocket engineering.
Keyword(s) Bubble breakup
Bubble coalescence
Multi-size bubbly flow
Numerical simulation
Population balance approach
Rocket engineering
Copyright notice © 2011 Xi'an Jiaotong Daxue
ISSN 0253-987X
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