DYNAMICS OF SUSPENDED SOLIDS IN DOWNWARD TURBULENT AIR FLOW THROUGH SUDDEN EXPANSION PIPE
El-Askary, W., Eldesoky, I., Saleh, O., El-Behery, S., Dawood, A. (2016). DYNAMICS OF SUSPENDED SOLIDS IN DOWNWARD TURBULENT AIR FLOW THROUGH SUDDEN EXPANSION PIPE. EKB Journal Management System, 8(International Conference on Mathematics and Engineering Physics (ICMEP-8)), 1-19. doi: 10.21608/icmep.2016.29614
W. A. El-Askary; I. M. Eldesoky; O. Saleh; S. M. El-Behery; A. S. Dawood. "DYNAMICS OF SUSPENDED SOLIDS IN DOWNWARD TURBULENT AIR FLOW THROUGH SUDDEN EXPANSION PIPE". EKB Journal Management System, 8, International Conference on Mathematics and Engineering Physics (ICMEP-8), 2016, 1-19. doi: 10.21608/icmep.2016.29614
El-Askary, W., Eldesoky, I., Saleh, O., El-Behery, S., Dawood, A. (2016). 'DYNAMICS OF SUSPENDED SOLIDS IN DOWNWARD TURBULENT AIR FLOW THROUGH SUDDEN EXPANSION PIPE', EKB Journal Management System, 8(International Conference on Mathematics and Engineering Physics (ICMEP-8)), pp. 1-19. doi: 10.21608/icmep.2016.29614
El-Askary, W., Eldesoky, I., Saleh, O., El-Behery, S., Dawood, A. DYNAMICS OF SUSPENDED SOLIDS IN DOWNWARD TURBULENT AIR FLOW THROUGH SUDDEN EXPANSION PIPE. EKB Journal Management System, 2016; 8(International Conference on Mathematics and Engineering Physics (ICMEP-8)): 1-19. doi: 10.21608/icmep.2016.29614

DYNAMICS OF SUSPENDED SOLIDS IN DOWNWARD TURBULENT AIR FLOW THROUGH SUDDEN EXPANSION PIPE

The International Conference on Mathematics and Engineering Physics
Article 5, Volume 8, International Conference on Mathematics and Engineering Physics (ICMEP-8), April 2016, Page 1-19  XML PDF (1.34 MB)
Document Type: Original Article
DOI: 10.21608/icmep.2016.29614
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Authors
W. A. El-Askary1; I. M. Eldesoky2; O. Saleh2; S. M. El-Behery1; A. S. Dawood2
1Mechanical Power Engineering Department, Faculty of Engineering, Menoufiya University, Shebin El-Kom, EGYPT.
2Basic Engineering Science Department, Faculty of Engineering, Menoufiya University, Shebin El-Kom, EGYPT.
Abstract
Abstract A method with hybrid scheme is used to simulate turbulent gas-solid flow through sudden expansion pipe. The present developed code introduces good results in view of comparisons with available experimental data. This encourages the authors to extend the theoretical work considering different parameters. The effects of solid-particles on downward turbulent-air flow through the sudden expansion are simulated using Eulerian-Lagrangian approach. Reynolds averaged Navier Stokes equations associated with standard k-ε turbulence model are used with four-way coupling between the two phases. The separation size is discussed under different effects including: particle sizes, mass loading ratios, area ratios and Reynolds numbers. The computational results indicate that the finest particles can increase the separation bubble size.
Keywords
Gas-solid flow; Sudden-expansion; Eulerian-Lagrangian; Separation; reattachment length
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