Pump Operating Effects on the Transient Fluid Flow.
Mansour, H., Saad ElDin, M., El Negeery, E., Draz, A. (2020). Pump Operating Effects on the Transient Fluid Flow.. EKB Journal Management System, 35(2), 1-21. doi: 10.21608/bfemu.2020.124637
H. Mansour; Mohamed S. Saad ElDin; Emad El Negeery; Ahmed Draz. "Pump Operating Effects on the Transient Fluid Flow.". EKB Journal Management System, 35, 2, 2020, 1-21. doi: 10.21608/bfemu.2020.124637
Mansour, H., Saad ElDin, M., El Negeery, E., Draz, A. (2020). 'Pump Operating Effects on the Transient Fluid Flow.', EKB Journal Management System, 35(2), pp. 1-21. doi: 10.21608/bfemu.2020.124637
Mansour, H., Saad ElDin, M., El Negeery, E., Draz, A. Pump Operating Effects on the Transient Fluid Flow.. EKB Journal Management System, 2020; 35(2): 1-21. doi: 10.21608/bfemu.2020.124637

Pump Operating Effects on the Transient Fluid Flow.

MEJ- Mansoura Engineering Journal
Article 4, Volume 35, Issue 2, June 2010, Page 1-21  XML PDF (1.13 MB)
Document Type: Research Studies
DOI: 10.21608/bfemu.2020.124637
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Authors
H. Mansour* 1; Mohamed S. Saad ElDin2; Emad El Negeery2; Ahmed Draz3
1Mechanical Power Engineering Department, Faculty of Engineering, Mansoura Univversity, El Mansoura Egypt
2Mechanical Power Engineering Department, Faculty of Engineering, Mansoura University, El Mansoura Egypt
3Mantrac Co., Egypt
Abstract
A water hammer phenomenon due to sudden closure of a valve, with centrifugal pump at upstream, was studied both experimentally and numerically. Taking into consideration the fluid-structure interaction, it produced a four equations model (fluid continuity, fluid momentum, and pipe wall momentum and stress strain equations). The four equations model was analytically solved using the method of characteristics to clarify, the centrifugal pump effect on the hammering waves. A FORTRAN program was developed to solve the model. The theoretical and experimental results indicated the pressure-time history at different positions along the pipe for different valve closing times. Also, predictions for stress-time history, fluid velocity-time history and structure velocity-time history were obtained at different positions along the pipe at different valve closing times. The obtained predictions are useful in pipeline design. 
Keywords
Water Hammer; Fluid Transient; Pump Operating; Method of Characteristic; Fluid-Structure
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