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2021 ◽  
Vol 228 ◽  
pp. 113005
Author(s):  
Ming Wu ◽  
Huihui Cao ◽  
Guoping Lu ◽  
Bill X. Hu ◽  
Zhou Cheng ◽  
...  

Author(s):  
Huaming Dai ◽  
Hongchao Dai ◽  
Pan Yang ◽  
Zhiqiang Wang ◽  
Ziwei Song ◽  
...  

2021 ◽  
Vol 4 (1) ◽  
pp. 22-32
Author(s):  
Joseph Ebelait ◽  
Semwogerere Twaibu ◽  
Moses Nagulama ◽  
Asaph Muhumuza Keikara

This study describes the linkage leakage in sewage pipes through a porous media using computational fluid dynamics with the presence of one leak through fluid simulations using the Ansys fluent 17.2 commercial software based on standard k-ε model under steady-state condition. The pipe section is three-dimensional with a pipe length of 40 mm, a pipe diameter of 20 mm, and leak orifice diameter of 2 mm with a porous media of length 25 mm and width 30 mm. The interest of this study was to reduce the rate of sewage leakage in pipes laid underground by use computational fluid dynamics. The simulation results obtained shows that when the flow is subjected to an outlet pressure between 100000 Pa to 275000 Pa the sewage leaks at pressures of 99499 Pa to 278799.8 Pa indicating that increase of outlet pressures increases the pressure at the leak point and also an increase in the inlet velocity resulted into an increase of velocity at the leak point and no significant change in sewage flow rate with increased inlet velocities. Therefore, monitoring of the pressure and velocity fields along the pipeline is an extremely important tool to identify leaks since these fields are affected by perturbations both before the leak point and after the leak point.


Author(s):  
Ruichang Guo ◽  
Hanxing Sun ◽  
Qingqi Zhao ◽  
Zihao Li ◽  
Yang Liu ◽  
...  

2021 ◽  
Vol 6 (11) ◽  
Author(s):  
Nancy B. Lu ◽  
Daniel B. Amchin ◽  
Sujit S. Datta
Keyword(s):  

2022 ◽  
Vol 141 ◽  
pp. 104528
Author(s):  
Lanhao Zhao ◽  
Hairong Zhang ◽  
Jia Mao ◽  
Yingtang Di

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