A Review of Conventional Friction Formulae.
Shamaa, M., Zidan, A., Sakia, S. (2021). A Review of Conventional Friction Formulae.. EKB Journal Management System, 15(2), 7-33. doi: 10.21608/bfemu.2021.171208
Mohamed Tarek Ibrahim Shamaa; A. R. Zidan; S. Sakia. "A Review of Conventional Friction Formulae.". EKB Journal Management System, 15, 2, 2021, 7-33. doi: 10.21608/bfemu.2021.171208
Shamaa, M., Zidan, A., Sakia, S. (2021). 'A Review of Conventional Friction Formulae.', EKB Journal Management System, 15(2), pp. 7-33. doi: 10.21608/bfemu.2021.171208
Shamaa, M., Zidan, A., Sakia, S. A Review of Conventional Friction Formulae.. EKB Journal Management System, 2021; 15(2): 7-33. doi: 10.21608/bfemu.2021.171208

A Review of Conventional Friction Formulae.

MEJ- Mansoura Engineering Journal
Article 2, Volume 15, Issue 2, December 1990, Page 7-33  XML PDF (279.63 K)
Document Type: Research Studies
DOI: 10.21608/bfemu.2021.171208
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Authors
Mohamed Tarek Ibrahim Shamaa email 1; A. R. Zidan2; S. Sakia2
1Assistant Professor of Irrigation and Hydraulics Department, Faculty of Engineering, Mansoura University, Mansoura, Egypt.
2Irrigation and Hydraulics Department, Faculty of Engineering, Mansoura University, Mansoura, Egypt.
Abstract
The purpose of the present research is to choose a suitable resistance formula for the local conditions of unlined open channels. This was achieved by using a mathematical model for El-Mansoura canal, east of delta, Fig.(1). To construct the numerical model field data were collected and analysed. 
Manning's equation could be used for design purposes on the condition that Manning's coefficient varies between 0.024 and 0.026, Cole-brook's formula for smooth turbulent flow gave the best accurate simulated depth and discharge values by using a modified factor.  
 
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