Neural Networks and Rules-based Systems used to Find Rational and Scientific Correlations between being Here and Now with Afterlife Conditions
Neural Networks and Rules-based Systems used to Find Rational and
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The objective of this study was to investigate the evolution of the friction coefficient throughout a full penstock using two different approaches. Two approaches were considered in order to assess their effectiveness in predicting head loss. A theoretical approach that based on direct determination using the commonly used Colebrook-While formula. A graphical approach that based on numerical modeling of the structure under study using Gambit 2.2 software. For the theoretical approach, the results show that whatever the other parameters set out in the Colebrook-White formula (Reynolds number, diameter and absolute roughness), only absolute roughness has a visible impact on the result obtained. For the numerical approach, the results obtained show that the friction coefficient is neither identical on the same wall, nor identical in the same portion. Nor is it identical in the same section of the pipe, as shown by the theoretical approach. This shows that head loss in a section of pipe can change over time.
Tchawe Tchawe Moukam. 2026. \u201cComparative Analysis of Friction Coefficient Evolution in Hydroelectric Dam Penstocks: Theoretical vs. Numerical Methods\u201d. Global Journal of Research in Engineering - A : Mechanical & Mechanics GJRE-A Volume 24 (GJRE Volume 24 Issue A2): .
Crossref Journal DOI 10.17406/gjre
Print ISSN 0975-5861
e-ISSN 2249-4596
The methods for personal identification and authentication are no exception.
Total Score: 107
Country: Cameroon
Subject: Global Journal of Research in Engineering - A : Mechanical & Mechanics
Authors: Tchawe Tchawe Moukam, Nkontchou Ngongang Francois, Tientcheu Nsiewe Max-Well, Djiako Thomas, Djeumako Bonaventure, Tcheukam-Toko Denis, Kenmeugne Bienvenu (PhD/Dr. count: 0)
View Count (all-time): 200
Total Views (Real + Logic): 678
Total Downloads (simulated): 27
Publish Date: 2026 01, Fri
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The objective of this study was to investigate the evolution of the friction coefficient throughout a full penstock using two different approaches. Two approaches were considered in order to assess their effectiveness in predicting head loss. A theoretical approach that based on direct determination using the commonly used Colebrook-While formula. A graphical approach that based on numerical modeling of the structure under study using Gambit 2.2 software. For the theoretical approach, the results show that whatever the other parameters set out in the Colebrook-White formula (Reynolds number, diameter and absolute roughness), only absolute roughness has a visible impact on the result obtained. For the numerical approach, the results obtained show that the friction coefficient is neither identical on the same wall, nor identical in the same portion. Nor is it identical in the same section of the pipe, as shown by the theoretical approach. This shows that head loss in a section of pipe can change over time.
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