ECONOMIC DESIGN SOLUTION OF TRAPEZOIDAL OPEN CHANNEL SECTION INVOLVIONG PUMPING USING OPTIMUM DERIVATIVE OF WATER BENEFIT FUNCTION

In the present paper, an economic water benefit design mathematical solution has been derived for trapezoidal open channel section involving pumping which is based on hydraulic and economic considerations. The solution utilizes the derivative optimum of water benefit function and maximizes the benef...

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Main Author: Mohamed Somaida
Format: Article
Language:English
Published: Port Said University 2017-03-01
Series:Port Said Engineering Research Journal
Subjects:
Online Access:https://pserj.journals.ekb.eg/article_33436_13b85cadaaa18174f5e862c338f83142.pdf
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author Mohamed Somaida
author_facet Mohamed Somaida
author_sort Mohamed Somaida
collection DOAJ
description In the present paper, an economic water benefit design mathematical solution has been derived for trapezoidal open channel section involving pumping which is based on hydraulic and economic considerations. The solution utilizes the derivative optimum of water benefit function and maximizes the benefit gained from the delivered water to reach the maximum water benefit MWB design solution. The solution is applied on a channel example and the results obtained are compared with those obtained by an earlier solution based on the minimum construction cost MC design of the channel only. The channel costs in both solutions are found to be of nearer magnitudes with little deviation. It is not necessary that the channel geometry in both cases must be identical, because the MWB solution depends on several factors such as; water benefit variables, pumping cost parameters and channel length, while the minimum cost MC solution depends on the channel cost parameters only. The MWB design solution is advantageous in that it achieves money gains even the delivered water is of cheap price, while this advantage is not satisfied in the earlier solution. However, the present study introduces an analytical solution for developing comprehensive water benefit and costing. The results of the given channel example involving pumping, demonstrate the simplicity and practicability of the MWB design solution as well as water benefit verification
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spelling doaj.art-1579ba28f8f84498be90b5ee7db799182023-10-23T06:07:58ZengPort Said UniversityPort Said Engineering Research Journal1110-66032536-93772017-03-01211314010.21608/pserj.2017.3343633436ECONOMIC DESIGN SOLUTION OF TRAPEZOIDAL OPEN CHANNEL SECTION INVOLVIONG PUMPING USING OPTIMUM DERIVATIVE OF WATER BENEFIT FUNCTIONMohamed Somaida0Civil Engineering Department, Faculty of Engineering, Port Said University, Port Said, Egypt.In the present paper, an economic water benefit design mathematical solution has been derived for trapezoidal open channel section involving pumping which is based on hydraulic and economic considerations. The solution utilizes the derivative optimum of water benefit function and maximizes the benefit gained from the delivered water to reach the maximum water benefit MWB design solution. The solution is applied on a channel example and the results obtained are compared with those obtained by an earlier solution based on the minimum construction cost MC design of the channel only. The channel costs in both solutions are found to be of nearer magnitudes with little deviation. It is not necessary that the channel geometry in both cases must be identical, because the MWB solution depends on several factors such as; water benefit variables, pumping cost parameters and channel length, while the minimum cost MC solution depends on the channel cost parameters only. The MWB design solution is advantageous in that it achieves money gains even the delivered water is of cheap price, while this advantage is not satisfied in the earlier solution. However, the present study introduces an analytical solution for developing comprehensive water benefit and costing. The results of the given channel example involving pumping, demonstrate the simplicity and practicability of the MWB design solution as well as water benefit verificationhttps://pserj.journals.ekb.eg/article_33436_13b85cadaaa18174f5e862c338f83142.pdfchannel geometrypumping costschannel construction costsoptimizationmaximum water benefit mwb functionoptimal economic depth of flowmoney gain
spellingShingle Mohamed Somaida
ECONOMIC DESIGN SOLUTION OF TRAPEZOIDAL OPEN CHANNEL SECTION INVOLVIONG PUMPING USING OPTIMUM DERIVATIVE OF WATER BENEFIT FUNCTION
Port Said Engineering Research Journal
channel geometry
pumping costs
channel construction costs
optimization
maximum water benefit mwb function
optimal economic depth of flow
money gain
title ECONOMIC DESIGN SOLUTION OF TRAPEZOIDAL OPEN CHANNEL SECTION INVOLVIONG PUMPING USING OPTIMUM DERIVATIVE OF WATER BENEFIT FUNCTION
title_full ECONOMIC DESIGN SOLUTION OF TRAPEZOIDAL OPEN CHANNEL SECTION INVOLVIONG PUMPING USING OPTIMUM DERIVATIVE OF WATER BENEFIT FUNCTION
title_fullStr ECONOMIC DESIGN SOLUTION OF TRAPEZOIDAL OPEN CHANNEL SECTION INVOLVIONG PUMPING USING OPTIMUM DERIVATIVE OF WATER BENEFIT FUNCTION
title_full_unstemmed ECONOMIC DESIGN SOLUTION OF TRAPEZOIDAL OPEN CHANNEL SECTION INVOLVIONG PUMPING USING OPTIMUM DERIVATIVE OF WATER BENEFIT FUNCTION
title_short ECONOMIC DESIGN SOLUTION OF TRAPEZOIDAL OPEN CHANNEL SECTION INVOLVIONG PUMPING USING OPTIMUM DERIVATIVE OF WATER BENEFIT FUNCTION
title_sort economic design solution of trapezoidal open channel section involviong pumping using optimum derivative of water benefit function
topic channel geometry
pumping costs
channel construction costs
optimization
maximum water benefit mwb function
optimal economic depth of flow
money gain
url https://pserj.journals.ekb.eg/article_33436_13b85cadaaa18174f5e862c338f83142.pdf
work_keys_str_mv AT mohamedsomaida economicdesignsolutionoftrapezoidalopenchannelsectioninvolviongpumpingusingoptimumderivativeofwaterbenefitfunction