scholarly journals Optimal Pipe Size Design for Looped Irrigation Water Supply System Using Harmony Search: Saemangeum Project Area

2015 ◽  
Vol 2015 ◽  
pp. 1-10 ◽  
Author(s):  
Do Guen Yoo ◽  
Ho Min Lee ◽  
Ali Sadollah ◽  
Joong Hoon Kim
Keyword(s):  
Water Supply ◽  
Irrigation Water ◽  
Harmony Search ◽  
Cost Effective ◽  
Pipe Diameter ◽  
Water Supply Systems ◽  
Agricultural Irrigation ◽  
Network System ◽  
Supply Systems ◽  
Looped Network

Water supply systems are mainly classified into branched and looped network systems. The main difference between these two systems is that, in a branched network system, the flow within each pipe is a known value, whereas in a looped network system, the flow in each pipe is considered an unknown value. Therefore, an analysis of a looped network system is a more complex task. This study aims to develop a technique for estimating the optimal pipe diameter for a looped agricultural irrigation water supply system using a harmony search algorithm, which is an optimization technique. This study mainly serves two purposes. The first is to develop an algorithm and a program for estimating a cost-effective pipe diameter for agricultural irrigation water supply systems using optimization techniques. The second is to validate the developed program by applying the proposed optimized cost-effective pipe diameter to an actual study region (Saemangeum project area, zone 6). The results suggest that the optimal design program, which applies an optimization theory and enhances user convenience, can be effectively applied for the real systems of a looped agricultural irrigation water supply.

Design of irrigation water supply systems using theQ-Cfeasibility domain concept: I. Introduction and theory

2009 ◽  
Vol 58 (1) ◽  
pp. 50-60 ◽  
Author(s):  
Gideon Sinai ◽  
Ben-Zion Dalins ◽  
Daniel Cohen ◽  
Uri Shamir
Keyword(s):  
Water Supply ◽  
Irrigation Water ◽  
Water Supply Systems ◽  
Supply Systems ◽  
Domain Concept

Frequency pressure regulation in water supply systems

2013 ◽  
Vol 13 (4) ◽  
pp. 896-905 ◽  
Author(s):  
Ivan Halkijevic ◽  
Zivko Vukovic ◽  
Drazen Vouk
Keyword(s):  
Water Supply ◽  
Cost Effective ◽  
Pressure Control ◽  
Water Supply Systems ◽  
Pressure Regulation ◽  
Effective Activity ◽  
Variable Frequency Drives ◽  
Loss Control ◽  
Supply Systems ◽  
The City

In water supply systems, pressure management in most cases is proven to be the most cost-effective activity related to water loss control. As an advanced method of pressure control, it is possible to use variable frequency drives for centrifugal pump control. Pressure regulation can be performed with constant pressure or with proportional pressure control. The application of proportional pressure control is particularly applicable in water supply systems as the operating pump performance is constantly adapting the pressure to the actual demand. Along with lower leakage losses, it also results in lower energy consumption and the elimination of non-stationary phenomena, thereby extending the pump lifetime. Therefore, the paper presents a theoretical discussion of the proportional pressure control. Possible savings are shown on the numerical example of water supply system of the city of Velika Gorica.

scholarly journals PENENTUAN DIAMETER PIPA OPTIMAL DALAM PERENCANAAN SISTEM PENYEDIAAN AIR BERSIH DI KECAMATAN WONOTIRTO KABUPATEN BLITAR PROVINSI JAWA TIMUR

SONDIR ◽  
2021 ◽  
Vol 5 (1) ◽  
pp. 7-12
Author(s):  
Nenny Roostriawaty ◽  
Sriliani ◽  
Muhammad Erfan
Keyword(s):  
Water Supply ◽  
Groundwater Discharge ◽  
Topographic Maps ◽  
Pipe Diameter ◽  
Water Supply Systems ◽  
Clean Water ◽  
Mountainous Areas ◽  
Supply Systems ◽  
Geoelectric Data

Optimization of pipe diameter in the planning of clean water supply systems in Wonotirto District aims to determine the projected demand for clean water in Wonotirto District until 2028. This research was conducted because currently the distribution of clean water in the study location is still not completely fulfilled. Topographical conditions, most of which are in mountainous areas, cause one of the reasons for the difficulty of distributing clean water. The pipe diameter optimization planning in this study uses the Hazen-William method. The data used are the population in the last 10 years, geoelectric data, and topographic maps of Wonotirto District, Blitar Regency. Based on the results of the planning, it is found that the projected number of population in 2020 is 37,013 people. the discharge of clean water needs is 63.73 liters / second, the dimensions of reservoir 1 are planned to be 6 m x 4 m x 3 m, reservoir 2 is planned to be 6.5 m x 4 m x 3 m. The type of pipe used is the type of PVC with a diameter of 0.75 inches, 1 inch, 1.25 inches, 1.5 inches, 2 inches, 2.5 inches, 3 inches, 4 inches, 6 inches, where planning calculations are carried out using the Hazen-William Method. The limited amount of groundwater discharge at the location means that not all villages in the Wonotirto District area have their clean water needs met and it is hoped that further research will improve this research.

Regulating reservoirs in pressurized irrigation water supply systems

2006 ◽  
Vol 55 (5) ◽  
pp. 367-381 ◽  
Author(s):  
I. Pulido-Calvo ◽  
J. C. Gutiérrez-Estrada ◽  
R. López-Luque ◽  
J. Roldán
Keyword(s):  
Water Supply ◽  
Irrigation Water ◽  
Water Supply Systems ◽  
Pressurized Irrigation ◽  
Supply Systems

scholarly journals ENSURING COST-EFFECTIVE AND RELIABLE OPERATION OF AGRICULTURAL WATER SUPPLY SYSTEMS (AS IN THE CASE OF WATER SUPPLY SYSTEMS OF TARASIVKA VILLAGE IN KYIV REGION)

2019 ◽  
pp. 175-185
Author(s):  
V. V. Nor ◽  
T. Р. Khomutetska
Keyword(s):  
Water Supply ◽  
Cost Effective ◽  
Supply System ◽  
Water Supply System ◽  
Water Supply Systems ◽  
Agricultural Water ◽  
Reliable Operation ◽  
Agricultural Water Supply ◽  
Supply Systems ◽  
Efficiency And Reliability

The current state of water supply in Ukraine was analyzed and the main problems that arise on the existing water supply systems, related to the lack of efficiency of both water treatment technologies and operation conditions of the water supply system structures, characterized by high energy consumption, excess pressure formation and accident rate increase were studied. It was specified that in agricultural water supply systems additional difficulties can arise due to significant fluctuations of water consumption during the day, therefore, there is a need for the study of the joint work of interacting structures, especially in the towerless schemes. It is shown that to solve the problems of reliable provision of consumers with the required water amounts, water pressures and water quality, is possible taking into account the requirements of economy, reliability and environmental safety, and to identify weaknesses and develop recommendations for ensuring the efficient operation of structures can be fulfilled by mathematical modeling and analysis of various possible variants of system operation. The issue of increasing the efficiency and reliability of agricultural supply systems was considered using the example of the water supply system in Tarasivka village of Kyiv region. The article deals with increasing the efficiency and reliability of agricultural water supply systems. The results of the study of water supply systems operation, based on the utilization of ground water in the village of Tarasivka, Kyiv region are given, which demonstrate that when pumping water from the well directly into the water supply network, excess damage energy for water lift occurs. The reliability of the water supply system, when pumping water from the well, was analyzed and the measures to ensure cost-effective and reliable operation of water supply structures while reducing the specific costs of electricity for supplying water to consumers and improving its quality were proposed.

The technical efficiency of the Apulian winegrowing farms with different irrigation water supply systems

2020 ◽  
pp. 1-24
Author(s):  
Ruggiero Sardaro ◽  
Piermichele La Sala
Keyword(s):  
Water Supply ◽  
Technical Efficiency ◽  
Economic Performance ◽  
Irrigation Water ◽  
Water Supply Systems ◽  
Water Networks ◽  
Supply Systems ◽  
Private Wells

Apulia has a considerable demand of irrigation water, however high inefficiency levels of the collective water networks force most of the regional farms to use groundwater, with a consequent worsening of its quality, as well as of soil and crops characteristics. Therefore, the use of sustainable supply methodsfor irrigation water is desirable both through improvements of the collective networks and by appropriate economic tools.However, making the correct choices in these matters requires knowledge concerning the effects of the present water supply systems on the economic performance of farms.The objective of this study is to measure and compare the technical efficiency of winegrowing farms in northern Apulia that use different supply systems for irrigation water: groundwater from private wells, irrigation water from collective networks, and irrigation water from both private wells and collective networks. The results enable to understand if and how different supply systems of irrigation water affect the management of productive factors and inputs. These findings also provide useful information for appropriate policies aimed at preserving groundwater and its externalities, as well as at improving the economic performance of Apulian farms.

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