scholarly journals Identifying Critical Components in Water Networks Using Time-Dependent Data

10.29007/pjhc ◽  
2018 ◽  
Author(s):  
Nazli Yonca Aydin
Keyword(s):  
Water Supply ◽  
Decision Makers ◽  
Population Increase ◽  
Dependent Data ◽  
Water Supply Systems ◽  
Water Networks ◽  
Strategic Plans ◽  
Critical Components ◽  
Supply Systems ◽  
Critical Locations

Water supply systems are under stress due to population increase, climate change, aging infrastructures, terrorist attacks etc. all of which have an impact on the operation of water infrastructures resulting in failures/disruptions. The aim of this research is to evaluate the structural and operational properties of water supply systems together and identify the most critical locations in water networks and evaluate the systems’ functionalities. Graph-based metrics, called the entropic degree, is used to identify the critical locations on different network structures using the flow as a weighting parameter on links. The results would assist authorities, decision-makers in strategic plans for prioritizing and rehabilitating network components, identifying vulnerable locations as well as in enhancing the resilience of future water supply systems.

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.

scholarly journals Comprehensive Indicator Bank for Resilience of Water Supply Systems

2021 ◽  
Vol 2021 ◽  
pp. 1-19
Author(s):  
Mostafa Baghersad ◽  
Suzanne Wilkinson ◽  
Hamed Khatibi
Keyword(s):  
Water Supply ◽  
Decision Makers ◽  
Water Supply Systems ◽  
Work Setting ◽  
Power Networks ◽  
Comprehensive Database ◽  
Exploratory Approach ◽  
Real Work ◽  
Supply Systems ◽  
Comprehensive Indicator

Appropriate indicators are required to measure the resilience of water supply systems (WSSs). However, it is challenging to identify appropriate indicators since there is no comprehensive database of indicators to measure its resiliency. This study will establish a comprehensive bank of indicators to assist water corporations and decision-makers in selecting appropriate indicators for their particular system. The suggested indicator bank is comprised of three layers such as dimension, attributes, and the number of indicators resulting from 12 different indicator codes that the study has analysed. In addition, this paper presents instructions on how the indicator bank can be used and integrated with water enterprises, enabling decision-makers to pick the relevant indicators. The proposed indicator bank is an exploratory approach that should be validated in a real work setting since resilience is a challenging concept, and WSSs are complex due to their dependencies to other lifelines such as power networks with too many variables that may affect the actual outcomes.

ELECTRICITY LOAD PREDICTION FOR WATER SUPPLY SYSTEMS

2008 ◽  
Vol 7 (4) ◽  
pp. 453-458
Author(s):  
Mihai Gavrilas ◽  
Gilda Gavrilas ◽  
Ovidiu Ivanov
Keyword(s):  
Water Supply ◽  
Water Supply Systems ◽  
Load Prediction ◽  
Electricity Load ◽  
Supply Systems

LAVIN NDZ-S BRONZE

Alloy Digest ◽  
1965 ◽  
Vol 14 (5) ◽  
Keyword(s):  
Water Supply ◽  
Physical Properties ◽  
Tensile Properties ◽  
Base Alloy ◽  
High Strength ◽  
Water Supply Systems ◽  
Copper Base ◽  
Valve Stem ◽  
Copper Base Alloy ◽  
Supply Systems

Abstract LAVIN NDZ-S BRONZE is a copper-base alloy recommended as a high-strength dezincification and dealuminization resistant valve stem material in water supply systems. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on casting and machining. Filing Code: Cu-151. Producer or source: R. Lavin & Sons Inc..

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