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Author: Hatem Khaled El-Sayegh
Publisher:
ISBN:
Category : Water
Languages : en
Pages : 204
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Book Description
Author: Hatem Khaled El-Sayegh
Publisher:
ISBN:
Category : Water
Languages : en
Pages : 204
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Book Description
Author: Pramod R. Bhave
Publisher: Alpha Science Int'l Ltd.
ISBN: 9781842651322
Category : Science
Languages : en
Pages : 472
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Book Description
Design of water distribution networks is traditionally based on trial-and-approach in which the designer assumes, based on experience and judgment, sizes of different elements and successively modifies them until a network with satisfactory hydraulic performance is obtained. This text covers: Essential hydraulic, economic optimization principles. Theory is developed gradually for optimal design of simple, single-source branched networks subjected to single loading to complex, multiple-source looped networks subjected to multiple loading. Strengthening and expansion of existing networks and also reliability-based design. Several illustrative examples enabling the reader to apply them in practice- approximately 100 line drawings.
Author: Bolaji Fatai Sule
Publisher:
ISBN: 9789975341127
Category :
Languages : en
Pages : 68
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Book Description
A Water distribution system connects consumers to sources of water, using hydraulic components, such as pipes, valves, and reservoirs. The engineer faced with the design of such a system, or of additions to an existing system, has to select the sizes of its components. Also he has to consider the way in which the operational components, pumps and valves, will be used to supply the required demands with adequate pressures. The network has to perform adequately under varying demand loads, hydraulic and operational conditions. Operational decisions for these loads are essentially part of the design process, since one cannot separate the so-called design decisions, i.e. the sizing of components, from the operational decisions; they are two inseparable parts of one problem. This work has therefore presented a method for optimizing the design of a water distribution network system using pipe diameter as decision variable under the required demand loading and hydraulic conditions. It has been established that increasing the minimum pressure will lead to the reduction in the required pipe diameter which will in turn reduce the cost of installation. The modelling approach developed can be used by engineers and planners to obtain economical pipe sizes for a network designed to serve newly planned layouts.
Author: Fred Edward Goldman
Publisher:
ISBN:
Category : Mathematical optimization
Languages : en
Pages : 486
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Book Description
Author: Gerçek Güç
Publisher: LAP Lambert Academic Publishing
ISBN: 9783843382953
Category :
Languages : en
Pages : 100
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Book Description
This study gives a description about the development of a computer model, RealPipe, which relates genetic algorithm (GA) to the well known problem of least-cost design of water distribution network. GA methodology is an evolutionary process, basically imitating evolution process of nature. GA is essentially an efficient search method basically for nonlinear optimization cases. The genetic operations take place within the population of chromosomes. By means of various operators, the genetic knowledge in chromosomes change continuously and the success of the population progressively increases as a result of these operations. GA optimization is also well suited for optimization of water distribution systems, especially large and complex systems. The primary objective of this study is optimization of a water distribution network by GA. GA operations are realized on a special program developed by the author called RealPipe. RealPipe optimizes given water network distribution systems by considering capital cost of pipes only.
Author: Munir Ahmad Nayak
Publisher:
ISBN:
Category :
Languages : en
Pages : 73
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Book Description
In this study, we develop a bi-level optimization model for recovery of a disrupted water distribution system. The model minimizes the total cost of recovery of the system. The cost includes the repair cost of the system and systemic impact of disruption on the system during the repair process. The systemic cost is calculated in terms of the unmet demand while the system is still damaged. The upper level problem is to schedule the repair tasks, and the lower level problem is to optimize the supply of water (optimal mitigation) given the schedule from upper level problem. The upper level problem is solved using Simulated Annealing, and the lower level problem uses a Generalized Reduced Gradient algorithm. We first apply and validate the model on a small water distribution system with only three elements damaged due to disruption. In this case, the recovery process requires tasks that can be performed in only one mode. We later apply the model to a larger and more complex water distribution system with eight elements damaged due to disruption. We perform three different experiments on this system . In the first experiment, limited resources are available at each time period. In the second experiment, the resources are increased by 50%, and in third experiment, some tasks are provided with an additional mode. The results show that the availability of resources has a significant impact on total cost of recovery of systems. Adding modes to a few tasks can help in reducing the total cost of disruption on the system.
Author: Ehsan Goodarzi
Publisher: Springer Science & Business Media
ISBN: 3319044001
Category : Technology & Engineering
Languages : en
Pages : 301
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Book Description
This book presents the basics of linear and nonlinear optimization analysis for both single and multi-objective problems in hydrosystem engineering. The book includes several examples with various levels of complexity in different fields of water resources engineering. The examples are solved step by step to assist the reader and to make it easier to understand the concepts. In addition, the latest tools and methods are presented to help students, researchers, engineers and water managers to properly conceptualize and formulate resource allocation problems, and to deal with the complexity of constraints in water demand and available supplies in an appropriate way.
Author: Giuseppe Pezzinga
Publisher: MDPI
ISBN: 3038975567
Category : Technology & Engineering
Languages : en
Pages : 174
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Book Description
The Special Issue on Advances in Water Distribution Networks (WDNs) explores four important topics of research in the framework of WDNs, namely simulation and optimization modelling, topology and partitioning, water quality, and service effectiveness. With regard to the first topic, the following aspects are addressed: pressure-driven formulations, algorithms for the optimal location of control valves to minimize leakage, the benefits of water discharge prediction for the remote real time control of valves, and transients generated by pumps operating as turbines. In the context of the second topic, a topological taxonomy of WDNs is presented, and partitioning methods for the creation of district metered areas are compared. In relation to the third topic, the vulnerability to trihalomethane is assessed, and a statistical optimization model to minimize heavy metal releases is presented. Finally, the fourth topic focusses on the estimation of non-revenue water, including leakage and unauthorized consumption, and on the assessment of service under intermittent supply conditions.
Author:
Publisher: Elsevier
ISBN: 0444538968
Category : Technology & Engineering
Languages : en
Pages : 2086
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Book Description
The European Symposium on Computer Aided Process Engineering (ESCAPE) series presents the latest innovations and achievements of leading professionals from the industrial and academic communities. The ESCAPE series serves as a forum for engineers, scientists, researchers, managers and students to present and discuss progress being made in the area of computer aided process engineering (CAPE). European industries large and small are bringing innovations into our lives, whether in the form of new technologies to address environmental problems, new products to make our homes more comfortable and energy efficient or new therapies to improve the health and well being of European citizens. Moreover, the European Industry needs to undertake research and technological initiatives in response to humanity's "Grand Challenges," described in the declaration of Lund, namely, Global Warming, Tightening Supplies of Energy, Water and Food, Ageing Societies, Public Health, Pandemics and Security. Thus, the Technical Theme of ESCAPE 21 will be "Process Systems Approaches for Addressing Grand Challenges in Energy, Environment, Health, Bioprocessing & Nanotechnologies."
Author: Malek Mouhoub
Publisher: Springer
ISBN: 3319920588
Category : Computers
Languages : en
Pages : 914
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Book Description
This book constitutes the thoroughly refereed proceedings of the 31st International Conference on Industrial, Engineering and Other Applications of Applied Intelligent Systems, IEA/AIE 2018, held in Montreal, QC, Canada, in June 2018. The 53 full papers and 33 short papers presented were carefully reviewed and selected from 146 submissions. They are organized in the following topical sections: constraint solving and optimization; data mining and knowledge discovery; evolutionary computation; expert systems and robotics; knowledge representation, machine learning; meta-heuristics; multi-agent systems; natural language processing; neural networks; planning, scheduling and spatial reasoning; rough sets, Internet of Things (IoT), ubiquitous computing and big data; data science, privacy, and security; inelligent systems approaches in information extraction; and artificial intelligence, law and justice.
