Integrating Water Systems

Integrating Water Systems: Proceedings of the Tenth International Conference on Computing and Control in the Water Industry 2009

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Summary

A collection of articles by leading international experts on modeling and control of potable water distribution and sewerage collection systems, focusing on advances in sensors, instrumentation and communications technologies; assessment of sensor reliability, accuracy and fitness; data management including SCADA and GIS; systems modelling, optimisation and decision support; real time monitoring, modelling control and associated uncertainties; water quality, water and wastewater treatment modeling; demand forecasting, leakage and energy management; asset management and performance modeling; sustainable urban water management including flooding issues; security, reliability and resilience of water systems; likely impacts of climate change; Water scarcity and intermittent supply. Intended for water researchers in industry and academia.

Table of Contents

Keynotes

  • Water sensitive cities: Do we have what it takes to create them?
  • Multi-species network water quality modeling: Current examples, future potential,and research needs

1. Advances in sensors, instrumentation and communications technologies

  • Mathematical modelling of a hydraulic controller for PRV flow modulation
  • Optimal setting of time-modulated prcessure reducing valves in water distribution networks using genetic algorithms
  • Guidance for deployment and development of upset early warning systems for wastewater
  • Automatic control valves in the Cost-effectiveness of WSS Management: PRV application
  • Understanding and managing large sensor networks
  • Flow modulated dynamic pressure control with Aquai-Mod controller
  • Water loss dynamic control by Automatic Meter Readings in water distribution network
  • Detection of illegal branches in pipe systems: A fast and reliable method
  • Identification of leak characteristics in pipe systems by dynamic monitoring

2. Data management including SCADA and GIS

  • The use of GIS for analysis of water distribution networks
  • Online time data series pre-processing for the improved performance of anomaly detection methods
  • Correlating water consumption behaviour with billing, infrastructure and socio-demographic factors
  • Optimal pump scheduling with pressure control aspects: Case studies
  • Minimal time of valve closure for fluid transient in water transmission

3. Systems modelling, optimisation and decision support

  • Epanet calibrator – An integrated computational tool to calibrate hydraulic models
  • Use of grey numbers for representing uncertainty in pipe roughness calibration
  • Operation of water distribution systems using risk-based decision making
  • Reliability analysis of water supply systems by the entropy and equivocation theory
  • Modelling and calibration of water distribution networks: A case study from the Wessex region
  • Calibration methodology for hydraulic transient models incorporating unconventional dynamic effects
  • Virtual reality based immersion scene simulation system of water distribution network
  • Robust design of water distribution networks: A comparison of two different approaches
  • Modeling of distribution network filling process during intermittent supply
  • A more realistic simulation of a real water distribution system based on an enhanced demand driven model
  • Equivalence of pipes with distributed flow in pressurised pipe networks
  • Pressure driven analysis of water distribution networks based on the knowledge of the actual connection to properties
  • Advancements on pipe hydraulic resistance correction in WDN analysis
  • EIO-LCA based multi-objective design of water distribution systems with NSGA-II
  • Hydraulic reliability analysis using a pressure-driven network simulation model
  • Computational evaluation of hydraulic system behaviour with entrapped air under rapid pressurization
  • Neptune DSS: A decision support system for near-real time operations management of water distribution systems
  • Pressure-driven analysis of network sections supplied via high-lying nodes
  • Assessment of the head dependent gradient method with reference to PRAAWDS
  • Water distribution network simulation by a combined steady-state and transient hydraulic solver
  • Multiobjective optimization and multicriteria decision making for water networks
  • Use of relative roughness and changed diameters for old pipes when calibrating an operational water distribution system

4. Real time monitoring, modelling control and understanding the associated uncertainties

  • Umbria region forecasting/decision support for hydraulic risk mitigation purposes
  • The real time stochastic flow forecast
  • Laboratory, flow loop and real world validation testing of the operational effectiveness of an on-line heuristic security platform for water distribution networks
  • Online modellingofwater distribution systems: AUKcase study
  • From design tool to real time control – Using a spreadsheet based optimisation tool to minimise borehole pumping costs
  • On-line hydraulic state estimation in urban water networks using reduced models
  • Improving energy efficiency of pumping systems through real-time scheduling systems
  • Bayesian-based online burst detection in water distribution systems
  • Developing and implementing a real-time intervention management model for water distribution systems

5.Water quality modelling

  • Multi-parameter water quality sensors for water supply systems
  • On-line monitoring station for water quality assessment
  • Negative pressures in full-scale distribution system: Field investigation, modelling, estimation of intrusion volumes and risk for public health
  • A bottom-up approach of stochastic demand allocation in water quality modelling
  • Effect of spatial correlation among water demands on contaminant transport in a pipe network
  • Water quality comprehensive evaluation method for large water distribution network based on clustering analysis
  • Investigating relationships between discolouration customer contact frequencies and mains properties in drinking water distribution systems
  • MUWS (Microbiology in Urban Water Systems) – An interdisciplinary approach to study microbial communities in urban water systems
  • Optimal placement of booster chlorination stations for disinfection by products minimization
  • Concept for optimized flushing of potable water networks
  • Particle related water quality prediction for drinking water distribution systems
  • Methodology for the skeletonization of water distribution network models with demand aggregation
  • Rivelin trunk main flow test
  • A study of wall demand in turbulent pipe flows
  • Is using a plane-channel geometry to model wall-demand in turbulent pipe flow justified?
  • Trade-offs between continuous and grab samples for water quality in distribution systems
  • Origin and behavior of particles in drinking water transport networks
  • The impacts of demand variability on distribution system water quality

6. Water and wastewater treatment modelling, optimisation and control

  • Fluorescence spectroscopy as a tool for determination of organic matter removal efficiency at water treatment works
  • Waterspot: A drinking water simulator with training and process optimization capabilities
  • Benefits and challenges in integrated water resources modeling using OpenMI
  • Comparison of three calibration protocols for Activated Sludge Models based on case studies
  • AquatorGA: Integrated optimisation for reservoir operation using multiobjective genetic algorithms

7. Demand forecasting, leakage and energy management

  • Spectral analysis of instantaneous residential water demand time series
  • Night flow analysis and modeling for leakage estimation in a water distribution system
  • Simulation applications for pressure management
  • Leak discharge and strains in a polyethylene pipe
  • Evaluation of the water scarcity energy cost
  • Artificial neural network model for hybrid energy system evaluation in water supply system
  • New guidelines for non-domestic water estimation in South Africa
  • On hydraulic power capacity of water supply system
  • Analysis of household night-time consumption
  • Analysis of the damping effect of leakage in water pipe systems for different flow conditions
  • Experimental investigation of characteristic curves of centrifugal pumps working as turbines
  • Leakage detection using pressure sensitivity analysis
  • Towards the improvement of the efficiency in water resources and energy use in water supply systems
  • Optimizing target hydraulic head for energy efficient operation of variable speed pumps
  • Water distribution network leakage analysis modeling based on pattern recognition theory

8. Asset management and performance modelling

  • Overview of failure mechanism of joints in water distribution networks
  • Fluid-structure interaction in the safety of infrastructures
  • Hybrid genetic algorithms with advanced search for optimized operation of water supply networks
  • Case study in resilience analysis and scheme selection
  • Infrastructure risk management: A probabilistic approach to asset management
  • I-WARP: Individual water main renewal planner
  • Effects of DMA redesign on water distribution system performance
  • Preparing considering of economies of scale and adjacent infrastructure works in water main renewal planning
  • Asset management optimisation using genetic algorithms and whole life, cost benefit analysis
  • Demand headroom uncertainty modelling for strategic water supply planning
  • Extensive analysis of hydraulic parameters in a large set of water distribution systems
  • Pump scheduling study on a demand monitoring zone system
  • Trade-off analysis between cost and reliability of water distribution systems using genetic algorithms
  • A pipe condition assessment model using PROMETHEE

9. Sustainable urban water management including flooding issues

  • 1D-2D model coupling for urban drainage analysis and optimization
  • Physical and mathematical modeling of surcharged sewer manhole flow
  • Penketh–An integrated approach
  • Conceptual description of a novel three-tiered philosophy for sewer network master planning in South Africa
  • Fuzzy model use for evaluation of peak outflow from a river basin during flash flood
  • On determination of flow routes in a stormwater network using the least squares method
  • Flood wave simulation with 1D-2D coupled models
  • Vikor method for asset management in Serbian Belgrade Wastewater Services
  • An artificial intelligence approach for optimising pumping in sewer systems
  • Comparison of eight rainfall-runoff models for flood simulations
  • Comparison of rainfall radar and rain gauge data and application to sewer hydraulic modelling
  • Modelling water saving in the upper Iskar region
  • An improved multifractal model for short-term rainfall forecast

10. Likely impacts of climate change

  • Review of quantitative methods for evaluating impacts of climate change on urban water infrastructure
  • Assessing the impact of climate change on water treatment plant design and operation
  • Characterizing the impact of uncertain discount rates and carbon pricing on the optimal design and operation of the Kamalsaleh water transmission system
  • Making the earth move: Modelling the impact of climate change on water pipeline serviceability

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