000			10149nam a2200493 i 4500
001			10671
005			20250424125024.0
006			m m
007			co ugu
008			980827t20012001ctua b 001 0 eng
020			_a0965758044
020			_a9780965758048
035			_a(OCoLC)47147130 _z(OCoLC)48614247 _z(OCoLC)50767517 _z(OCoLC)62841789
040			_aDLC _beng _cDLC _dNOH _dSKW _dDAY _dCLU _dAGL _dONU _dMUQ _dBTCTA _dYDXCP _dOCLCG _dDEBSZ _dDEBBG _dIPL _dKKS _dLVB _dDRB _dTEU _dHEBIS _dMNU _dHUH _dOCLCQ _dTULIB _dOCLCF _dOCLCO _dOCLCQ _dUtOrBLW _dBAUN _erda
041	0		_aeng
049			_aBAUN_MERKEZ
050	0	4	_aTD481 _b.W357 2001
100	1		_aWalski, Thomas M _995746 _eaut
245	1	0	_aWater distribution modeling / _cThomas M. Walski, Donald V. Chase, Dragan A. Savic
250			_aFirst edition
264		1	_aWaterbury, CT, U.S.A. : _bHaestad Press, _c[2001]
264		4	_c©2001
300			_axv, 441 pages : _billustrations ; _c28 cm + _e1 CD
336			_atext _btxt _2rdacontent
337			_acomputer _bc _2rdamedia
338			_2rdacarrier
504			_aIncludes bibliographical references (pages 413-428) and index
505	0		_aIntroduction to Water Distribution Modeling _t-- 1.1 Anatomy of a Water Distribution System _t-- Sources of Potable Water _t-- Customers of Potable Water _t-- Transport Facilities _t-- 1.2 What is a Water Distribution System Simulation? _t-- 1.3 Applications of Water Distribution Models _t-- Long-Range Master Planning _t-- Rehabilitation _t-- Fire Protection Studies _t-- Water Quality Investigations _t-- Energy Management _t-- Daily Operations _t-- 1.4 The Modeling Process _t-- 1.5 A Brief History of Water Distribution Technology _t-- 1.6 What Next? _t-- 1.6 References _t-- Modeling Theory
505	0		_a2.1 Fluid Properties _t-- Density and Specific Weight _t-- Viscosity _t-- Fluid Compressibility _t-- Vapor Pressure _t-- 2.2 Fluid Statics and Dynamics _t-- Static Pressure _t-- Velocity and Flow Regime _t-- 2.3 Energy Concepts _t-- Energy Losses _t-- 2.4 Friction Losses _t-- Darcy-Weisbach _t-- Hazen-Williams _t-- Manning Equation _t-- Comparison of Friction Loss Methods _t-- 2.5 Minor Losses _t-- Valve Coefficient _t-- Equivalent Pipe Length _t-- 2.6 Resistance Coefficients _t-- Darcy-Weisbach _t-- Hazen-Williams _t-- Manning _t-- Minor Losses _t-- 2.7 Energy Gains: Pumps _t-- Pump Head-Discharge Relationship _t-- System Head Curves _t-- Pump Operating Point _t-- Other Uses of Pump Curves _t-- 2.8 Network Hydraulics _t-- Conservation of Mass _t-- Conservation of Energy _t-- Solving Network Problems _t-- 2.9 Water Quality Modeling _t-- Transport in Pipes _t-- Mixing at Nodes _t-- Mixing in Tanks _t-- Chemical Reaction Terms _t-- Other Types of Water Quality Simulations _t-- Discussion Topics and Problems _t-- Assembling a Model
505	0		_a3.1 Maps and Records _t-- System Maps _t-- Topographic Maps _t-- As-Built Drawings _t-- Electronic Maps and Records _t-- 3.2 Model Representation _t-- Network Elements _t-- Network Topology _t-- 3.3 Reservoirs _t-- 3.4 Tanks _t-- 3.5 Junctions _t-- Junction Elevation _t-- 3.6 Pipes _t-- Length _t-- Diameter _t-- Minor Losses _t-- 3.7 Pumps _t-- Pump Characteristic Curves _t-- Model Representation _t-- 3.8 Valves _t-- Isolation Valves _t-- Directional Valves _t-- Altitude Valves _t-- Air Release Valves and Vacuum Breaking Valves _t-- Control Valves _t-- Valve Books _t-- 3.9 Controls (Switches) _t-- Pipe Controls _t-- Pump Controls _t-- Regulating Valve Controls _t-- Indicators of Control Settings _t-- 3.10 Types of Simulations _t-- Steady-State Simulation _t-- Extended Period Simulation _t-- Other Types of Simulations _t-- 3.11 Skeletonization _t-- Skeletonization Example _t-- Skeletonization Guidelines _t-- Elements of High Importance _t-- Elements of Unknown Importance _t-- Skeletonization Conclusions _t-- 3.12 Model Maintenance _t-- Discussion Topics and Problems _t-- Water Consumption
505	0		_a4.1 Baseline Demands _t-- Data Sources _t-- Spatial Allocation of Demands _t-- Categorizing Demands _t-- Mass Balance Technique _t-- Unaccounted-for Water _t-- 4.2 Demand Multipliers _t-- Peaking Factors _t-- 4.3 Time-Varying Demands _t-- Diurnal Curves _t-- Developing System-Wide Diurnal Curves _t-- Developing Customer Diurnal Curves _t-- Defining Usage Patterns Within a Model _t-- 4.4 Projecting Future Demands _t-- Historical Trends _t-- Spatial Allocation of Future Demands _t-- Disaggregated Projections _t-- 4.5 Fire Protection Demands _t-- Discussion Topics and Problems _t-- Testing Water _t-- Distribution Systems _t-- 5.1 Testing Fundamentals _t-- Pressure Measurement _t-- Flow Measurement _t-- Potential Pitfalls in System Measurements _t-- 5.2 Fire Hydrant Flow Tests _t-- Pitot Gages and Diffusers _t-- Potential Problems With Fire Flow Tests _t-- Using Fire Flow Tests for Calibration _t-- 5.3 Head Loss Tests _t-- Two-gage Test _t-- Parallel-pipe Test _t-- Potential Problems With Head Loss Tests _t-- Using Head Loss Test Results for Calibration. _t-- 5.4 Pump Performance Tests _t-- Head Characteristic Curve _t-- Pump Efficiency Testing _t-- Potential Problems with Pump Performance Tests _t-- Using Pump Performance Test Data for Calibration _t-- 5.5 Water Quality Sampling _t-- Constituent Analysis Data Requirements _t-- Laboratory Testing _t-- Discussion Topics and Problems _t-- Calibrating Hydraulic Network Models
505	0		_a6.1 Model-Predicted vs. Field-Measured Performance _t-- Comparisons Based on Head _t-- Quality of Calibration Data _t-- Location of Data Collection _t-- 6.2 Sources of Error in Modeling _t-- Types of Errors _t-- Nominal vs. Actual Pipe Diameters _t-- Internal Pipe Roughness Values _t-- Distribution of System Demands _t-- System Maps _t-- Temporal Boundary Condition Changes _t-- Model Skeletonization _t-- Geometric Anomalies _t-- Pump Characteristic Curves _t-- 6.3 Calibration Approaches _t-- Manual Calibration Approaches _t-- Automated Calibration Approaches _t-- Model Validation _t-- 6.4 EPS Model Calibration _t-- Parameters for Adjustment _t-- Calibration Problems _t-- Calibration Using Tracers _t-- Energy Studies _t-- 6.5 Calibration of Water Quality Models _t-- Source Concentrations _t-- Initial Conditions _t-- Wall Reaction Coefficients _t-- 6.6 Acceptable Levels of Calibration _t-- Discussion Topics and Problems _t-- Using Models for Water Distribution System Design
505	0		_a7.1 Applying Models to Design Applications _t-- Extent of Calibration and Skeletonization _t-- Design Flow _t-- Reliability Considerations _t-- Key Roles in Design Using a Model _t-- Types of Modeling Applications _t-- Use of Optimization in System Design _t-- 7.2 Identifying and Solving Common _t-- Distribution System Problems _t-- Undersized Piping _t-- Inadequate Pumping _t-- Consistent Low Pressure _t-- High Pressures During Low Demand Conditions. _t-- Oversized Piping _t-- 7.3 Pumped Systems _t-- Pumping into a Closed System with No Pressure Control Valve _t-- Pumping into a Closed System with Pressure Control Variable-speed Pumps _t-- Pumping into a System with a Storage Tank _t-- Pumping into Closed System with Pumped Storage _t-- Pumping into Hydropneumatic Tanks _t-- Well Pumping _t-- Pumps in Parallel _t-- Head Loss on Suction Side of Pump _t-- 7.4 Extending a System to New Customers _t-- Extent of Analysis _t-- Elevation of Customers _t-- Assessing an Existing System _t-- 7.5 Establishing Pressure Zones and Setting _t-- Tank Overflows _t-- Establishing a New Pressure Zone _t-- Laying Out New Pressure Zones _t-- Tank Overflow Elevation _t-- 7.6 Developing System Head Curves for Pump Selection/Evaluation _t-- 7.7 Serving Lower Pressure Zones _t-- PRV Feeding into a Dead-end Pressure Zone _t-- Lower Zone with a Tank _t-- Lower Zone Fed with Control Valves _t-- Conditions Upstream of the PRV or Control Valve
505	0		_a7.8 Rehabilitation of Existing Systems _t-- Data Collection _t-- Modeling Existing Conditions _t-- Overview of Alternatives _t-- Evaluation _t-- 7.9 Tradeoffs Between Energy and Capital Costs _t-- Discussion Topics and Problems _t-- Modeling Customer _t-- Systems _t-- 8.1 Modeling Water Meters _t-- 8.2 Backflow Preventers _t-- 8.3 Representing the Utility's Portion of the Distribution System _t-- 8.4 Customer Demands _t-- Commercial Demands for Proposed Systems _t-- 8.5 Sprinkler Design _t-- Starting Point for Model _t-- Sprinkler Hydraulics _t-- Approximating Sprinkler Hydraulics _t-- Piping Design _t-- Fire Sprinklers _t-- Irrigation Sprinklers _t-- Discussion Topics and Problems _t-- Operations
505	0		_a9.1 The Role of Models in Operations _t-- 9.2 Low Pressure Problems _t-- Identifying the Problem _t-- Modeling Low Pressures _t-- Finding Closed Valves _t-- Solving Low Pressure Problems _t-- 9.3 Low Fire Flow Problems _t-- Identifying the Problem _t-- Solutions to Low Fire Flow _t-- 9.4 Adjusting Pressure Zone Boundaries _t-- 9.5 Taking a Tank Off-Line _t-- Fire Flows _t-- Low Demand Problems _t-- 9.6 Shutting Down a Section of the System _t-- Representing a Shutdown _t-- Simulating the Shutdown _t-- 9.7 Power Outages _t-- Modeling Power Outages _t-- Duration of an Outage _t-- 9.8 Power Consumption _t-- Determining Pump Operating Points _t-- Calculating Energy Costs _t-- Multiple Distinct Operating Points _t-- Continuously Varying Pump Flow _t-- Developing a Curve Relating Flow to Efficiency _t-- Variable-Speed Pumps _t-- Using Pump Energy Data _t-- Understanding Rate Structures _t-- 9.9 Water Distribution System Flushing _t-- Modeling Flushing _t-- Representing a Flowed Hydrant _t-- Hydrant Location Relative to Nodes _t-- Steady-State vs. EPS Runs _t-- Indicators of Successful Flushing _t-- 9.10 Sizing Distribution System Meters _t-- Subsystem Metering _t-- Using Models for Meter Sizing _t-- Implications for Meter Selection _t-- 9.11 Models for Investigation of System Contamination _t-- 9.12 Leakage Control _t-- Discussion Topics and Problems _t-- Appendix A Units and Symbols _t-- Appendix B Conversion Factors _t-- Appendix C Tables
520			_aCD-ROM contains: WaterCAD software -- Exercise-examination booklet
650		0	_aWater _xDistribution _xMathematical models
650		2	_aWater Supply
650		2	_aModels, Statistical
700	1		_aChase, Donald V. _q(Donald Vincent), _d1960- _9124418 _eaut
700	1		_aSavic, Dragan, _d1960- _9124419 _eaut
942			_2lcc _cKT
999			_c9144 _d9144