Groundwater, Wells and Pumps. … Their recovery method, well interference, multiple well systems, surface and subsurface exploitation and estimation of ground water potential, quality of ground water, artificial groundwater recharge  planning, modelling, ground water project formulation.

Book Detail: Groundwater, Wells and Pumps

Language: English

Pages: 350

Author: Prof. Madan Kumar Jha, Dr. P B S Sarma

 Price: Free

 

 

 

Course Outline of Groundwater, Wells and Pumps

Module 1: Fundamentals of Groundwater

Lesson 1: Introduction to Groundwater

• What is Groundwater?
• Groundwater and the Water Cycle
• Importance of Groundwater
• Groundwater Scenario: Global and Indian Perspectives

Lesson 2: Occurrence of Groundwater

• Vertical Distribution of Subsurface Water
• Types of Subsurface Formations
• Aquifer and Confining Layers
• Origin and Age of Groundwater
• Groundwater Regions of India

Lesson 3: Aquifer and Its Properties

• Introduction
• Types of Aquifers
• Properties of Aquifers
• Water-Yielding Mechanisms of Aquifers
• Example Problems

Lesson 4: Principles of Groundwater Flow

• Concept of Fluid Potential and Hydraulic Head
• Darcy’s Law
• Validity of Darcy’s Law
• Seepage Velocity
• Hydraulic Conductivity and Transmissivity
• Leakage Factor

Lesson 5: Governing Equations of Groundwater Flow

• Introduction
• General Form of Groundwater Flow Equation
• Equations for Groundwater Flow in Confined Aquifers
• Equations for Groundwater Flow in Unconfined Aquifers
• Equations for Groundwater Flow in Leaky Confined Aquifers
• Solution of Groundwater Flow Equations

Lesson 6: Analysis of Steady Groundwater Flow

• Steady Flow in Confined Aquifers
• Steady flow in Unconfined Aquifers
• Examples Problems

Lesson 7: Groundwater Investigation

• Scale of Groundwater Investigation
• Surface Methods of Groundwater Exploration
• Subsurface Methods of Groundwater Exploration

Module 2: Well Hydraulics

Lesson 8: Introduction to Water Wells

• Introduction
• Functions of Wells
• Classification of Water Wells
• Advantages and Disadvantages of Open Wells and Tubewells
• Selection of Well Site and Type of Well

Lesson 9: General Procedure for Analyzing Groundwater Flow Towards Wells

• Introduction
• Basic Assumptions for Analyzing Groundwater Flow to Wells
• General Procedure
• Illustrative Examples

Lesson 10: Steady Groundwater Flow to Wells

• Introduction
• Steady Flow to Fully Penetrating Wells
• Steady Flow to Partially Penetrating Wells
• Steady Flow to Cavity Wells

Lesson 11: Unsteady Groundwater Flow to Wells

• Introduction
• Solutions of Unsteady Flow to Wells in Confined Aquifers
• Solution of Unsteady Flow to Wells in Leaky Confined Aquifers
• Solution of Unsteady Flow to Wells in Unconfined Aquifers
• Solution of Unsteady Flow to Cavity Wells

Lesson 12: Determination of Aquifer Parameters

• Introduction
• Laboratory Methods
• Field Methods

Lesson 13: Overview of Field Pumping Test

• Introduction
• Purpose of Pumping Test
• Types of Pumping Tests
• Tests for Determining Hydraulic Parameters of Aquifers
• Tests for Determining Well Hydraulic Characteristics
• Design of Pumping Test
• Response of Bounded Aquifers to Pumping
• Advantages and Disadvantages of Pumping Tests

Lesson 14: Analysis of Pumping Test Data

• Introduction
• Determination of Confined Aquifer Parameters
• Determination of Unconfined Aquifer Parameters
• Identification of Aquifer Boundaries

Lesson 15: Well Interference and Multiple Well Systems

• What is Well Interference?
• Salient Applications of Well Interference
• Analysis of Multiple Well Systems

Module 3: Design, Installation and Maintenance of Water Wells

Lesson 16: Design of Tubewells and Gravel Pack

• Introduction
• Well Diameter
• Well Depth
• Design of Well Screen
• Design of Gravel Pack
• Design of Tubewells: An Example

Lesson 17: Methods for Constructing Shallow Wells

• Introduction
• Digging
• Boring
• Driving
• Jetting

Lesson 18: Methods for Constructing Deep Wells

• Introduction
• Percussion Drilling
• Rotary Drilling
• Rotary-Percussion Drilling

Lesson 19: Well Completion, Development and Maintenance

• Completion of Well Installation
• Disinfection and Protection of Water Wells
• Methods of Well Development
• Well Maintenance and Rehabilitation
  

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Module 4: Groundwater Assessment and Management

Lesson 20: Evaluation of Groundwater Potential and Quality

• Estimation of Static and Dynamic Groundwater Potential
• Water Quality and Groundwater Contamination
• Collection of Water Samples
• Analysis of Water Quality

Lesson 21: Management of Groundwater

• Introduction
• Basic Concepts of Groundwater Management
• Salient Techniques for Groundwater Management
• Artificial Recharge of Groundwater

Lesson 22: Introduction to Groundwater Modeling

• Introduction
• What is a Model?
• Why Modeling?
• Classification of Hydrologic/Hydrogeologic Models
• Elements of Groundwater Modeling
• Concluding Remarks

Module 5: Principle, Design and Operation of Pumps

Lesson 23: Introduction to Pumping System

• Basic Mechanisms of Water Lifting
• Types of Water Lifting Devices
• Hydraulic Ram
• Defining Pump
• Classification of Pumps

Lesson 24: Centrifugal Pumps

• Operating Principle of Centrifugal Pumps
• Components of a Centrifugal Pump
• Types of Centrifugal Pumps

Lesson 25: Pump Installation and Head Calculation

• Installation of Centrifugal Pumps
• Operation of Centrifugal Pumps
• Limitation of Suction Lift
• Calculation of Total Head
• Calculation of Friction Head Losses
  

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Lesson 26: Power Requirement and Efficiency of Centrifugal Pumps

• Calculation of Power Requirement for a Pumping System
• Efficiency of Centrifugal Pumps

Lesson 27: Design of Centrifugal Pumps: An Overview

• Design Criteria for Centrifugal Pumps
• Design of Pump Impeller
• Design of Suction and Delivery Pipes
• Design of Pump Casing
• Cavitation Problem
• Net Positive Suction Head

Module 6: Performance Characteristics, Selection and Maintenance of Pumps 

Lesson 28: Characteristic Curves of Centrifugal Pumps

• Introduction
• Defining Pump Characteristic Curves
• Classification of Pump Characteristic Curves

Lesson 29: Rotodynamic Pumps for Special Purposes

• Propeller Pump
• Mixed-Flow Pump
• Submersible Pump
• Vertical Turbine Pump
• Jet Pump
• Self-priming Devices for Rotodynamic Pumps

Lesson 30: Affinity Laws

• Introduction
• Effect of Changes in Pump Speed on the Pump Performance
• Effect of Changes in Impeller Diameter on the Pump Performance
• Illustrative Example

Lesson 31: Selection of Suitable Pumps

• Introduction
• System Head Curve
• Determination of Design Discharge
• Criteria for Pump Selection
• Selection of Type of Pump

Lesson 32: Maintenance and Troubleshooting of Centrifugal Pumps

• Introduction
• Preventive Maintenance of Centrifugal Pumps
• Preventive Maintenance Techniques
• Overhauling of Centrifugal Pumps
• Centrifugal Pump Troubles and Remedies

 

 

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