词目：流速

基本解释

[velocity of flow] 流动的物体在单位时间内所经过的距离，用米/秒表示。

Chapter 1 Introduction to Machinery Principles

1.1 Electrical Machines， Transformers， and Daily Lite

1.2 Rotational Motion， Newton's Law， and Power Relationships Angular Position θ / Angular Velocity ω / Angular Acceleration α / Torque τ / Newton's Law of Rotation / Work W/Power P

1.3 The Magnetic Field

Production of a Magnetic Field / Magnetic Circuits / Magnetic Behavior of Ferromagnetic Materials / Energy Losses in a Ferromagnetic Core

1.4 Faraday's Law——Induced Voltage from a Time—Changing Magnetic Field

1.5 Production of Induced Force on a Wire

1.6 Induced Voltage on a Conductor Moving in a Magnetic Field

1.7 Real， Reactive， and Apparent Power in Single—Phase AC Circuits Alternative Forms of the Power Equations / Complex Power / The Relationships between Impedance Angle， Current Angle， and Power / The Power Triangle

1.8 Summary

Questions

Problems

References

Chapter 2 Transformers

2.1 Why Transformers Are Important to Modern Life

2.2 Types and Construction of Transformers

2.3 The Ideal Transformer

Power in an Ideal Transformer/Impedance Transformation through a Transformer / Analysis of Circuits Containing Ideal Transformers

2.4 Theory of Operation of Real Single—Phase Transformers The Voltage Ratio across a Transformer / The Magnetization Current in a Real Transformer / The Current Ratio on a Transformer and the Dot Convention

2.5 The Equivalent Circuit of a Transformer The Exact Equivalent Circuit of a Real Transformer / Approximate Equivalent Circuits of a Transformer / Determining the Values of Components in the Transformer Model

2.6 The Per—Unit System of Measurements

2.7 Transformer Voltage Regulation and Efficiency The Transformer Phasor Diagram / Transformer Efficiency

2.8 Transformer Taps and Voltage Regulation

2.9 The Autotransformer

Voltage and Current Relationships in an Autotransformer / The Apparent Power Rating Advantage of Autotransformers / The Internal Impedance of an Autotransformer

2.10 Three—Phase Transformers

Three—Phase Transformer Connections / The Per— Unit System for Three—Phase Transformers

2.11 Transformer Ratings and Related Problems

The Voltage and Frequency Ratings of a Transformer / The Apparent Power Rating of a Transformer / The Problem of Current Inrush / The Transformer Nameplate

2.12 Instrument Transformers

2.13 Summary

Questions

Problems

References

Chapter 3 AC Machinery Fundamentals

3.1 A Simple Loop in a Uniform Magnetic Field The Voltage Induced in a Simple Rotating Loop / The Torque Induced in a Current—Carrying Loop

3.2 The Rotating Magnetic Field Proof of the Rotating Magnetic Field Concept / The Relationship between Electrical Frequency and the Speed of Magnetic Field Rotation / Reversing the Direction of Magnetic Field Rotation

3.3 Magnetomotive Force and Flux Distribution on AC Machines

3.4 Induced Voltage in AC Machines

The Induced Voltage in a Coil on a Two—Pole Stator / The Induced Voltage in a Three—Phase Set of Coils / The RMS Voltage in a Three—Phase Stator

3.5 Induced Torque in an AC Machine

3.6 Winding Insulation in an AC Machine

3.7 AC Machine Power Flows and Losses

The Losses in AC Machines / The Power—Flow Diagram

3.8 Voltage Regulation and Speed Regulation

3.9 Summary

Questions

Problems

References

Chapter 4 Synchronous Generators and Motors

4.1 Synchronous Generator Construction

4.2 The Speed of Rotation of a Synchronous Generator

4.3 The Internal Generated Voltage of a Synchronous Generator

4.4 The Equivalent Circuit of a Synchronous Generator

4.5 The Phasor Diagram of a Synchronous Generator

4.6 Power and Torque in Synchronous Generators

4.7 Measuring Synchronous Generator Model Parameters

The Short—Circuit Ratio

4.8 Synchronous Generator Ratings

The Voltage， Speed， and Frequency Ratings / Apparent Power and Power—Factor Ratings / Synchronous Generator Capability Curves / Short—Time Operation and Service Factor

4.9 Basic Principles of Motor Operation

The Equivalent Circuit of a Synchronous Motor / The Synchronous Motar from a Magnetic Field Perspective

4.10 Steady—State Synchronous Motor Operation

The Synchronous Motor Torque—Speed Characteristic Curve / The Effect of Load Changes on a Synchronous Motor / The Effect of Field Current Changes on a Synchronous Motor / The Synchronous Motor and Power—Factor Correction / The Synchronous Capacitor or Synchronous Condenser

4.11 Starting Synchronous Motors

Motor Starting by Reducing Electrical Frequency / Motor Starting with an External Prime Mover / Motor Starting by Using Amortisseur Windings / The Effect of Amortisseur Windings on Motor Stability

4.12 Synchronous Generators and Synchronous Motors

4.13 Synchronous Motor Ratings

4.14 Summary

Questions

Problems

References

Chapter 5 Induction Motors

5.1 Induction Motor Construction

5.2 Basic Induction Motor Concepts

The Development of Induced Torque in an Induction Motor / The Concept of Rotor Slip / The Electrical Frequency on the Rotor

5.3 The Equivalent Circuit of an Induction Motor

The Transformer Model of an Induction Motor / The Rotor Circuit Model / The Final Equivalent Circuit

5.4 Power and Torque in Induction Motors

Losses and the Power—Flow Diagram / Power and Torque in an Induction Motor / Separating the Rotor Copper Losses and the Power Converted in an Induction Motor's Equivalent Circuit

5.5 Induction Motor Torque—Speed Characteristics

Induced Torque from a Physical Standpoint/The Derivation of the Induction Motor Induced—Torque Equation / Comments on the Induction Motor Torque—Speed Curve / Maximum （Pullout） Torque in an Induction Motor

5.6 Variations in Induction Motor Torque—Speed Characteristics

Control of Motor Characteristics by Cage Rotor Design / Deep—Bar and Double—Cage Rotor Designs / Induction Motor Design Classes

5.7 Trends in Induction Motor Design

5.8 Starting Induction Motors

Induction Motor Starting Circuits

5.9 Speed Control of Induction Motors

Induction Motor Speed Control by Pole Changing / Speed Control by Changing the Line Frequency / Speed Control by Changing the Line Voltage / Speed Control by Changing the Rotor Resistance

5.10 Solid—State Induction Motor Drives

Frequency （Speed） Adjustment / A Choice of Voltage and Frequency Patterns / Independently Adjustable Acceleration and Deceleration Ramps / Motor Protection

5.11 Determining Circuit Model Parameters

The No—Load Test / The DC Test for Stator Resistance / The Locked—Rotor Test

5.12 The Induction Generator

The Induction Generator Operating Alone / Induction Generator Applications

5.13 Induction Motor Ratings

5.14 Summary

Questions

Problems

References

……

Chapter 6 DC Machinery Fundamentals

Chapter 7 DC Motors and Generators

Chapter 8 Single—Phase and Special—Purpose Motors

Appendix A Tables of Constants and Conversion Factors

Appendix B Glossary

前言

Unit One

1 Theoretical Mechanics

2 Conditions for Rigid-Body Equilibrium

3 General P1ane Motion

Unit Two

1 Absolute and Relative Velocity in Plane Motion

2 Instantaneous Center of Rotation in Plane Motion

3 Kinetics(Classical Mechanics)

Unit Three

1 Overview of Engineering Mechanics

2 Stress and Strain

3 Tensile Stress-Strain Behavior

Unit Four

1 Torsion of a Circular Bar

2 Deflections of Beams

3 Stability of Structures

Unit Five

l Influence Lines for Bending Moment

2 Force and Deformation Method

3 Moment Distribution Method

Unit Six

1 Dynamics

2 Structural Analysis Methods for Seismic Actions

3 Linear Elastic Fracture Mechanics

Unit Seven

1 Elastics

2 Stress C0ncentrations

3 Elastic Constitutive Relations

Unit Eight

1 Plastic Behavior of a Tensile Bar

2 Mechanisms of Plastic Deformation

3 Plastic Limit Analysis

Unit Nine

1 Finite Element Method

2 Finite Element Method Programming

3 Soil Mechanics in Foundation Engineering

Unit Ten

1 Introduction to Fluid Mechanics

2 A Brief History of the Development of Fluid Mechanics

3 Basic Equations of Fluid Mechanics

Unit Eleven

1 Civil Engineering

2 Careers in Civil Engineering

3 Building Types and Design

Unit Twelve

1 Philosophy of Structural Design

2 Strength and Stiffness of Buildings

3 Design of Simple Structures

Unit Thirteen

1 Reinforced Concrete Structures

2 Development of Reinforced Concrete

3 Steel Sructurt

Unit Fourteen

1 Structural Forms of Tall Buildings

2 Bridge Structures

3 Techniques of Bridge Construction

Unit Fifteen

1 Hydraulic Structures

2 The Choice of the Type of a Dam

3 Experimental Techniques

Unit Sixteen

1 Building Materials

2 Modern Buildings Design and Structural Materials

3 Future Trends in Construction

Unit Seventeen

1 What Is Project Management

2 The Project Life Cycle

3 Civil Engineering Contracts

Unit Eighteen

1 Scientific Paper

2 How to Write a Scientific Paper

3 Some of the Mechanics Scientists

Appendix I Pronunciations of Greek Letters

Appendix II Expressions of Mathematical Symbols

Appendix III Common Abbreviations

Appendix IV Known Abbreviations of International Civil

Engineering Organizations

References