Dynamics of Machines


Author Kumar A C S

ISBN 9789388005180

Copy Right Year 2020

Pages  684

Binding Soft Cover

Publisher  Yes Dee Publishing

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SKU: 9789388005180 Category:


Primarily intended for the students of B.Tech., M.Tech., and M.S. programmes, who are studying a first course on Dynamics of Machines, this book presents the theory and applications of the subject in an easy – to – read style. It introduces the students to various topics of the broader subject of Theory of Machines such as Gyroscopic motion, Synthesis of linkages, Vibrations, etc., to name a few. The theory content is supplemented by typical solved problems and problems for exercise to help the students prepare well for the examinations. Further, various types of Theory questions are included in every chapter, which is a unique feature of this book. Besides, numerous objective questions, with answers provided at the end of each chapter, which is yet another unique feature, enhance the value of the book for the students in helping them to prepare for the competitive examinations.

Additional information

Weight .75 kg
Dimensions 23 × 16 × 2 cm

Table of Content

Chapter 1 Gyroscope
1.1 Mass, Force and Weight
1.1.1 Centripetal Force
1.2 Mass, Moment of Inertia (MI) and Couple
1.3 Types of Kinematic Pairs
1.3.1 Gyroscopic Couple
1.3.2 Angular Velocity
1.3.3 Angular Acceleration
1.4 Gyroscopic Couple
1.4.1 Effect of Gyroscopic Couple on Bearings
1.5 Gyroscopic Stabilization
1.5.1 Gyroscopic Effect on Aeroplanes
1.5.2 Gyroscopic Effect on Naval Ships
1.6 Stability of an Automobile
1.6.1 Effect of the Gyroscopic Couple
1.6.2 Effect of the Centrifugal Couple
1.7 Stability of Two-wheeled Vehicle
Chapter 2 Static and Dynamic Force Analysis  of  Planar Mechanisms
2.1 Introduction
2.2 Static Force Analysis
2.3 Static Equilibrium
2.4 Equilibrium of Members
2.4.1 Two-force Members
2.4.2 Three-force Members
2.4.3 Two-forces and Torque
2.4.4 Four-force Members
2.5 Force Convention
2.6 Free Body Diagrams
2.7 Principle of Superposition
2.8 Static Force Analysis of Four-Bar Mechanism
2.8.1 One Known Force
2.8.2 Two Known Forces
2.9 Static Force Analysis of Slider – Crank Mechanism
2.9.1 One Known Force
2.9.2 Two Known Forces
2.10 Dynamic Force Analysis
2.10.1 D’Alembert’s  Principle
2.10.2 Equivalent Offset Inertia Force
2.11 Dynamic Force Analysis of Four-Bar Mechanism
2.11.1 Shaking Force
2.12 Dynamic Force Analysis of Single-Slider Crank
Chapter 3 Synthesis of Linkages
3.1 Introduction
3.2 Movability  or Mobility or Number Synthesis
3.3 Dimensional Synthesis
3.3.1 Graphical Method
3.4 Relative Pole
3.4.1 Determination of Relative Pole for a Four-Bar Chain
3.4.2 Determination of Relative Pole for the Slider-Crank
3.5 Function Generation by Relative Pole Method – Four-Bar Mechanism
3.5.1 Two Position Synthesis
3.5.2 Three-position Synthesis
3.6 Single Slider-Crank Mechanism
3.6.1 Two – Position Synthesis
3.6.2 Three – Position Synthesis
3.7 Inversion Method
3.8 Function Generation by Inversion Method
3.8.1 Four-Bar Chain
3.8.2 Single Slider-Crank Chain Mechanism
3.9 Errors in Kinematic Synthesis of Mechanisms
3.9.1 Structural Errors
3.9.2 Mechanical Errors
3.9.3 Graphical Errors
3.10 Function Generation
3.11 Chebychev Spacing
3.11.1 Graphical Approach
3.12 Freudenstein’s  Equation for Single-Slider Crank Chain
Mechanism for Three Precision Points
Chapter 4 Friction
4.1 Laws of Friction
4.2 Coefficient of Friction
4.3 Limiting Angle of Friction
4.3.1 The Inclined Plane Motion up the Plane
4.3.2 Motion Down the Inclined Plane
4.4 Friction of Screw and Nut
4.4.1 Square Thread
4.4.2 Self-Locking Screws
4.4.3 V-Thread
4.5 Pivot and Collar Friction
4.6 Pivots
4.7 Friction Circle and Friction Axis
4.8 Friction of Lubricated Surfaces
4.8.1 Boundary Friction
4.8.2 Film Lubrication
Chapter 5 Clutches, Brakes and Dynamometers
5.1 Introduction
5.2 Plate or Disc Clutches
5.2.1 Single-plate Clutch
5.2.2 Multi-Plate Clutch
5.3 Cone Clutch
5.4 Centrifugal Clutch
5.5 Brakes and Dynamometers
5.5.1 Simple Block or Shoe Brake

5.5.2 Pivoted-block or Shoe Brake
5.5.3 Double-shoe Brake
5.5.4 Simple Band Brake
5.5.5 Differential Band Brake
5.5.6 Band and Block Brake
5.5.7 Internal Expanding Shoe Brake
5.6 Braking of Vehicle
5.7 Dynamometers
5.7.1 Absorption Dynamometers
5.7.2 Transmission Dynamometers
Chapter 6 Turning Moment Diagram and Flywheels
6.1 Introduction
6.2 Dynamic Analysis Of Single-slider Crank Chain
6.3 Engine Force Analysis
6.4 Inertia Forces in the Reciprocating Engine
6.5 Dynamically Equivalent System
6.6 Inertia of the Connecting Rod
6.7 Turning Moment Diagrams
6.8 Fluctuation of Energy
6.9 Flywheels
6.9.1 Design of Flywheel Rims

Chapter 7 Governors
7.1 Introduction
7.2 Centrifugal Governors –Working Principle
7.3 Terms used in Governors
7.4 Watt Governor
7.5 Porter Governor
7.6 Proell Governor
7.7 Spring – Loaded Governors
7.7.1 Hartnell Governor
7.7.2 Wilson – Hartnell Governor
7.7.3 Hartung Governor
7.8 Performance Factors of a Governor
Chapter 8 Balancing
8.1 Introduction
8.2 Balancing of Rotating Masses – Static Balancing
8.2.1 Static Balancing of a Single Rotating Mass
8.2.2 Static Balancing of Several Masses Rotating in the Same
8.3 Dynamic Balancing

8.3.1 Balancing of Several Masses in Different Planes
8.4 Balancing of Reciprocating Masses
8.5 Balancing of Locomotives
8.5.1 Effects of Partial Balancing in Locomotives
8.6 Secondary Balancing
8.7 Complete Balancing of Reciprocating Parts
8.8 Balancing of V – Engines
8.9 Balancing of Radial Engines
Chapter 9 Vibrations
9.1 Introduction
9.2 Definitions 9.3 Types of Vibrations
9.4 Free Longitudinal Vibrations
9.4.1 Displacement, Velocity, and Acceleration
9.4.2 Inertia Effect of the Mass of Spring
9.5 Damped (Free)Vibrations
9.6 Forced Vibrations
9.7 Forced-Damped Vibrations
9.7.1 Vibration Isolation and Transmissibility
9.8 Transverse Vibrations
9.8.1 Single Concentrated Load
9.8.2 Uniformly Loaded Shaft
9.8.3 Shaft Carrying Several Loads
9.9 Whirling of Shafts
9.10Torsional Vibrations
9.10.1 Free Torsional Vibrations (Single Rotor)
9.10.2 Free Torsional Vibrations (Two – Rotor System)
9.10.3 Free Torsional Vibrations (Three – Rotor System)
9.10.4 Torsionally  Equivalent shaft

About The Author

Dr. A. Chandra Sekhara Kumar is a Professor of Mechanical Engineering who had retired as Vice Principal from Jawaharlal Nehru Technological University College of Engineering, Hyderabad. He has more than 40 years of teaching experience in B.I.T.S., Pilani, Higher College of Technology, Muscat, Sultanate of Oman  and J.N.T.U.H., Hyderabad put together. He had taught the subject of Theory of Machines for many batches of students of B.Tech., during his long service in J.N.T.U.H., Hyderabad. Besides, he is an active Researcher in the field of Production Engineering, and so far ten research scholars obtained Ph.D under his guidance, and another five research scholars are currently working under his supervision. He has nearly 75 research publications to his credit in various reputed International and National Journals and Conferences.


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