About the Book

The book Thermal Turbomachines presents a systematic account of the concepts and principles of thermal turbomachines. It covers the requirements of undergraduate course on turbomachines including Thermal Turbomachines and Pumps for students of Mechanical and Aerospace Engineering. It is aimed at building the basics for advanced courses in turbomachines at postgraduate level. Topics presented is in simple and lucid style provided with sufficient number of illustrations and numerical problems - both solved and unsolved - along with numerous review questions.

About the Author

Dr. Onkar Singh, presently Vice Chancellor of Madan Mohan Malaviya University of Technology, Gorakhpur, Uttar Pradesh and is also the Professor of Mechanical Engineering at Harcourt Butler Technological Institute, Kanpur, Uttar Pradesh. He has vast teaching experience of around 23 years at undergraduate and postgraduate level in different institutions. Dr. Singh has published a number of research papers in international/national journals and conference proceedings. His areas of interest include Thermal Engineering, CAD and Turbomachines.

Table of Contents:
Preface Chapter 1 Fundamental Concepts of Turbomachines 1.1 Introduction and Definition of Turbomachines 1.2 Classification of Turbomachines 1.3 Basic Laws and Governing Equations 1.4 Energy Transfer in Turbomachines and Euler’s Equation 1.5 Efficiencies of Compressors and Preheat Factor 1.6 Efficiencies of Turbines and Reheat Factor 1.7 Blade Classification 1.8 Blade Terminology 1.9 Drag and Lift 1.10 Cascade Testing 1.11 Drag and Lift in Cascade Chapter 2 Centrifugal Compressors 2.1 Introduction 2.2 Construction and Working 2.3 Energy Transfer 2.4 Velocity Diagram for Centrifugal Compressors 2.5 Slip Factor 2.6 Stage Pressure Rise and Pressure (Loading) Coefficient 2.7 Degree of Reaction 2.8 Effect of Inlet Guide Vanes and Impeller Blade Profile 2.9 Surging 2.10 Stalling 2.11 Choking 2.12 Centrifugal Compressor Characteristics Curves Chapter 3 Axial Flow Compressors 3.1 Introduction 3.2 Construction and Working 3.3 Energy Transfer 3.4 Velocity Diagram for Axial Flow Compressor 3.5 Elementary Theory 3.6 Factors Affecting Stage Pressure Rise 3.7 Blockage in Compressor Annulus 3.8 Degree of Reaction 3.9 Design Theory for 3D Flow 3.10 Design Process 3.11 Blade Design 3.12 Calculation of Stage Performance 3.13 Axial Flow Compressor Characteristics Curves Chapter 4 Turbines 4.1 Introduction 4.2 Classification of Turbines 4.3 Description of Axial Flow Turbines 4.4 Energy Transfer in Axial Flow Turbines 4.5 Velocity Diagram for Axial Flow Turbines 4.6 Types of Blades in Axial Flow Turbines 4.7 Vortex Theory 4.8 Choice of Blade Profile, Pitch and Chord 4.9 Estimation of Stage Performance in Axial Flow Turbines 4.10 Description of Radial Flow Turbines 4.11 Velocity Diagram and Elementary Theory for Radial Flow Turbines 4.12 Estimation of Stage Performance in Outward-Flow Radial Turbines 4.13 Characteristic Curves for Turbines 4.14 Gas Turbine Starting and Control System 4.15 Combustion Systems in Gas Turbines 4.16 Gas Turbine Blade Cooling 4.17 Safety Limits and Control 4.18 Losses in Turbine 4.19 Governing of Turbines Chapter 5 Steam Turbines 5.1 Introduction 5.2 Classification of Steam Turbines 5.3 Construction and Working of Steam Turbines 5.4 Losses in Steam Turbine Chapter 6 Pumps 6.1 Introduction 6.2 Classification of Pumps 6.3 Construction and Working of Pumps 6.4 Centrifugal Pump Calculations 6.5 Elementary Theory of Pumps 6.6 Performance Characteristic Curves 6.7 Cavitation and Its Control 6.8 Miscellaneous Types of Pumps Chapter 7 Design Considerations of Thermal Turbomachines 7.1 Introduction 7.2 Overall Design Choices 7.3 Selection of Number of Stages 7.4 Material Selection 7.5 Design with Traditional Materials