Fluid Machines
Course Objective:
This course is designed to give ideas about fluid-force and power. It covers general introductory part of hydropower plant. Most of the parts deal with water-turbine, water-pumps, steam-turbine and hydraulic machine.
- Introduction of Turbomachime and Dynamic Action of Fluid(10 hours)
- Turbomachines
- Hydraulic Machines
- History of Development of Water Wheels and Water Turbine
- Dynamic Force and Power
- Linear Momentum and Impulse Equations
- Application of Linear Momentum Principle
- Dynamic Force Exerted by Fluid Jet;
- Stationary and moving plates, flat and curved surfaces
- Jet Propulsion Principle; Boat and ship propulsion
- Hydroelectric Plant(4 hours)
- Essential Components and Features
- Classification of Hydroelectric plants
- Existing Hydroelectric plants
- Water Turbine(14 hours)
- Types of turbines:Pelton, Francis, Kaplan, Cross Flow
- Working Principles
- Components and Their Functions, Specific speed, Design, Efficiency
- Characteristics and application
- Governor Principle, Types, Qualities, Control
- Oil pressure governor:: Components, Working Principle
- Pump(8 hours)
- Centrifugal and Reciprocating Types
- Theory of the Centrifugal Pump, Specific Speed, Pump Head
- Pump Characteristics, Energy loss, Cvitation, Efficiency, Effect of Viscosity, Series and parallel combination
- Selection of Pumps
- Steam turbine and Hydraulic machine(9 hours)
- Steam Nozzles and Types
- Flow of Steam Through Nozzles;
- Steady flow energy equation, Momentum equation
- Principle of Operation of Steam Turbines
- Types of Steam Turbine and Applications
- Impulse and Reaction Turbine: Components and Their Functions, Working Principles, Efficiency
- Hydraulic machine Types, Working Principle: Hydraulic Ram, Hydraulic lift, Hydraulic torque converter
Practical:
- Performance Characteristics of Different Types of Pumps
- Performance Characteristics of the Reciprocating Pump
- Performance Characteristics of the Series and parallel combination of pumps
- Performance Characteristics of the Pelton Turbine
- Performance Characteristics of the Francis Turbine
- Performance Characteristics of the Propeller Turbine
- Performance Characteristics of the Cross-flow Turbine
- Performance Characteristics of Ram pump
References:
- Robert L. Daugherty, Joseph B. Franzini and E. John Finnemore, Fluid Mechanics with Engineering Applications, McGraw Hill Book Company, SI Metric Edition
- Dr. P.N. Modi and Dr. M. Sethi, Hydraulics and Fluid Mechanics, Standard Book house
- Dr. J. Tritton, Physical Fluid Dynamics, Second Edition, Claredon Press, Oxford Press
- Dr.JagadishLal, Hydraulics Machines, Metropoliton Co.
- R.K Rajput, A text book of Hydraulic Machine, S. Chandand Company Ltd. India
Evaluation Scheme:
Chapters |
Hours |
Mark distribution * |
1 |
10 |
20 |
2 |
4 |
5 |
3 |
14 |
25 |
4 |
8 |
15 |
5 |
9 |
15 |
Total |
45 |
80 |
*Note: There may be minor deviation in marks distribution.
|