Department of Mechanical & Industrial Engineeringcoretheory
TURBO MACHINES
MIE 2224
Syllabus
- 01Introduction: Types of turbo machines, dimensional analysis and similitude, specific speed, affinity laws, Moody's empirical efficiency formula
- 02Energy transfer: Euler turbine equation, degree of reaction, concept of utilization factor, zero angle turbine, head capacity relationship, effect of exit blade angle on performance
- 03Thermodynamics of turbomachines: Isentropic efficiency, infinitesimal polytrophic and finite stage efficiencies, preheat factor and reheat factor
- 04Centrifugal pumps: Static pressure rise, manometric head, various efficiencies, minimum starting speed, cavitation and NPSH, slip and slip factor, main and operating characteristics, iso-efficiency graph
- 05Centrifugal compressors, blowers and fans: h-s diagram, stage work, degree of reaction, need for limiting inlet relative velocity in high speed compressors, phenomenon of surging
- 06Axial flow compressors and fans: h-s diagram, velocity triangles, enthalpy and stagnation pressure loss coefficients, blade loading, degree of reaction, work done factor
- 07Hydraulic turbines: Pelton turbine, work done and hydraulic efficiency, design parameters and governing, Francis turbine, draft tube theory, Kaplan turbine, governing of reaction turbines, main and operating characteristics, iso-efficiency graph
- 08Steam turbines: SFEE across a steam nozzle, D'laval Turbine, nozzle and blade efficiencies, need for compounding, curtis stage, Rateau turbine, Parson's reaction turbine
References
- Yahya S.M., Turbines Compressors and Fans, 4th ed., Tata Mc. Hill, New Delhi, 2017
- Seppo A. Korpela, Principles of Turbomachinery, John Wiley & Sons Ltd, 2nd Ed, 2019
- Dixon S.L., Fluid Mechanics, Thermodynamics of Turbomachinery, Pergamon, 6th Ed, 2010
- V Kadambi, An Introduction to Energy Conversion: Turbomachinery - Vol. III, New Age International Private Limited, 2011
- Maneesh Dubey, BVSSS Prasad, ArchanaNema, Turbomachinery, 1st Ed, McGraw Hill Education, 2018
Credits Structure
2Lecture
1Tutorial
0Practical
3Total