EY4009 Design and Analysis of Turbo machines Syllabus:
EY4009 Design and Analysis of Turbo machines Syllabus – Anna University PG Syllabus Regulation 2021
COURSE OBJECTIVES:
1. To understand the basics of isentropic flow and energy transfer process in turbo machines and to derive the governing equations.
2. To under stand the functional aspects and performance of compressors.
3. To learn about the components of combustion chamber and their functions
4. To understand the working and performance of axial & radial turbines
5. To calculate the performance of gas turbines and jet engine cycles.
UNIT- I INTRODUCTION
Basics of isentropic flow–static and stagnation properties–diffuser and nozzle configurations– area ratio – mass flow rate – critical properties. Energy transfer between fluid and rotor velocity triangles for a generalized turbo machines – velocity diagrams. Euler’s equation for turbo machines and its different forms. Degree of reaction in turbo-machines–various efficiencies – isentropic, mechanical, thermal, overall and polytropic.
UNIT- II CENTRIFUGAL AND AXIAL FLOW COMPRESSORS
Centrifugal compressor – configuration and working – slip factor – work input factor – ideal and actual work – pressure coefficient – pressure ratio. Axial flow compressor – geometry and working–velocity diagrams–ideal and actual work–stage pressure ratio–free vortex theory– performance curves and losses.
UNIT- III COMBUSTIONCHAMBER
Basics of combustion. Structure and working of combustion chamber – combustion chamber arrangements–flame stability–fuel injection nozzles. Flame stabilization–cooling of combustion chamber.
UNIT – IV AXIAL AND RADIAL FLOW TURBINES
Elementary theory of axial flow turbines– stage parameters – multi-staging– stage loading and flow coefficients. Degree of reaction – stage temperature and pressure ratios – single and twin spool arrangements – performance. Matching of components. Blade Cooling. Radial flow turbines.
UNIT- V GASTURBINEANDJETENGINECYCLES
Gas turbine cycle analysis – simple and actual. Reheated, Regenerative and Intercooled cycles for power plants. Working of Turbojet, Turbofan, Turboprop, Ramjet, Scramjet and Pulse jet Engines and cycle analysis – thrust, specific impulse, and specific fuel consumption, thermal and propulsive efficiencies.
TOTAL: 45 PERIODS
COURSE OUTCOMES:
Upon completion of this course, the students will be able to:
1. Analyze the energy transfer process in thermodynamic systems
2. Appraise the performance of centrifugal flow and axial flow combustion systems
3. Design and develop the combustion chamber for turbo machines
4. Compare and analyze the performance of axial and radial flow turbines
5. Predict the performance of gas turbines and thermodynamic energy systems
REFERENCES:
1. Ganesan,V.,GasTurbines,TataMcGrawHill,2011.
2. Cohen H, Rogers G.F.C, Saravan motto H.I.H, Straznicky P.V, Nix A.C, Gas Turbine Theory, Pearson, 7th Edition 2018.
3. Khajuria P.R and DubeyS.P., GasTurbines and Propulsive Systems, Dhanpat Rai Publications, 2011
4. HillPG and Peterson CR, Mechanics and Thermodynamics of Propulsion, Pearson Education, 2nd edition, 2009.
5. Mattingly JD, Elements of Gas turbine Propulsion, McGraw Hill, Edition.2005