Course Details

Subject {L-T-P / C} : ME6363 : Gas Turbine and Jet Propulsion { 3-0-0 / 3}

Subject Nature : Theory

Coordinator : Dr. Suman Ghosh

Syllabus

Introduction, application, shaft power gas dynamics – Compressibility effect, steady one dimensional compressible flow of a perfect gas in a duct, isentropic flow in a constant area duct with friction, normal shock waves, oblique shock wave, isentropic two dimensional, supersonic expansion and compression. Centrifugal fans Blowers and Compressors: Principle of operations, work done and pressure rise, slip factor, diffusers, compressibility effects, non dimensional qualities for plotting compressor characteristics. Bray ton cycle, regeneration and reheating cycle analysis Axial flow fans and compressors: Elementary theory, degree of reaction, three dimensional flow, simple design methods, blade design, calculation of stage performance, overall performance, and compressibility effects. Performance characteristics. Combustion system: Form of combustion, important factors affecting combustion chamber design, combustion processes, combustion chamber performance, practical problem. Axial flow turbines: elementary theory, vortex theory, choice of blade profile, pitch and chord estimation of stage performance, he cooled turbine. Prediction of performance of simple gas turbines: component characteristic, off design shaft gas turbine, equilibrium running gas generators, off design o free turbine and jet engine, methods of displacing the equilibrium, running line, incorporation of variable pressure losses, methods of improving part load performance, matching procedure for twin spool engines, behavior of gas turbine .Gas turbine rotors and stresses.

Course Objectives

Course Outcomes

CO1: Knowledge will be gained on the subject matter. <br />CO2: Able to apply the theory to practical problems. <br />CO3: Knowledge will be enhanced to implement the concept for product development.

Essential Reading

Supplementary Reading