MTech Aero Engine Testing And Performance Evaluation syllabus for 3 Sem 2020 scheme 20MAE332

Module-1 Introduction 0 hours

Introduction:

Need For Gas Turbine Engine Testing And Evaluation, Philosophy Of Testing, Rationale Of Testing. Types of tests: Proof of Concepts, Design Verification, Design Validation, and Formal Tests.

 

Aero Thermodynamic Tests:Compressor:

Compressor scaling parameter Groups, Compressor MAP. Inlet distortions. Surge margin stack up. Testing and Performance Evaluation, Test rig.

Module-2 Combustor 0 hours

Combustor:

Combustor MAP, Pressure loss, combustion light up test. Testing and Performance Evaluation.

 

Aero Thermodynamic Tests: Turbines:

Turbine MAP. Turbine Testing and Performance Evaluation. Component model scaling.

 

Inlet duct & nozzles:

Ram pressure recovery of inlet duct. Propelling nozzles, after burner, maximum mass flow conditions. Testing and Performance Evaluation.

A d v e r t i s e m e n t
Module-3 Engine performance 0 hours

Engine performance:

Design & off-design Performance. Transient performance. Qualitative characteristics quantities. Transient working lines. Starring process & Wind milling of Engines. Thrust engine start envelope. Calculations for design and off-design performance from given test data – (case study for a Jet Engine).

Module-4 Qualification Tests 0 hours

Qualification Tests:

Tests used to evaluate a design. Environment ingestion capability. Preliminary flight rating tests, Qualification testing, acceptance tests, Reliability figure of merit. Structural integrity tests: Design Verification Tests, Durability and Life Assessment Tests, Reliability Tests, Failure Simulation Tests, Functional and Operability Tests.

Types of engine tests:

Normally Aspirated Testing, Ram Air Testing, Altitude Testing, Flying Test Bed, Mission Oriented Tests, Open Air Test Bed, Ground Testing of Engine Installed in Aircraft, Flight testing.

Module-5 Test cell 0 hours

Test cell:

Air breathing engine test facility. Direct connect altitude cell, propulsion wind tunnels. Types of engine test beds. Factors for design of engine test beds. Altitude test facility. Steps in test bed cross calibration. Engine testing with simulated inlet distortions. Surge test. Cell Calibration and Correction. Performance Reduction Methodology. Instrumentation: Data Acquisition, Measurement of Thrust, Pressure, Temperature, Vibration, etc. Accuracy and Uncertainty in Measurements. Experimental Stress Analysis.

 

Course outcomes:

At the end of the course the student will be able to:

1. solve problems related to aerothermodynamics of compressors, combustors, and turbines

2. Apply knowledge to test engines

3. Specify engine performance requirements

 

Question paper pattern:

The SEE question paper will be set for 100 marks and the marks scored will be proportionately reduced to 60.

  • The question paper will have ten full questions carrying equal marks.
  • Each full question is for 20 marks.
  • There will be two full questions (with a maximum of four sub questions) from each module.
  • Each full question will have sub question covering all the topics under a module.
  • The students will have to answer five full questions, selecting one full question from each module.

 

Textbook/ Textbooks

1 Gas Turbine Performance P.P Walsh and P. Peletcher Blackwell Science 1998

2 Experimental methods for Engineers J P Holman Tata McGraw –Hill Publishing Co. Ltd 2007

 

Reference Books

1 Advance Aero-Engine Testing AGARD-59 Publication

2 An inventory of Aeronautical Ground Research Facilities NASA CR 1875

3 Military Specifications: Engine Aircraft, Turbo Jet & Turbofan General Specification for Advance Aero Engine testing MIL –5007 E 1973

Categories

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