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About
About
A propulsion system is a machine that produces thrust to push an object forward. On airplanes, thrust is usually generated through some application of Newton's third law of action and reaction.
LMS : FAP
CODE : 22AE42
Scheme
Scheme
Teaching - Learning Scheme : Assessment Scheme :
Teaching - Learning Scheme : Assessment Scheme :
03 Hours ,1 Tutorial /Week : CIE : 50 Marks
Credits : 03 SEE : 50 Marks
MSE-1 - 30,MSE-II -30, MSE-III - 30
Semester End-Examination (ESE) : 100 Marks
Learning Assessment -II TEAM FORM
:
Course Objectives & Outcomes :
Course Objectives & Outcomes :
The course Aerospace Propulsion focuses on propulsion systems commonly used in aerospace vehicles today and in future. The course aims to introduce the principles of gas turbine engines,and its performance analysis.
The course Aerospace Propulsion focuses on propulsion systems commonly used in aerospace vehicles today and in future. The course aims to introduce the principles of gas turbine engines,and its performance analysis.
Course Outcomes
- Identify various components of gas turbine engines, scramjet, Ramjet and working principles
- Outline the importance of subsonic, and supersonic inlets and nozzles for jet engines using flow measurement procedure.
- Evaluate the operating characteristics of compressors in terms of blade shapes, angles,
- and direction of rotation.
- Understand the working of the combustion process in gas turbine engines.
- Analyze the workings of turbines by using a velocity triangle.
Introduction: Air-breathing engines :
Introduction: Air-breathing engines :
Turbojet-thrust equation, turboprop,turbofan & turboshaft engines construction & working principle, Factors affecting thrust, Performance comparison of each with P-V, T-S Diagram-Numerical Calculations on Thrust and SFC –After burner arrangements for thrust augmentation
Inlets, Nozzles for Jet Engine :
Inlets, Nozzles for Jet Engine :
Internal flow and Stall in subsonic inlets – relation between minimum area ratio and eternal deceleration ratio – diffuser performance – supersonic inlets – starting problem on supersonic inlets – shock swallowing by area variation –. real flow in nozzles and nozzle efficiency – losses in nozzles Over expansion and under expansion in nozzles– ejector and variable area nozzles - the interaction of nozzle flow with adjacent surfaces – thrust reversal.
Combustion Chambers:
Combustion Chambers:
Combustion theory- classification of combustion chambers – combustion chamber performance – effect of operating variables on performance – flame stabilization -flame holders-process of combustion and its geometry- mixing and dilution- Limitations-Aircraft fuels, HHV, LHV.
Compressors:
Compressors:
Principle and working of Centrifugal Compressor & Axial flow compressor - Velocity triangles – Compressor Stage Efficiency of axial flow compressor- Work done and Pressure rise calculations–Axial compressor performance characteristics.
Introduction to Turbines:
Introduction to Turbines:
Types of turbines-Principle of operation of axial flow turbines and radial flow turbines- Work done and pressure rise – Velocity diagrams – degree of reaction –performance parameters of axial flow turbine– turbine blade cooling methods – stage efficiency calculations - basic blade profile design considerations– matching of compressor and turbine. Fundamental working principle of Ramjet engine and Scramjet engine.
TEXT BOOKS:
TEXT BOOKS:
Assessment Policy:
Assessment Policy:
Mid Semester Examination I - Pen Paper Test ( 30 marks ) (Due Date :15th-18th May- 2024)
Learning Assessment -I
Activity 1: Quiz (Due Date :21th to 25th -May- 2024)
Mid Semester Examination II - Pen Paper Test ( 30 marks ) 26th to 29th June 2024 MSE II
Learning Assessment -II TEAM FORM
Activity 2: Assignment : I ,II,III 08th April to 2o May 2024
Activity 3: Peer Presentation & Assessment on and Its applications Due Date :08th to 13 the June 2024 (Software based )
Mid Semester Examination - III - Pen Paper Test (22th to 25th July 2024 MSE III)
Semester End Examination - Pen Paper Test XX-XX-XXXX Commencement of SEE Theory
Semester End Examination (SEE) conducted for 100 Marks and evaluated for 50 Marks.
Two Questions carrying 20 Marks each are to be set from each unit.
Students must answer 5 full questions selecting one full question from each unit.
Links to Join & Learn
Links to Join & Learn
Any query contact me : deepak.kumar@nmit.ac.in
Lms : join code
office hours : Thursday 3.00 to 4.15 pm
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Fair use is a use permitted by copyright statute that might otherwise be infringing.
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