| Course Name | Flight Mechanics |
| Course Code | 23AEE304 |
| Program | B. Tech. in Aerospace Engineering |
| Semester | 5 |
| Credits | 3 |
| Campus | Coimbatore |
Equations of Motion – Forces Acting on the Aircraft – Review of Aerodynamic Characteristics of the Wing and Compressibility Effects – Review of Propulsion Systems and their Performance Characteristics – Drag Contribution from Aircraft Components – Airplane Performance of Turbojets: Steady Flight, Range, Endurance, Conditions for Maximum Range and Endurance, Climb Performance, Turn Performance, Maximum Load Factor During Turn.
Glide Performance – Take-Off and Landing Performance – Performance of Piston-Props: Steady Flight Climb and Turn Performance, Climb Performance, Turn Performance, Comparison with Turbojets – Turbofan and Turboprop Performance Evaluation Guidelines, performance in head wind, tail-wind and cross-winds.
Concept of Static and Dynamic Stability – Longitudinal Stability: Neutral Point, Stick-Fixed and Stick Free Stability – Longitudinal Control – Hinge Moments – Control Power – Directional Stability and Control – Lateral Stability and Control – Introduction to Dynamic Stability – Stability Derivatives.
Course Objectives
This course aims to equip the student with the knowledge to carry out performance estimation of turbojet and piston prop aircrafts and conduct static stability analysis in the subsonic regime. It also aims to introduce the concept of dynamic stability.
Course Outcomes
CO1: Apply equations of motion for an aircraft. Evaluate performance of turbojet aircrafts for climb, steady flight and turn.
CO2: Evaluate Glide and take-off and landing performance of turbojet. Evaluate the climb, steady flight and turn performance of piston-engine aircrafts
CO3: Estimate longitudinal static stability and understand the principle of dynamic stability.
CO-PO Mapping
| PO/PSO | PO1 | PO2 | PO3 | PO4 | PO5 | PO6 | PO7 | PO8 | PO9 | PO10 | PO11 | PO12 | PSO1 | PSO2 | PSO3 |
| CO | |||||||||||||||
| CO1 | 3 | 3 | – | 3 | – | – | – | – | – | 1 | – | 3 | 3 | 2 | 2 |
| CO2 | 3 | 3 | – | 3 | – | – | – | – | – | 1 | – | 3 | 3 | 2 | 2 |
| CO3 | 3 | 3 | – | 3 | – | – | – | – | – | 1 | – | 3 | 3 | 2 | 2 |
Evaluation Pattern
| Assessment | Internal | End Semester |
| Midterm Exam | 30 | |
| *Continuous Assessment (CA) | 30 | |
| End Semester | 40 |
Hale, Francis J, “Introduction to Aircraft Performance, Selection, and Design”. Wiley, 1984. Nelson.R.C, “Flight Stability and Automatic Control”, 2nd edition, McGraw-Hill, 2017
Reference(s)
Perkins.C.D and Hage.R.E, “Aircraft Performance, Stability and Control”, 11th edition, Wiley, 1966. Anderson.J.D,, “Aircraft Performance and Design”, McGraw-Hill, .2017.
Russel.J.B,, “Performance and stability of aircraft”, Elsevier,2010
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