JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives:

• Understand the basics of aerodynamics, aerofoil and wing characteristics
• Calculate forces and moments acting on aero foils and wings under ideal flow conditions.
• Design a propeller and determine aerodynamic interaction effects between different components of aircraft.

Course Outcomes:

• Introduction to Low speed aerodynamics
• Aerofoil and wing Theory
• Concept of boundary layers

UNIT - I

Aerofoil and Wing: Forces and moments on aircraft, wing platform geometry, Aerofoil nomenclature, aerodynamic characteristics, centre of pressure and aerodynamic centre; Wing of infinite aspect ratio, generation of lift, starting Vortex, Kutta‘s trailing edge condition, pressure distribution on aerofoil,

UNIT - II

Forces and Moments on Aircraft: Types of drag, wake, Estimation of lift, drag and pitching moment coefficient from pressure distribution, Aerofoil characteristics, Cl vs Angle of attack. Aspect ratio effect on Cl curve, Cl vs Cd, pitching moment coefficient, Steady level flight, wing loading, drag polar. .

UNIT - III

Propellers and Propulsion: Froudes momentum theory of propulsion, Airscrew, airscrew pitch, geometric Pitch, mean pitch, vortex system of an airscrew, performance of blade, actuator disc in hovering flight.

UNIT - IV

Introduction to Steady Flight Performance: Types of drag, minimum drag condition in level flight, power, conditions of minimum power requirements, - gliding flight, rate of sink, range, - Climbing flight, condition for maximum rate of climb, rate of turning.

UNIT - V

Boundary Layer Theory: Introduction to boundary layer, laminar and turbulent boundary layer, transition, boundary layer on flat plate, displacement thickness, momentum thickness, energy thickness, effect of curvature, temperature boundary layer.

TEXT BOOKS:

• 1. E. L. Houghton and P. W. Carpenter, ―Aerodynamics for Engineering Studentsǁ, Edward Arnold Publishers Ltd., London, 5th Edition, 1982,
• 2. J. D. Anderson, ―Fundamentals of Aerodynamicsǁ, Mc Graw Hill Book Co., New York, 5th Edition, 1985.
• 3. John J. Bertin and Russell M. Cummings, ―Aerodynamics for Engineering Studentsǁ, Pearson, 5th Edition, 2009.

Reference Books:

• 1. L. J. Clancy, ―Aerodynamicsǁ, Pitman, 1st Edition, 1986.
• 2. L. H. Milne, S. Thomson, ―Theoretical Aerodynamicsǁ, Dover, 2nd Edition, 1985.
• 3. K. Karamcheti, ― Principles of Ideal-Fluid Aerodynamicsǁ, Krieger Pub Co; 2nd edition, 1980. R18 B.TECH. AERONAUTICAL ENGG.