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:

• Theoretical Aerodynamics
• Conformal Transformation

UNIT - I

Introductory Topics for Aerodynamics: Properties of fluid, units, dimensions, form of matter, pressure, temperature, density, viscosity, specific heats and relations, enthalpy, entropy, atmosphere- ISA, types of flow, 1-D flow equations, conservation of mass, momentum, energy, equation of state, pressure coefficient.

UNIT - II

Potential Flow: Potential flow, velocity potential, stream function, Laplace equation, flow singularities- Uniform flow. source, sink, doublet, Vortex, Non lifting and lifting flow over a cylinder Kutta-Joukowski theorem. Magnus effect, circulation,

UNIT - III

Finite Wing Theory: Vortex motions, vortex line, vortex tube, vortex sheet; Circulation; Kelvin and Helmhotz theorem; Biot-Savart‘s law, applications, Rankine‘s vortex; Flow past finite wings, vortex model of the wing and bound vortices; Induced drag; Prandtl‘s lifting line theory; Elliptic wing. Influence of taper and twist applied to wings, effect of sweep back wings; Delta wings, primary and secondary vortex; Elements of lifting surface theory. Source Panel Vortex panel and Vortex lattice methods.

UNIT - IV

Flow Past Non-Lifting Bodies and Interference Effects: Flow past non lifting bodies, method of singularities; Wing-body interference; Effect of propeller on wings and bodies and tail unit; Flow over airplane as a whole.

UNIT - V

Conformal Transformation: Conformal transformation, Kutta-Zhukovasky transformation- circle to straight line, circle to ellipse, circle to symmetric aerofoil, circle to chambered aerofoil, circle to circular arc.

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. R18 B.TECH. AERONAUTICAL ENGG.

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.