AO4103 Flight Vehicle Aerodynamics Syllabus:
AO4103 Flight Vehicle Aerodynamics Syllabus – Anna University PG Syllabus Regulation 2021
COURSE OBJECTIVES:
This course will enable the students
1. To gain insights into the basics of fluid flow, its model and tool to solve the fluid flow problems.
2. To be familiar with the conservation laws of fluid dynamics, and how to apply them to practical fluid flows.
3. To gain knowledge on elementary flows to combine and form realistic flows with suitable assumptions.
4. To analyse incompressible flow over three-dimensional bodies like wing and so on.
5. To gain knowledge on the basic concepts of viscous flows, boundary layers to practical flows.
UNIT I INTRODUCTION TO AERODYNAMICS
Aerodynamic force and moments, lift and Drag coefficients, Centre of pressure and aerodynamic centre, Coefficient of pressure, moment coefficient, Continuity and Momentum equations, Point source and sink, doublet, Free and Forced Vortex, Uniform parallel flow, combination of basic flows, Pressure and Velocity distributions on bodies with and without circulation in ideal and real fluid flows, Magnus effect
UNIT II INCOMPRESSIBLE FLOW THEORY
Conformal Transformation, Karman ,Trefftz profiles, Kutta condition, Kelvin’s Circulation Theorem and the Starting Vortex, Thin aerofoil Theory and its applications. Vortex line, Horse shoe vortex, Biot– Savart law, lifting line theory, effect of aspect ratio.
UNIT III COMPRESSIBLE FLOW THEORY
Compressibility, Isentropic flow through nozzles, Normal shocks, Oblique and Expansion waves, Moving shock waves, Rayleigh and Fanno Flow, Potential equation for compressible flow, Small perturbation theory, Prandtl- Glauert Rule, Linearized supersonic flow, Method of characteristics.
UNIT IV AIRFOILS, WINGS AND AIRPLANE CONFIGURATION IN HIGH SPEED FLOWS
Critical Mach number, Drag divergence Mach number, Shock stall, super critical airfoils, transonic area rule, Swept wings (ASW and FSW), Supersonic airfoils, Shock-Expansion Theory, Wave drag, Delta wings.
UNIT V VISCOUS FLOW THEORY
Basics of viscous flow theory, Boundary Layer,Flow separation, Displacement, momentum and Energy Thickness, Laminar and Turbulent boundary layers ,Boundary layer over flat plate, Blasius Solution, Estimation of skin friction drag in laminar and turbulent flow, The Reference Temperature Method.
TOTAL: 60 PERIODS
COURSE OUTCOMES:
Upon completion of this course, students will
CO1: Comprehend the behaviour of airflow over bodies with particular emphasis on airfoil sections in the incompressible flow regime.
CO2: Be able to solve inviscid, incompressible and irrotational flows.
CO3: Be able to apply the conservation equations for fluid flows.
CO4: Be provided with the knowledge on thermodynamic state of the gas behind normal shock waves, oblique shock waves and expansion waves.
CO5: Be provided with adequate knowledge on the basic concepts of laminar and turbulent boundary layers.
REFERENCES:
1. J.D. Anderson, Fundamentals of Aerodynamics, McGraw-Hill Education, 6th edition, 2017.
2. Rathakrishnan.E., Gas Dynamics, Prentice Hall of India, 7th edition, 2020.
3. Shapiro, AH, “Dynamics & Thermodynamics of Compressible Fluid Flow”, Ronald Press, 1982.
4. Houghton, EL and Caruthers, NB,“Aerodynamics for Engineering Students”, ButterworthHeinemann series, 7th edition 2017.
5. Zucrow, M.J, and Anderson, J.D, “Elements of gas dynamics” McGraw-Hill Book Co., New York, 1989.
6. Rae, WH and Pope, A, “Low speed Wind Tunnel Testing”, John Wiley Publications, 3rd edition, 1999.