Aerospace Engineering is the study of science involved in design and construction of aircraft and spacecraft.
Following is the syllabus for Gate Exam for Aerospace Engineering:
ENGINEERING MATHEMATICS
Linear Algebra: Matrix algebra, systems of linear equations, eigen values and eigen vectors.
Calculus: Functions of single variable, limit, continuity and differentiability, mean value theorems, evaluation of definite
and improper integrals, partial derivatives, total derivative, maxima and minima, gradient, divergence and curl, vector
identities, directional derivatives, line, surface and volume integrals. Theorems of Stokes, Gauss and Green.
Differential Calculus: First order linear and nonlinear equations, higher order linear ODEs with constant coefficients,
Cauchy and Euler equations, initial and boundary value problems, Laplace transforms. Partial differential equations and
separation of variables methods.
Numerical methods: Numerical solution of linear and nonlinear algebraic equations, integration by trapezoidal and Simpson
rule, single and multistep methods for differential equations.
FLIGHT MECHANICS
Atmosphere: Properties, standard atmosphere. Classification of aircraft. Airplane (fixed wing aircraft) configuration and
various parts.
Airplane performance: Pressure altitude; equivalent, calibrated, indicated air speeds; Primary flight instruments: Altimeter,
ASI, VSI, Turnbank indicator. Drag polar; take off and landing; steady climb & descent,absolute and service ceiling;
cruise, cruise climb, endurance or loiter; load factor, turning flight, Vn diagram; Winds: head, tail & cross winds.
Static stability: Angle of attack, sideslip; roll, pitch & yaw controls; longitudinal stick fixed & free stability,
horizontal tail position and size; directional stability, vertical tail position and size; dihedral stability. Wing dihedral,
sweep & position; hinge moments, stick forces.
Dynamic stability: Euler angles; Equations of motion; aerodynamic forces and moments, stability & control derivatives;
decoupling of longitudinal and latdirectional dynamics; longitudinal modes; lateraldirectional modes.
SPACE DYNAMICS
Central force motion, determination of trajectory and orbital period in simple cases. Orbit transfer, inplane and
outofplane. Elements of rocket motor performance.
AERODYNAMICS
Basic Fluid Mechanics: Incompressible irrotational flow, Helmholtz and Kelvin theorem, singularities and superposition,
viscous flows, boundary layer on a flat plate.
Airfoils and wings: Classification of airfoils, aerodynamic characteristics, high lift devices, Kutta Joukowski theorem; lift
generation; thin airfoil theory; wing theory; induced drag; qualitative treatment of low aspect ratio wings.
Viscous Flows: Flow separation, introduction to turbulence, transition, structure of a turbulent boundary layer.
Compressible Flows: Dynamics and Thermodynamics of ID flow, isentropic flow, normal shock, oblique shock, PrandtlMeyer
flow, flow in nozzles and diffusers, inviscid flow in a cd nozzle, flow in diffusers. subsonic and supersonic airfoils,
compressibility effects on lift and drag, critical and drag divergence Mach number, wave drag.
Wind Tunnel Testing: Measurement and visualisation techniques.
STRUCTURES
Stress and Strain: Equations of equilibrium, constitutive law, straindisplacement relationship, compatibility equations,
plane stress and strain, Airy's stress function.
Flight Vehicle Structures: Characteristics of aircraft structures and materials, torsion, bending and flexural shear.
Flexural shear flow in thinwalled sections. Buckling. Failure theories. Loads on aircraft.
Structural Dynamics: Free and forced vibration of discrete systems. Damping and resonance. Dynamics of continuous systems.
PROPULSION
Thermodynamics of Aircraft Gas Turbine engines, thrust and thrust augmentation.
Turbomachinery: Axial compressors and turbines, centrifugal pumps and compressors.
Aerothermodynamics of non rotating propulsion components: Intakes, combustor and nozzle. Thermodynamics of ramjets and scramjets. Elements of rocket propulsion.
For more information refer: http://gate.iitk.ac.in/
