# GATE Aerospace Engineering Syllabus 2023 – AE Units, Topics, Latest Changes

GATE Aerospace Engineering Syllabus 2023: Check out the GATE Syllabus for Aerospace Engineering (AE). The aerospace subject is one of the papers in GATE 2022 Examination. Earlier we’ve provided GATE Exam pattern 2022, Now we are providing the GATE Syllabus 2023 of Aerospace Paper. AE is the subject code of GATE Aerospace Engg Exam. Below we’ve provided GATE Aerospace Engineering Syllabus & weight-age for GATE 2022 Examination. Here you can see Aerospace Engineering applicable chapters & topics for GATE exam 2022.

## GATE Paper Pattern & Marks Weightage

GATE Aerospace Engineering Syllabus 2023: GATE paper questions are divided into three sections.  As given below GATE score can be distributed for each section. 70 percentage of the marks cover the core subject of the GATE Examination. i.e here Core Subject is Aerospace Engg.

GATE 2019 – 2022
Paper Pattern for Aerospace Engineering (AE)

 GATE Paper Sections GATE Marks Distribution Subject Questions (Core Subject) 70% of the total marks. Engineering Mathematics 15% of the total marks. GA (General Aptitude) 15% of the total marks.

## GATE Aerospace Engineering Syllabus (AE)

The GATE exam will also have General Aptitude section. The General Aptitude section is common for all papers. You can download the GATE 2021 Syllabus for General Aptitude (GA) in PDF or you can check

GATE General Aptitude (GA) Syllabus (Full Details)

### Engineering Mathematics

Linear Algebra: Matrices and Determinants, Systems of linear equations, Eigenvalues and eigenvectors.

Calculus: Limit, continuity, and differentiability; partial derivatives; maxima and minima; Sequences and series; tests for convergence; Fourier series, Taylor series.

Vector Calculus: Gradient; divergence and Curl; Line; surface and volume integrals; Stokes, Gauss and Green’s theorems.

Differential Equations: Linear and non-linear 1st order Ordinary Differential Equations, Higher order linear ODEs with constant coeff’s; Cauchy’s and Euler’s eq’s; Laplace transforms; Partial Diff Equations – Laplace, heat & wave equations

Probability & Statistics: Mean, median, mode & standard deviation; random variables; Poisson, normal and binomial distributions; correlation & regression analysis; tests of signifi, analysis of variance (ANOVA).

Numerical Methods: Solutions of linear and non-linear algebraic equations; numerical integration – trapezoidal and Simpson’s rule; numerical solutions of ODE.

### Flight Mechanics

Core Topics

Atmosphere:Properties, Standard atmosphere. Classification of Airplane (fixed wing aircraft) configuration and several parts.

Airplane performance:

Pressure altitude, equivalent, calibrated, indicated airspeeds, Primary flight instruments: Altimeter, ASI, VSI, Turn-bank indicator.cruise climb, endurance or loiter; load factor, turning flight, V-n diagram; Winds: head, tail & cross winds, Drag polar; takeoff and landing; steady climb and descent, absolute and service ceiling; cruise.

Static stability: Angle of attack, sideslip; roll, pitch & yaw controls; longitudinal stick fixed & free stability, horizontal tail position & size; directional stability, vertical tail position, and size; dihedral stability. Wing dihedral, sweep & position; hinge moments, stick forces.

Special Topics

Dynamic stability:  Euler angles; Equations of motion; aerodynamic forces and moments, stability & control derivatives; decoupling of longitudinal and lateral-directional dynamics; longitudinal modes; lateral-directional modes.

### Space Dynamics

Core Topics

Central force motion, determination of trajectory, and orbital period in simple cases.

Special Topics

Central force motion, determination of trajectory, and orbital period in simple cases.

No Special Topics:

### Aerodynamics

Core Topics

Basic Fluid Mechanics: Conservation laws: Mass, momentum (Integral and differential form); Potential flow theory: sources, sinks, doublets, line vortex, and their superposition; Viscosity, Reynold’s number.

Potential flow theory: sources, sinks, doublets, line vortex, and their superposition. Elementary ideas
of viscous flows including boundary layers

Airfoils and wings: Airfoil nomenclature; Aerodynamic coefficients: lift, drag, and moment; Kutta-Joukoswki theorem; Thin airfoil theory, Kutta condition, starting vortex; Finite wing theory: Induced drag, Prandtl lifting line theory; Critical and drag divergence Mach number.

Compressible Flows Basic concepts of compressibility, Conservation equations; One-dimensional compressible flows, Fanno flow, Rayleigh flow; Isentropic flows, normal and oblique shocks, Prandtl-Meyer flow; Flow through nozzles and diffusers.

Special Topics: Wind Tunnel Testing: Measurement and visualization techniques. Shock – boundary
layer interaction.

### Structures

Core Topics

Strength of Materials: States of stress and strain. Stress and strain transformation. Mohr’s Circle. Principal stresses. Three-dimensional Hooke’s law. Castigliano’s principles. Plane stress & strain, Failure theories: Maximum stress, Tresca and von Mises; Strain energy.Analysis of statically determinate and indeterminate trusses and beams.

Flight Vehicle Structures: Importance of aircraft structures & materials. Torsion, bending, and flexural shear of thin-walled sections. Loads on aircraft meters.

Structural Dynamics: Free & forced vibrations of undamped and damped SDOF sys’s. Free vibrations of undamped 2-DOF systems.

Special Topics: Vibration of beams. Theory of elasticity: Equilibrium and compatibility equations,
Airy’s stress function

### Propulsion

Core Topics

turboprop, turbo shaft, turbofan and ramjet engines, thrust augmentation of turbojets, and turbofan engines. Aerothermodynamics of non-rotating propulsion components such as intakes, combustor & nozzle.

Basics: Thermodynamics, boundary layers, and heat transfer and combustion thermochemistry.

Thermodynamics of aircraft engines: Thrust, efficiency and engine performance of turbojet,

Axial turbines: Axial turbine stage efficiency.

Centrifugal compressor: Centrifugal compressor stage dynamics, inducer, impeller, and diffuser.

Axial compressors: Angular momentum, work, and compression, the characteristic performance of a single axial compressor stage, the efficiency of the compressor, and degree of reaction.

Rocket propulsion: Thrust equation and specific impulse, multi-staging of rockets, vehicle acceleration, drag, gravity losses,. Classification of performance of solid and liquid propellant rockets, chemical rockets.

The Scholars can make a bookmark of this article. Almost we have been mentioned the total syllabus of GATE Aerospace Engineering Syllabus 2023.