Aeronautical Fluid Mechanics
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Follow on Instagram for UpdatesAeronautical Fluid Mechanics Syllabus — Unit-wise Content
The official GTU curriculum for Aeronautical Fluid Mechanics (subject code BE04001051) as prescribed for Aero · Semester 4 divides the course into 8 units, covering 67 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (BE04001051)Unit 1 Properties of Fluids
- Concept of fluids and continuum
- Properties: density
- specific weight
- specific gravity
- Viscosity: dynamic & kinematic – relevance to aircraft lubrication systems
- Surface tension & capillarity – fuel systems
- wing de-icing fluids
- bulk modulus
- vapor pressure – cavitation in pumps
- aircraft fuel pumps
- Applications in aerospace fluids: hydraulic fluids (Skydrol)
- aviation fuels
- coolant and lubrication systems
Unit 2 Fluid Statics
- Pressure concepts and measurement
- Pascal’s Law – applications in aircraft hydraulic systems (landing gear
- Manometers and pressure gauges used in aircraft instrumentation
- Hydrostatic forces on plane & curved surfaces
- stability of floating/submerged bodies – seaplanes & UAV float design
- Aircraft applications: pitot-static pressure measurement
- fuel tank pressure management
Unit 3 Fluid Kinematics
- Types of flow: steady/unsteady
- Flow visualization: streamlines
- pathlines – smoke flow visualization in wind tunnels
- Velocity & acceleration fields
- Continuity equation for 2D/3D flows
- Aeronautical applications: flow through intakes
- bypass ducts
- wing flow visualization
- airframe ventilation
Unit 4 Fluid Dynamics
- Euler’s equation of motion – assumptions and applicability
- Bernoulli’s equation – derivation
- Applications: Pitot-static tubes for air speed measurement. Venturi meters in carburetion/intake systems. Nozzles & diffusers in gas turbine engines
- Momentum equation – force on bends
- thrust calculations
- Aeronautical applications: lift generation
- pressure distribution on airfoils
- thrust augmentation. w.e.f.2024-25 https://syllabus.gtu.ac.in/ Page3of4 GUJARAT TECHNOLOGICAL UNIVERSITY Program Name: Bachelor of Engineering Level: UG Branch: Aeronautical Subject Code: BE04001051 Subject Name: Aeronautical Fluid Mechanics
Unit 5 Dimensional Analysis & Similitude
- Dimensional homogeneity
- Rayleigh’s method & Buckingham π-Theorem
- Important dimensionless numbers: Re, Fr, We, Eu, Ma – physical significance
- Model laws & similarity criteria
- Applications: Wind tunnel testing of aircraft models
- Helicopter rotor testing
- Scale modeling of UAVs
Unit 6 Laminar & Turbulent Flow
- Reynolds’s experiment – critical Reynolds number
- Hagen–Poiseuille equation for laminar flow
- Velocity distribution and shear stress in laminar flow
- Darcy–Weisbach equation
- friction factor – flow resistance
- Moody diagram – significance in design of pipes and ducts
- Applications: Ducts in air-conditioning systems of aircraft
- Fuel and oil flow in aircraft pipelines
- Boundary layer behavior on wings
Unit 7 Flow in Pipes & Channels
- Energy losses in pipes (major and minor) – sudden expansion
- Hydraulic Grade Line (HGL) and Total Energy Line (TEL)
- Pipes in series and parallel – equivalent pipe concept
- Basics of water hammer – mitigation in pipelines
- Applications: ECS (Environmental Control System)
- fuel lines
- lubrication circuits
Unit 8 Introduction to Compressible Flow
- Compressibility and Mach number – classification of flows
- Speed of sound in fluids – dependence on medium
- Stagnation properties: pressure
- 1D isentropic flow relations – nozzle and diffuser analysis
- Applications: Jet engines (intake
- Supersonic aircraft aerodynamics
- Shock waves (basic exposure)
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