Fluid Mechanics
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Follow on Instagram for UpdatesFluid Mechanics Syllabus — Unit-wise Content
The official GTU curriculum for Fluid Mechanics (subject code BE04000161) as prescribed for Auto · 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 (BE04000161)Unit 1 Properties of Fluids
- Concept of fluids and continuum
- Properties: density
- specific gravity
- specific weight
- Viscosity: dynamic
- kinematic – significance in lubricants
- Surface tension and capillarity – applications in fuel injectors
- brake fluids
- bulk modulus
- vapor pressure – cavitation in pumps and cooling systems
- Real-world applications: lubricants
Unit 2 Fluid Statics
- Pressure concepts and measurement
- Pascal’s law – applications in hydraulics (brakes
- Manometers and pressure gauges (U-tube
- Hydrostatic forces on plane and curved submerged surfaces
- stability of floating and submerged bodies – automotive fuel tanks
- float gauges
- Applications in hydraulics
- brake systems, and cooling systems
Unit 3 Fluid Kinematics
- Types of flow: steady/unsteady
- path line
- streak line – visualization methods
- Velocity and acceleration in fluid flow
- Continuity equation in 2D and 3D flows
- Applications: intake ducts
- exhaust manifolds
- carburetor air flow
Unit 4 Fluid Dynamics
- Euler’s equation of motion and assumptions
- Bernoulli’s theorem – derivation
- limitations, and assumptions
- Practical applications: Venturimeter
- orifice meter
- pitot tube
- Notches and weirs – flow measurement in test rigs
- Momentum equation GUJARAT TECHNOLOGICAL UNIVERSITY Program Name: Bachelor of Engineering Level: UG Subject Code: BE04000161 Subject Name: Fluid Mechanics w.e.f.2024-25 https://syllabus.gtu.ac.in/ Page 3 of 6 and its applications – force on bends
- jet impingement
- Automotive applications: carburetor venturi effect
- aerodynamic pressure measurement
Unit 5 Dimensional Analysis & Similitude
- Dimensional homogeneity – importance in fluid mechanics
- Rayleigh’s method – basic problems
- Buckingham π-theorem – systematic approach to model studies
- Dimensionless numbers: Re, Fr, We, Eu, Ma – physical significance
- Model laws and similarity criteria
- Applications: automotive wind tunnel testing
- scale modeling in aerodynamics
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: radiator tubes
- lubrication circuits
- exhaust gas flow
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: coolant flow in IC engines
- oil lubrication systems
- HVAC ducts in vehicles
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: IC engine intake/exhaust
- supersonic aerodynamics
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