GATE XE Fluid Mechanics Syllabus
Complete section-wise syllabus for GATE XE Fluid Mechanics section. This syllabus is prepared based on the latest official GATE notification and is regularly updated to reflect any changes announced by the exam authorities. Each section includes a detailed list of topics that candidates should study to prepare effectively for the exam.
8TopicsB Section Code35 Marks
- Fluid Properties: Density, viscosity, surface tension, relationship between stress and strain-rate for Newtonian fluids
- Classification of Flows: Viscous versus inviscid flows, incompressible versus compressible flows, internal versus external flows, steady versus unsteady flows, laminar versus turbulent flows, 1-D, 2-D and 3-D flows, Newtonian versus non-Newtonian fluid flow
- Hydrostatics: Buoyancy, manometry, forces on submerged bodies and its stability
- Eulerian and Lagrangian descriptions of fluid motion; Concept of local, convective and material derivatives
- Streamline, streakline, pathline and timeline
- Reynolds Transport Theorem (RTT) for conservation of mass, linear and angular momentum
- Differential equations of mass and momentum for incompressible flows; Inviscid flows - Euler equations and viscous flows - Navier-Stokes equations
- Concept of fluid rotation, vorticity, stream function and circulation
- Exact solutions of Navier-Stokes equations for Couette flow and Poiseuille flow, thin film flow
- Concept of geometric, kinematic and dynamic similarity; Buckingham Pi theorem and its applications
- Non-dimensional parameters and their physical significance - Reynolds number, Froude number and Mach number
- Fully developed pipe flow
- Empirical relations for laminar and turbulent flows: friction factor, Darcy-Weisbach relation and Moody's chart; Major and minor losses
- Bernoulli's Equation: Assumptions and applications
- Flow measurements - Venturi meter, Pitot-static tube and orifice meter
- Elementary Potential Flows: Velocity potential function; Uniform flow, source, sink and vortex, and their superposition for flow past simple geometries
- Prandtl Boundary Layer Equations: Concept and assumptions
- Boundary Layer Characteristics: Boundary layer thickness, displacement thickness and momentum thickness
- Qualitative idea of boundary layer separation, streamlined and bluff bodies, and drag and lift forces