Syllabus Fluid Mechanics - (BE04000161) Total Credits Assessment Pattern and Marks Total Marks Theory Tutorial / Practical ESE (E) PA / CA (M) PA / CA (I) PBL (I) ESE (V) 4 70 30 20 30 50 200 Sr. No. Content 1. 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. Compressibility, bulk modulus, vapor pressure - cavitation in pumps and cooling systems, Real-world applications : lubricants, coolants, brake fluids. (Chapter - 1) 2. Unit 2 : Fluid Statics : Pressure concepts and measurement, Pascalβs law - applications in hydraulics (brakes, lifts) , Manometers and pressure gauges (U-tube, inclined, differential), Hydrostatic forces on plane and curved submerged surfaces, Buoyancy, stability of floating and submerged bodies - automotive fuel tanks, float gauges, Applications in hydraulics, brake systems and cooling systems. (Chapter - 2) 3. Unit 3 : Fluid Kinematics : Types of flow : steady/unsteady, laminar/turbulent, compressible/incompressible, Streamline, 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. (Chapter - 3) 4. Unit 4 : Fluid Dynamics : Eulerβs equation of motion and assumptions, Bernoulliβs theorem - derivation, limitations, and assumptions, Practical applications : Venturimeter, orifice meter, pitot tube, Notches and weirs - flow measurement in test rigs, Momentum equation and its applications - force on bends, nozzles, jet impingement, Automotive applications : carburetor venturi effect, aerodynamic pressure measurement. (Chapter - 4) 5. Unit 5 : Dimensional Analysis & Similitude : Dimensional homogeneity - importance in fluid mechanics, Rayleighβs method - basic problems, Buckingham Ο-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. (Chapter - 5) 6. Unit 6 : Laminar & Turbulent Flow : Reynoldsβs 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. (Chapter - 6) 7. Unit 7 : Flow in Pipes & Channels : Energy losses in pipes (major and minor) - sudden expansion, contraction, bends, fittings, 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. (Chapter - 7) 8. Unit 8 : Introduction to Compressible Flow : Compressibility and Mach number - classification of flows, Speed of sound in fluids - dependence on medium, Stagnation properties : pressure, temperature, density, 1D isentropic flow relations - nozzle and diffuser analysis, Applications : IC engine intake/exhaust, turbochargers, supersonic aerodynamics. (Chapter 8)
