Course Details
Subject {L-T-P / C} : ME4361 : Fluid Mechanics and Fluid Machinery { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Dr. Kaustav Chaudhury
Syllabus
Introduction: Physical properties of fluids, Ideal and Real fluids, Concept of shear stress, Newtonian and Non-Newtonian fluids. Fluid Statics: Pressure-density-height relationships, Manometers, Force on plane and curved surfaces, Centre of pressure, Buoyancy, Stability of immersed and floating bodies. Fluid masses subjected to uniform accelerations, Free and forced vortex. Fluid Kinematics: Steady and unsteady, uniform and non-uniform, laminar and turbulent flows. Free surface flows and enclosed flows. Definition of one-, two- and three-dimensional flows. Stream lines, Streak lines, Path lines. Stream tubes. Stream function and velocity potential. Flow nets. Fluid Dynamics: Equation of continuity. One-dimensional Euler's equation of motion and its integration to obtain Bernoulli's equation and momentum equation. Flow through pipes (incompressible flow): Laminar and turbulent flow in pipes, Hydraulic mean radius, Darcy -Weisbach equation, Moody's diagram. Minor losses, Pipes in parallel and series. Transmission of power. Water hammer in pipes. Measurements: Pitot tube, Current meter, Venturi meter, Orifice meter, Orifice and mouthpieces, Notches and Weirs.
Boundary layer growth over a flat plate, Boundary layer thickness, Displacement thickness, Momentum thickness and energy thickness, Laminar and turbulent boundary layer,
Turbines: Classification, Study of Pelton, Francis and Kaplan Turbines, Blade Angle, Velocity Triangle, Efficiencies. Specific speed unit quantities, Performances of turbines, Principle of similarity applied to turbines. Centrifugal Pumps: Principle and Classification, Efficiency, Specific speed, Characteristic curves, Multi stage pumps, Pumps in series and parallel, Principle of similarity applied to pumps, cavitation in pumps, NPSH. Reciprocating Pump: Principle of working, Slip, Work done, Effect of acceleration and frictional resistance, Separation, Air vessels. Miscellaneous Machines: Rotary and air injection pumps, Hydraulic ram, Hydrostatic machines, Fluid power transmission systems, Hydraulic accumulator, Intensified, Press and Jack.
Course Objectives
- Understanding the fundamental principles of fluid mechanics
- Understanding the application of fluid mechanics principles for practical problems
- Fundamental principles of fluid machinery and their applications
Course Outcomes
CO1: Knowledge will be gained on the subject matter. <br />CO2: Able to apply the theory to practical problems. <br />CO3: Knowledge will be enhanced to implement the concept for product development.
Essential Reading
- F. M. White, Fluid Mechanics, McGraw-Hill , Fluid Mechanics
- S. K. Som and G. Biswas, Fluid Mechanics and Fluid Machines, Tata McGraw-Hill , Fluid Mechanics and Fluid Machines
Supplementary Reading
- B. S. Massey, Mechanics of Fluids, CRC Press , Mechanics of Fluids
- P. K. Kundu, I. M. Cohen, D. R Dowling, Fluid Mechanics, Academic Press , Fluid Mechanics