Fluid Mechanics and Machinery

Overview
Curriculum
Students List
Instructor

Course code : PCMET303

Course name : Fluid Mechanics and Machinery

Course Objectives :

To establish fundamental knowledge of basic fluid mechanics and its simple applications.
To familiarize students with the relevance of turbo machines and find solutions to the associated engineering problems.

Course Pre / Co-requisite: Nil

Course Outcomes : The students will be able to

CO1: Identify the fundamental fluid properties, their relationships and apply them to estimate the fluid pressure and hydrostatic forces on bodies

CO2: Classify the fluid flow and apply the principles kinematic and dynamics using the conservation of mass and momentum equations.

CO3: Analyse viscous flow through pipes and estimate the major and minor losses associated with piping network.

CO4: Understand the basic concept of dimensional analysis.

CO5: Select suitable turbo machine for specific application by identifying the pertinent parameters

Curriculum

6 Sections
48 Lessons
12 Weeks

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Module 1
Prerequisite: Properties of fluid: Specific gravity, Specific Weight, Specific Volume, Dynamic and Kinematic Viscosity. Introduction to fluid mechanics - Types of fluids, Newton’s law of viscosity. Pressure Measurement: Fluid pressure, Pressure head, types of pressures. Piezometer, Simple, differential Manometers. Fluid statics: Pressure, density, height relationship. Hydrostatic force and pressure on plane and inclined surfaces, Centre of pressure. Buoyancy and Metacentre. Stability of immersed and floating bodies.
16
Module 2.1
Fluid kinematics: Description of fluid motion – Types of flows, Material derivative velocity and acceleration – Streamlines, path lines and streak lines, Stream function and velocity potential function, flow net.
5
Module 2.2
Fluid dynamics: Continuity equation, Euler’s, and Bernoulli’s equations. – Measuring instruments – Pitot tube, Orifice meter, Venturi meter, Rectangular and Triangular Notches
8
Module 3.1
Pipe flow – laminar and turbulent flows, significance of Reynolds number, shear stress and velocity distribution in a pipe flow. – Hagen- Poiseuille equation, Darcy-Weisbach equation and Chezy’s equation, Moody’s chart for estimating frictional losses, Major and minor energy losses, hydraulic gradient, and total energy line. Navier-Stokes equation and explanation
7
Module 3.2
Dimensional analysis using Buckingham’s π theorem. Boundary layer theory: Qualitative comparison between laminar and turbulent boundary layer. Boundary layer separation
3
Module 4
Impact of jets: Impact of jet on fixed vertical, moving vertical flat plates. Impact of jet on curved vanes – fixed and moving. Velocity triangles. Classification of Turbines and pumps Comparison and examples. Pelton, Francis and Kaplan Turbines: Principle and working, head, work done, efficiencies (Problems using velocity triangles not required). Centrifugal Pumps: Principle and working, head, work required, efficiencies, Priming and cavitation. (Problems using velocity triangles not required). Reciprocating Pump: Principle and working – slip, negative slip, work required and efficiency.
9

Curriculum

Prof. Arun V

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