Course Details

Subject {L-T-P / C} : CH2111 : Fluid Dynamics { 3-1-0 / 4}

Subject Nature : Theory

Coordinator : Prof. Hara Mohan Jena

Syllabus

Module-I
Fluid properties, fluid statics and dimensional analysis: Basic concepts, properties and classification, fluid statics: hydrostatic equilibrium, pressure measurement, forces on surfaces, buoyancy. Dimensional analysis and similitude, Rayleigh’s method, Buckingham Pi theorem and applications, model analysis. 06 hrs

Module-II
Fluid flow phenomena and basic equations: Nature and classification of flow, Kinematics of fluid flow, velocity field stream function, irrational flow, vortex flow, dynamic properties of fluid, turbulence, boundary layers. Macroscopic Balances, derivation of integral balances for mass, energy and momentum, differential balances of fluid flow: derivation of continuity and momentum (Navier-Stokes) equations, potential flow and, Bernoulli’s equation. 8 hrs

Module-III
Incompressible Flow and compressible flow: Applications of momentum (Navier-Stokes) equations, Laminar flow in pipes and channels, Couette flow, plane Poiseuille flow, Shear stress and skin friction in pipes, Turbulent flow in pipes and channels, Friction from changes in velocity or direction. Friction factor charts, losses in fittings, and flow in manifolds. Basic equations of turbulent flow, turbulent boundary layer equation, flat plate turbulent boundary layer, and turbulent pipe flow. Compressible fluid flow, basic equations, flow through nozzles and orifices. 15 hrs

Module-IV
Flow of Fluids through Solids: Form drag, skin drag, Drag co-efficient. Flow around solids and
packed beds. Friction factor for packed beds. Ergun's Equation, Motion of particles through fluids, Motion under gravitational and centrifugal fields, Terminal settling velocity. Fluidisation: Mechanism, types, general properties – applications 6hrs

Module-V
Transportation and Metering: Measurement of fluid flow: Orifice meter, venturi meter, pitot tube, rotameter, Brief introduction to non-conventional methods: Laser Doppler velocimetry, Particle image velocimetry, Ultrasonic flow meters, Electromagnetic flow meters. Hot wire and hot film anemometers. Transportation of fluids: Fluid moving machinery performance. Classification and selection. Air lift and diaphragm pump. Positive displacement pumps: Rotary and Reciprocating pumps. Centrifugal pumps and characteristics. 10 hrs

Course Objectives

Course Outcomes

Upon successful completion of this course, a student will have / be able to: <br />CO1: To estimate fluid properties, hydrostatic forces, use dimensional analysis and similarity considerations in the design and interpretation of scale model experiments. <br />CO2: To derive conservation equations, analyze momentum fluxes and calculate forces in moving fluids. <br />CO3: To analyze frictional flow in pipes and piping networks and to compute the <br />head loss, pipe size and power requirements for chemical process equipment. <br />CO4: To solve problems involving motion of particles in fluid, fluid–solid operations in <br />packed beds and fluidized beds. <br />CO5: To select appropriate metering equipment and fluid moving machinery, analyze their performance for different chemical engineering operations

Essential Reading

Supplementary Reading