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Indian Institute of Technology Guwahati

Fluid Flow Operations

Indian Institute of Technology Guwahati and NPTEL via Swayam


This course is structured as a MOOCS course for students or junior engineers studying chemical, mechanical or civil engineering. In this course, effort will be made to introduce students /engineers to fluid mechanics by making explanations easy to understand, including recent information and comparing the theories with actual phenomena. The following features will be included in the course1. Many illustrations, photographs and items of interest will be presented for easy understanding. 2. Assignments and exercises will be given at the ends of course lecture to test understanding of the chapter topic. 5. Special emphasis will be given on real multiphase flow phenomena with specific applicationsINTENDED AUDIENCE: Chemical Engineering, Civil Engineering and Mechanical Engineering UG and PG students and FacultyPREREQUISITES: Nil.INDUSTRY SUPPORT: Chemical Industries, Flow reactor handling, Piping system, Metering fluent etc.


Week 1 : Characteristics of a fluid: Fluid: Units and dimensions; Density, specific gravity and specific volume; Viscosity; Surface tension; Compressibility; Characteristics of a perfect gasWeek 2 : Fluid statics: Pressure: Forces acting on the vessel of liquid: Why does an object float?; Relatively stationary stateWeek 3 : Fundamentals of flow: Streamline and stream tube; Steady flow and unsteady flow; Three-dimensional, two-dimensional and one-dimensional flow; Laminar flow and turbulent flow; Reynolds number; Incompressible and compressible fluids; Rotation and spinning of a liquid; Circulation.Week 4 : One-dimensional flow: mechanism for conservation of flow properties; Continuity equation; Conservation of energy; Conservation of momentum; Conservation of angular momentumWeek 5 : Flow of viscous fluid: Continuity equation; Navier-Stokes equation; Boundary layer; Velocity distribution of laminar flow; Velocity distribution of turbulent flow; Theory of lubricationWeek 6 : Losses in pipes: Loss by pipe friction; Frictional loss on pipes other than circular pipes; Various losses in pipe lines; Flow in the inlet region; Pumping to higher levelsWeek 7 : Flow in a water channel: Flow in an open channel with constant section and flow velocity; Best section shape of an open channel; Specific energy; Constant discharge; Constant specific energy; Constant water depth; Hydraulic jumpWeek 8 : Drag and lift and cavitation: Flows around a body; Forces acting on a body; The drag of a body; The lift of a body; CavitationWeek 9 : Dimensional analysis and law of similarity: Dimensional analysis; Rayleigh’s method, Buckingham’s Pi theorem; Application examples of dimensional analysis; Law of similarityWeek 10 : Compressible fluid flow:Introduction, Thermodynamic characteristics,Speed of sound or sonic velocity, Mac number, Basic Equations of One dimensional, compressible flow, Isentropic compressible Flow, Shock Waves, Expansion waves, Fanno and Rayleigh FlowWeek 11 : Measurement of flow: Measurement of flow velocity; Measurement of flow dischargeWeek 12 : Multiphase flow phenomena and its application: Introduction of multiphase flow patterns; Flow patterns map; Hydrodynamics in multiphase flow, Application of multiphase flow

Taught by

Prof. Subrata Kumar Majumder



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