Course Details
Subject {L-T-P / C} : ME3303 : Fluid Dynamics and Hydraulic Machines { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Dr. Suman Ghosh
Syllabus
Module 1- Boundary Layer Theory: Flow over a flat plate, Concept of boundary layer, Growth of boundary layer, Boundary layer thickness, Laminar and turbulent boundary layer, Boundary layer equation, Boundary layer approximation, Similarity variable & Similarity solution (Blasius solution), Integral laminar boundary layer solution for parallel flow over a flat plate, Skin friction, Drag coefficient, Boundary layer in pipe flow.
Module 2- Potential or Ideal flows: Velocity potential and Stream function, Flownet, Introduction of Complex Potential and Complex Velocity, Introduction of 2D Source, 2D Sink, 2D Doublet, superimposition of 2D uniform and doublet flow.
Module 3- Hydraulic machines: introduction, working principle, classification. Hydraulic Turbines: Classification, Pelton turbine, Francis and Kaplan turbines, Blade angle, Velocity triangle, Efficiencies. Specific speed, Performance of turbines.
Module 4- Centrifugal Pumps: Principle and classification, Multistage pumps, Pumps in series and parallel, Blade angle, Velocity triangle, Efficiency, Specific speed, Characteristic curves.
Module 5- Reciprocating Pump: Working principle, Slip, Work done, Effect of acceleration and frictional resistance, Air vessels.
Course Objectives
- To understand the basic concepts of boundary layer theory.
- To recognize the basic ideas of the Ideal (Potential) flow theory.
- To comprehend the basic working principles of hydraulic machines like turbines, centrifugal pumps, and reciprocating pumps.
- To recognize the above concept and principles written in the form of mathematical equations. To apply the above-mentioned fundamental principles and equations to analyze problems by making good assumptions and learn systematic engineering methods to solve practical problems.
Course Outcomes
Upon completion of this course, students will be able: <br />CO1. To identify and apply the boundary layer concept in real life practical problems. Solve and design the boundary layer problems. <br />CO2. To apply the potential and ideal flow concepts in real-life practical engineering problems. <br />CO3. To express and represent the fluid flow through hydraulic turbines. Solve diverse engineering problems regarding hydraulic turbines. <br />CO4. To apply the basic principle of fluid flow in centrifugal pump. To handle and model real-life engineering problems related to centrifugal pumps. <br />CO5. To apply the fundamental concept and knowledge of mathematics to formulate, model, and analyze real-life fluid flow in reciprocating pumps.
Essential Reading
- S. K. Som and G. Biswas, Fluid Mechanics and Fluid Machines, Tata McGraw-Hill
- Dr. J. Lal, Hydraulic Machines, Metropolitan Book Co, New Delhi
Supplementary Reading
- R. K. Bansal, Fluid Mechanics and Hydraulic Machines, Laxmi Publications (P) Ltd
- R. K. Rajput, Fluid Mechanics and Hydraulic Machines, S. Chand Publishing