NPTEL : NOC:Principle of Hydraulic Machines and System Design (Mechanical Engineering)

Co-ordinators : Prof. Pranab K. Mondal


Lecture 1 - Introduction to hydraulic machines: classifications and operational principles

Lecture 2 - Euler equation for turbomachines: net head developed by the pump/turbines

Lecture 3 - Velocity triangles of pumps, effect of inlet swirl on pump operation

Lecture 4 - Velocity triangles of pumps, effect of inlet swirl on pump operation

Lecture 5 - Pump casings, Efficiencies and Problems - I

Lecture 6 - Pump casings, Efficiencies and Problems - II

Lecture 7 - Pump casings, Efficiencies and Problems - III

Lecture 8 - Axial flow pump, HQ curve, System Resistance Curve - I

Lecture 9 - Axial flow pump, HQ curve, System Resistance Curve - II

Lecture 10 - HQ Curve, System Resistance Curve - I

Lecture 11 - HQ Curve, System Resistance Curve - II

Lecture 12 - Introduction to Cavitation

Lecture 13 - Condition for Cavitation and NPSH

Lecture 14 - Net Positive Suction Head (NPSH)

Lecture 15 - Suction number and Introduction to off design condition

Lecture 16 - Cavitation: The effect of off-design Conditions

Lecture 17 - Cavitation: Preventive Measures

Lecture 18 - Cavitation: Preventive Measures, Effect on Pump Characteristic

Lecture 19 - Problems on Cavitation

Lecture 20 - Introduction to Slip : Stodola Slip Model

Lecture 21 - Departure from Euler theory

Lecture 22 - Slip Velocity - I

Lecture 23 - Slip Velocity - II

Lecture 24 - Problem on slip

Lecture 25 - Degree of reaction of pump

Lecture 26 - Degree of reaction and axial pump design

Lecture 27 - Testing of radial flow pump - I

Lecture 28 - Testing of radial flow pump - II

Lecture 29 - Problem on radial flow pump testing

Lecture 30 - Radial equilibrium of axial flow pump - I

Lecture 31 - Radial equilibrium of axial flow pump - II

Lecture 32 - Pump operation: series and parallel connection

Lecture 33 - Series and parallel operation of dissimilar pumps

Lecture 34 - Pumping system design

Lecture 35 - Design of parellel pumping system

Lecture 36 - Numerical problem on pumps - I

Lecture 37 - Numerical problem on pumps - II

Lecture 38 - Numerical problem on pumps - III

Lecture 39 - Working principle and Indicator diagram of PD pump

Lecture 40 - Working principle and Indicator diagram of PD pump (Continued...)

Lecture 41 - Modified indicator diagram and Head-Discharge curve

Lecture 42 - Analysis and Head-Discharge curve of PD pump

Lecture 43 - Analysis and efficiencies of PD pump

Lecture 44 - Requirement of air chamber in PD pump

Lecture 45 - Numerical problem on PD pump with air chamber

Lecture 46 - Similarity and dimensional analysis of hydraulic machines

Lecture 47 - Dimensional analysis of hydraulic machines: Buckingham's theorem

Lecture 48 - Buckingham's theorem: Specific speed of hydraulic machines

Lecture 49 - Turbine Classification and Operational principle of Pelton wheel

Lecture 50 - Velocity Tiangles and analysis

Lecture 51 - Operational Principle of Reaction turbine

Lecture 52 - Degree of Reaction and Introduction to axial flow turbine

Lecture 53 - Kaplan Turbine: Operational Principle, Turbine efficiencies

Lecture 54 - Draft Tube for Reaction Turbine and Cavitation

Lecture 55 - Energy Balance and NPSH

Lecture 56 - Thoma Cavitation Factor

Lecture 57 - Reaction Turbine: Design aspects and Characteristic Curves

Lecture 58 - Problems on Impulse and Reaction Turbines