MEEG 309
Hydraulic Machines
3 Cr.
Introduction to Kinematics:
Relative, angular and absolute velocity. Dynamic action of a fluid. Linear momentum. Impulse and momentum equations. Dynamic force exerted by fluid jet. Stationary and moving plates. Radial flow over turbine blades, power produced by a radial machine. Fluid couplings, fluid flywheel, torque converter. Hydrostatic transmissions.
Pumps:
Centrifugal, reciprocating, rotary and radial type. Working principles. Pump characteristics and selection. Hydraulic ram.
Water Turbines:
Pelton, Francis and Kaplan type. Working principles. Components and their functions. Characteristics. Water turbine governors, working principle.
Design of Pumps and Turbines:
Fundamental principles for design. Classification. Dimensional analysis. Eulers energy equation. Flow through impellers. Axial forces and moments. Analysis of hydraulic machines. Main dimensions. Design of impellers. Velocity diagrams. Cavitation in hydraulic machines.
References:
1. Jagadish Lal: Fluid machines Including Fluidics, Metropolitan Book Co., New Delhi, 1995.
2. Others as prescribed by the Instructor