6 ME 5-HYDRAULIC MACHINES AND HYDRO ELECTRIC POWER PLANT |
Units: I |
Review of fundamentals
Euler’s turbine equation, principles of similarity applied to hydraulic machines,
non-dimensional specific speed. Classification of turbines on the basis of non-dimensional
specific speed. Unit and specific quantities.
Impact of Free Jets
Impulse momentum principle, force exerted by the jet on stationary flat and curved plate,
hinged plate, moving plate and moving curve vanes.
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Units: II |
Impulse Turbine
Classification of turbine, impulse turbines, Pelton wheel, Construction, working. Work
done, head, efficiency and design aspects. Governing of impulse turbine. |
Units: III |
Reaction Turbine
Radial flow reaction turbine, Francis turbine: construction and working. Work done,
efficiency, design aspects.
Axial flow reaction turbine
Propeller and Kaplan turbine, bulb or tubular turbine- construction and working. Draft tube,
governing of reaction turbine.
Performance characteristics and comparison of all the turbines.
Cavitation Phenomenon in hydraulic machines
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Units: IV |
Reciprocating Pumps
Classification, component and working, single acting and double acting, discharge, work
done and power required, coefficient of discharge, indicator diagram, slip, effect of
friction and acceleration theory of air vessels.
Fluid system
Hydraulic accumulator, Hydraulic intensifier, Hydraulic Press, hydraulic crane, hydraulic
lift, hydraulic Ram, hydraulic coupling, hydraulic torque converter, air lift pump, jet
pump.
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Units: V |
Hydro Electric power station (HEPP) – Advantages and disadvantages of water
power, selection of site for HEPP, hydrological cycle, hydrographs, essential elements of
HEPP. Types of dams, conduits, spillways, surge tanks. Classification of HEPP. Major, mini
and micro power plants- present scenario in Rajasthan and India. Selection of turbine.
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