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Fluid Machinery
Classification of Hydraulic Machines
Turbine
Pump
Mass flow rate responsible for force
Impact of Jet
Jet strikes normally
Jet strikes on Inclined plane
Curved plate
Tangential flow
For series of plate or runner
Impact of Jet on a series of vanes
Concept of relative variation
Radial flow runners
Inward flow runners
Torque
Outward flow runners
Turbines
Purpose of Hydro- Electric power plant
High head and low Discharge
Medium Head and Medium Discharge
Essential component of hydroelectric power plant
Different types of Efficiencies
Volumetric Efficiency
Hydraulic Efficiency
Mechanical efficiency
Overall Efficiency
Generator Efficiency
Turbine
Impulse turbine
Main Components
Nozzle
Runner
Shape of Blade
Number of Blades
Width of Blades
Depth of Blades
Casing
Breaking jet
Efficiency of pelton turbine
Impulse- Reaction turbine
Components
Degree of Reaction
Francis turbine
Axial flow Reaction turbine
Difference b/w Francis and Kaplan Turbine
Draft Tube
Efficiency of Draft Tube
Specific Speed
Unit Quantities
Unit Speed
Unit Discharge
Unit Power
Performance Characteristics curve
Main characteristics curve
Iso efficiency curve or Muschel curve
Operating Characteristics curve
Model – Prototype Testing
Classification of Turbines
Centrifugal Pump
Main components
Extra Arrangements
Different types of casing
Different types of Head
Different types of efficiencies
Minimum starting speed of centrifugal pump
Multi staging in centrifugal pump
Specific speed
Net positive suction Head
Cavitation
Zones Affected by cavitation
Methods to prevent cavitation
Priming of centrifugal pump
Pressure rise on Impellor Blades
Effect of outlet vane Angle
Performance characteristics curve
Main characteristics curve
Operating characteristics curve
Reciprocating pump
Power consumed
Double Acting Reciprocating pump
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