Fluid Machinery1. Unit-1
2. Unit-2
3. Unit-3
4. Unit-4
5. Unit-5
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Fluid Machinery SyllabusUNIT – I
Boundary Layer Theory Boundary layer definition and characteristics, momentum equation, Laminar and turbulent boundary Layer, Total drag, separation and control. Flow around submerge bodies Force exerted by flowing fluid on a body: Drag and lift; stream lined and bluff body, Drag on sphere and cylinder, circulation and lift on circular cylinder, lift of an air foil. UNIT – II 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, jet propulsion of ship. Impulse Turbine Classification of turbine, impulse turbine, Pelton wheel, Construction working, work done, head efficiency and Design aspects, Governing of impulse turbine. UNIT – III Reaction Turbine Radial flow reaction turbine, Francis turbine: construction, working, workdone, efficiency, design aspect, advantages & disadvantages over pelton wheel. Axial flow reaction turbine Propeller and Kaplan turbine, bulb or tubular turbine, draft tube, specific speed, unit quantities, cavitation, degree of reaction, performance characteristics, surge tanks, governing of reaction turbine. UNIT-IV Centrifugal Pumps Classification of Pumps, Centrifugal pump, Construction, working, workdone, heads, efficiencies, multistage centrifugal pump, pump in series and parallel, specific speed, characteristic, net positive suction head, cavitation. UNIT – V Reciprocating Pumps Classification, component and working, single acting and double acting, discharge, workdone and power required, coefficient of discharge, indicator diagram, 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. |