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CE-604 (A) Fluid Mech. – II Notes

5 notes for Fluid Mech. – II, unit by unit.

Unit 1 · Short notes Turbulent flow Laminar and turbulent boundary layers and laminar sublayer · Hydrodynamically smooth and rough boundaries · Velocity distribution in turbulent flow · Resistance of smooth and artificially roughened pipes, commercial pipes, aging of pipes · Losses due to sudden expansion and contraction in pipe flow · Losses in pipe fittings and valves
Unit 2 · Short notes Uniform flow in open channels Channel geometry and elements of channel section · Velocity distribution in open channels · Energy in open channel flow and specific energy · Types of flow; critical flow and its computation · Uniform flow computation · Chezy’s formula
Unit 3 · Short notes Non‑uniform flow in open channels Assumptions and dynamic equations of gradually varied flow · Characteristic analysis and computation of flow profiles · Rapidly varied flow: hydraulic jump in rectangular channels and its basic characteristics · Surges in open channels and channel flow routing · Venturi flume
Unit 4 · Short notes Forces on immersed bodies Types of drag · Drag on a sphere · Drag on a flat plate · Drag on a cylinder · Drag on an aerofoil and development of lift · Lifting vanes
Unit 5 · Short notes Fluid machines Classifications and definitions of turbines · Similarity laws and specific speed of turbines · Pelton turbine – construction, settings, speed regulation, dimensions, jet action, torque, power, efficiency and characteristic curves · Reaction turbines – construction, draft‑tube theory, runaway speed, design basics, characteristic curves and cavitation · Centrifugal pumps – types, components, manometric head, total head, net positive suction head, specific speed, shut‑off head, energy losses, cavitation, working principle and characteristic curves · Reciprocating pumps – working principle, coefficient of discharge, slip, single‑acting and double‑acting types, manometric head and acceleration head

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