Mechanics of Fluids 3 min read
Hydrodynamics: Flow in Pipes
The real behaviour of fluids flowing is well described by an experiment carried out by Reynolds in 1883. He set…
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Mechanics of Fluids 1 min read
Accounting for Energy Losses
Consider the following reservoir and pipe system:.
Mechanics of Fluids 1 min read
Velocity and Momentum Factors
The velocity and momentum terms in the energy and momentum equations (and in any resultant developments) have assumed uniform flow…
Mechanics of Fluids 1 min read
Discharge Measurement in Pipelines
We consider two kinds of meters based on constricting the flow: the Venturi meter and the Orifice meter, as shown.…
Mechanics of Fluids 1 min read
Modifications to the Basic Equations
Flow Measurement – Small Orifices Consider the following tank discharge through a small opening below its surface: Flow Measurement –…
Mechanics of Fluids 1 min read
The Momentum Equation
Development We consider again a general stream tube: Application – Fluid Striking a Flat Surface Consider the jet of fluid…
Mechanics of Fluids 1 min read
Energy Equation – Example
Problem For the siphon shown, determine the discharge and pressure heads at A and B given that the pipe diameter…
Mechanics of Fluids 1 min read
The Energy Equation
Development We apply the Law of Conservation of Energy to a control volume. To do so, we must identify the…
Mechanics of Fluids 1 min read
Mass Conservation – Example
Problem Water flows from point A to points D and E as shown. Some of the flow parameters are known,…
Mechanics of Fluids 1 min read
The Continuity Equation
Development Applying the Law of Conservation of Mass to a control volume, we see: Consider a small length of streamtube: A…
Mechanics of Fluids 3 min read
Hydrodynamics: Basics
Introduction Hydrostatics involves only a few variables: ρ , g, and h, and so the equations developed are relatively simple…
Mechanics of Fluids 1 min read
Curved Surfaces – Example
Problem Determine the resultant force and its direction on the gate shown: Solution The horizontal force, per metre run of…