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The Energy Equation
Development We apply the Law of Conservation of Energy to a control volume. To do…
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Mass Conservation – Example
Problem Water flows from point A to points D and E as shown. Some of…
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The Continuity Equation
Development Applying the Law of Conservation of Mass to a control volume, we see: Consider…
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Hydrodynamics: Basics
Introduction Hydrostatics involves only a few variables: ρ , g, and h, and so the…
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Curved Surfaces – Example
Problem Determine the resultant force and its direction on the gate shown: Solution The horizontal…
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Curved Surfaces
For curved surfaces the fluid pressure on the infinitesimal areas are not parallel and so…
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Fluid Action on Surfaces
Plane Surfaces If the plane area is symmetrical about the vertical axis OG, then 0…
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Pressure Measurement
Pressure Head Manometers A manometer (or liquid gauge) is a pressure measurement device which uses…
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Pressure Variation with Depth
Pressure in a static fluid does not change in the horizontal direction as the horizontal…
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Hydrostatics
Introduction Pressure In fluids we use the term pressure to mean: The perpendicular force exerted…