CE 230Engineering Fluid Mechanics

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CE 230-Engineering Fluid Mechanics

• Lecture 6
• Basics of Fluid Statics

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What can we say about the pressure at a point in
a static fluid?

• Consider equilibrium of the shown element

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Conclusion

• Only normal forces exist in static fluid
• Pressure at a point in a static fluid is
  independent of direction

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Pressure variation in a static fluid
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Relation between gage and absolute pressure
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Pressure transmission and hydraulic lift
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Example 3.1 What load F2 can the hydraulic jack
support if one exerts a force F 100 N? Neglect
weights.