19.3.1 - Considering Gauge Pressure
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Practice Questions
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What is gauge pressure?
💡 Hint: Think about how you measure pressure in everyday items.
List two components of the stress tensor.
💡 Hint: Consider the forces acting on fluid surfaces.
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Interactive Quizzes
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What is the primary consideration when defining gauge pressure?
💡 Hint: Think about how you would measure pressure around us.
True or False: Shear stress occurs perpendicular to the surface.
💡 Hint: Consider how forces act on a surface.
1 more question available
Challenge Problems
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Given a fluid with a known shear stress and pressure gradient, derive the total stress tensor in a control volume.
💡 Hint: Focus on combining the shear and normal stress equations into a tensor format.
In a hydraulic system operating at varying atmospheric pressures, discuss how control volumes would be defined to isolate the internal fluid pressures.
💡 Hint: Consider how changes in external conditions demand adjustments in the definitions of your control volume.
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