ES 202 Fluid and Thermal Systems Lecture 4: Pressure Distributions on Submerged Surface (12/09/2002). Assignments. Reading: Mechanics: definition of center of mass, moment of inertia Cengel & Turner Section 5-4 ES 201 notes Homework: 10-11, 10-19, 10-37 in Cengel & Turner.
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ES 202Fluid and Thermal SystemsLecture 4:Pressure Distributions on Submerged Surface(12/09/2002)
yp = yc + Ixx,c / yc Awhere yc is the location of centroid and
Ixx,c / yc Ais the downward shift of center of pressure relative to centroid
When a fluid is in static equilibrium,
the hydrostatic pressure increases/decreases____________ with depth;
the pressure gradient (rate of change) depends on the ____________ of the fluid.
Something about manometer:
A manometer is a device which measure small pressure difference based on the difference in ____________ between fluid columns
For a given pressure difference, the difference in height between the fluid columns will be greater if a fluid of lower/higher density is used.
The pressure equation:
P2 = P1 +/- r g h
describes the pressure variation in a manometer. The minus (-) sign is used when Point 2 lies above/below Point 1 and vice versa.
Vertically Submerged Surface
Obliquely Submerged Surface
If one of the sides of the fish tank is slightly sloped at 30o, how will the followings be different?
If the slope is replaced by a
What do you expect the results to be?