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ONLINE FLUID MECHANICS, Professor D. Naylor
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Chapter 2 Videos: Fluid Statics


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Part 1: Fluid Statics (36 min.)
This video covers: (i) the derivation of the pressure distribution in incompressible and compressible fluids, (ii) a discussion of absolute and gauge pressures, and (ii) the measurement of pressure with a Bourdon tube gauge.
YouTube Video

Chapter 2, Part 1 (pdf)
File Size: 3408 kb
File Type: pdf
Download File


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Part 2: Fluid Statics (20 min.)
The measurement of pressure using piezometers, U-tube manometers and inclined manometers.
YouTube Video

Chapter 2, Part 2 (pdf)
File Size: 2165 kb
File Type: pdf
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Solved Example Problem: Complex Manometer (9 min.) 
Full worked solution to a complex manometer example, including an air gap. 
YouTube Video​​

Complex Manometer Solved Example (pdf)
File Size: 102 kb
File Type: pdf
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Part 3: Fluid Statics (32 min.)
Hydrostatic Forces on Plane Surfaces. A derivation of the main equations and the solution of a simple numerical example for the vertical rectangular gate.
YouTube Video

Chapter 2, Part 3 (pdf)
File Size: 3375 kb
File Type: pdf
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Solved Example Problem: Hydrostatic Force on a Plane Gate (11:46)
Solution to a past midterm exam problem.
YouTube Video

Solved Midterm Problem, Plane Gate (pdf)
File Size: 2092 kb
File Type: pdf
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Solved Example Problem: Hydrostatic Force on a Semi-circular Gate (15:03)
Full solution to the hydrostatic force on a plane gate. This is an exam-caliber problem.
YouTube Video

Solved Problem, Semi-circular Plate Gate (pdf)
File Size: 249 kb
File Type: pdf
Download File


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Part 4: Fluid Statics (27 min.)
The calculation of hydrostatic forces on curved surfaces.
YouTube Video

Chapter 2, Part 4 Hydrostatic Forces on Curved Surfaces (pdf)
File Size: 2501 kb
File Type: pdf
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Solved Example: Hydrostatic Forced on a Curved Gate (13:20)
Calculation of the hydrostatic force on a quarter-circular curved gate, including the line of action. 
YouTube Video

Solved Example, Curved Gate (pdf)
File Size: 183 kb
File Type: pdf
Download File


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Part 5: Fluid Statics (21 min.)
This video covers the calculation buoyancy forces and the stability of floating objects.
YouTube Video 

Chapter 2, Part 5 Buoyancy (pdf)
File Size: 2233 kb
File Type: pdf
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Demonstration: The Stability of Floating Objects (3 min.)
A physical demonstration of the stability of a model boat and the concept of metacenter.
YouTube Video


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​Solved Example Problem: Buoyancy (7 min.)
Calculation of the buoyancy force on a floating wood beam.
YouTube Video

Solved Buoyancy Problem (pdf)
File Size: 497 kb
File Type: pdf
Download File


Optional Chapter 2 Videos

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​Objects Seem to Weigh More in a Vacuum! (5 min.)
This is optional supplemental viewing, but you may find it helpful. This is a great demonstration (by The Action Lab) that objects seem to weigh more in a vacuum due to the reduced buoyancy force.  In fact, the measurement of the true weight with a scale requires a perfect vacuum.  I discussed this effect in my video on buoyancy: Chapter 2, Part 5.  So, you need to be careful to correct for the effect of buoyancy when weighing low density materials (e.g. Styrofoam) on a scale.  ​
YouTube Video


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The Role of Surface Tension in Floating (7 min.)
This is optional supplemental viewing.  In MEC/BME516 we will always neglect the role of surface tension in floating. But for small objects, surface tension can be important, as this video demonstrates. I thought you might find this interesting. This is more advanced material and is NOT part of the primary course material.
YouTube Video

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