1. Elementary Mechanics of Fluids
CE 319 F
Daene McKinney
Elementary Mechanics of Fluids
Manometry

2. Manometry
Pressure can be estimated by measuring fluid elevation

3. U-tube Manometer

4. Find the location of the surface in the manometer
Example (3.19)
Find the location of the surface in the manometer
The distance Dh is the height of the liquid in the manomoter above the heavier liquid in the tank. A B C D

5. Differential Manometer

6. HW (3.20)

7. Find: the gage pressure at the pipe center
Example (3.25)
Find: the gage pressure at the pipe center
Manometer equation from the pipe center to the open end of the manometer

8. HW (3.28)

9. HW (3.32)

10. Example (3.35) Find: Specific weight of fluid Solution: Solution:
2 cm3 l A B C D
Manometer Equation

11. HW (3.51)