Fluid Mechanics

Fluid MechanicsChapter 2 Pressure Distribution in a Fluid2Figure 2.2

Pressure forc e on a fluid elementSurface forcesBody forcesFluid Statics

23Figure 2.4

34Table 2.1

45Figure 2.5

56Problem Figure 2.11

Given pressure at gage A as1.5 kPa find the elevation of liquid level in piezometricTube B.

7Problem Figure 2.13

HW P2.13 Find h.8Problem Figure 2.20

Find F, given oil specific weight 56 lbf/ft29Figure 2.6a

Barometer910Figure 2.10

APPLICATIONS TO MANOMETRY1011Problem Figure 2.31

HW P2.31 Find the pressure difference between A and B.For specific weights, go to Table A.3 and get densities and multiply by g.12Problem Figure 2.33

Given pressure at A 25 psi, find air pressure in chamber B.13Figure 2.11

HYDROSTATIC FORCES ON PLANE SURFACES

1314Figure 2.13

1415Example Figure 2.5a

1516Example Figure 2.5b

1617Problem Figure 2.51

HW P2.51 Compute F and the location of CP.18Problem Figure 2.55

Given h =9.5 ft.AB is 5 ft wide into paper.

Compute forced on stop BAnd reactions at A.

19Problem Figure 2.76

HW P2.76

ComputeHydrostatic forceOn panel BC,Center of pressureAnd moment about Point B.20Figure 2.17

BUOYANCY AND STABILITY2021Problem Figure 2.109

HYDROMETER

Let submerged volume be v0 when SG=1.

22Problem Figure 2.104

HW P2.104 Find the weight of the can.23Figure 2.18

2324Figure 2.19

2425Figure 2.20

NORTH ATLANTIC ICEBERG2526Problem Figure 2.128

MG is 0 for S=0.211 or 0.789

Since S=0.88, it is stable.27Figure 2.26

Bourdon-tube pressure gauge28Figure 2.29