Handbook of Civil Engineering Calculations

SECTION 6 FLUID MECHANICS, PUMPS, PIPING, AND HYDRO POWER Part 1 Fluid Mechanics HYDROSTATICS Buoyancy and Flotation Hydrostatic ...

Part 2 Pump Operating Modes, Affinity Laws, Speed and Head Series Pump Installation Analysis Parallel Pumping Economics Similari ...

so that 2 ft (60.96 cm) of the member will be above the surface? Use these specific weights: timber = 38 lb/ft^3 (5969 N/m^3 ); ...

FIGURE 1. Hydrostatic thrust on plane FIGURE 2. Pressure prism, surface. P = wyc*A (3) ZPC= ^T- +ZCA (4) AZCA Compute the requi ...

HYDROSTATIC FORCE ON A CURVED SURFACE The cylinder in Fig. 3a rests on an inclined plane and is immersed in liquid up to its top ...

liquid above GCB - weight of real liquid above GA = weight of imaginary liquid in cylin- drical sector AOBG and in prismoid, AOB ...

wedge of emersion (or immersion). Then "-^- The displacement volume and the draft when the boat is upright are W = 182 (2240) = ...

[L = dynamic (or absolute) viscosity; v = kinematic viscosity = ju/p; r = shearing stress. The units used for each symbol are gi ...

FIGURE 6 Figure 6b shows a cross section of the oil film, the shaded portion being an elemen- tal surface. Let m = thickness of ...

Compute the velocity at each section Applying Eq. 8 gives F 1 = 10/0.785 = 12.7 ft/s (387.10 cm/s); F 2 = 10/0.349'= 28.7 ft/s ...

Compute Q by applying Eq. 14b Thus, (A 2 IA 1 )^2 = (D 2 ID 1 )^4 =^1 Xi 6 ; A 2 = 0.0491 ft^2 (0.00456 m^2 ); and Q = 0.97(0.0 ...

Evaluate V 3 by applying Eq. 9; then determine Q Thus, V\l(2g) +pjw = Vll(2g) + P3lw + Z 3 + ( 1 Xi 5 )F 2 V^g) + ( 1 Xi 0 )F 3 ...

where b = length of crest and h = head on weir, i.e., the difference between the elevation of the crest and that of the water su ...

To identify the type of flow, compute NR. Thus, D = 8 in (203.2 mm); L = 220 ft (6705.6 cm); v = 0.002 ft^2 /s (1.858 cm^2 /s); ...

Diameter of circular, or side of square, pipe FIGURE 8. Flow of water in pipes. (From E, W. Schoder and F. M. Dawson, Hydraulics ...

DETERMINATION OF FLOW IN A PIPE Two reservoirs are connected by a 7000-ft (2133.6-m) fairly smooth cast-iron pipe 10 in (254.0 m ...

LOSS OF HEAD CAUSED BY SUDDEN ENLARGEMENT OF PIPE Water flows through a pipe at 4 ft 3 /s (113.249 L/s). Compute the loss of hea ...

DISCHARGE OFLOOPING PIPES A pipe carrying 12.5 ft 3 /s (353.90 L/s) of water branches into three pipes of the following diameter ...

FIGURE 9. Branching pipes. 38.7(0.833)^264 (70/8000)^0513 = 2.10 ft^3 /s (59.455 L/s). Similarly, Q 2 = 1.12 ft^3 /s (31.710 L/s ...

tical; the roughness coefficient is 0.014. Compute the required depth of the canal, to the nearest tenth of a foot. Calculation ...