28. The water behind Grand Coulee Dam is 1 200 m wide and 150 m deep. Find the hydrostatic force on the back of the dam. (Hint: the total force = average pressure × area) a. 5.2 × 109 N b. 8.8 × 1010 N c. 13.2 × 1010 N d. 18.0 × 1010 N

Water discharges from a horizontal, cylindrical pipe at the rate of 5.00x10^-3 m^3/s. At a point in the pipe where the cross-section is 1.000x10^-3 m^2, the absolute pressure is 1.60x10^5 Pa. What is the pipe radius at a constriction if the pressure there

FLOW IN PIPES Fluid flow in circular and noncircular pipes is commonly encountered in practice. The hot and cold water that we use in our homes is pumped through pipes. Water in a city is distributed by extensive piping net-works. Oil and natural gas are

6 CHAPTER 2. FLUID PROPERTIES Problem 2.2 Find the density, kinematic and dynamic viscosity of crude oil in traditional units at 100oF. Solution From Fig. A.3, ν=6.5×10−5 ft2/s and S=0.86. The density of water at standard condition is 1.94 slugs/ft3,so the density of

2011/12/4· Water ﬂows at speed of 4.2 m/s through a horizontal pipe of diameter 3.4 cm . The gauge pressure P1 of the water in the pipe is 1.5 atm. A short segment of the pipe is constricted to a smaller diameter of 2.4 cm. What is the gauge pressure of the water ﬂowing

Illustrative Example. Water flows out of a horizontal pipe at the steady rate of 2 ft 3 /min. Determine the velocity of the water at a point where the diameter of the pipe is I in. The area A of the I-in.portion of the pipe is A = 1r X 1 ft2 = 0.0055 ft2. 4 X 144 When we Q

Problem 7.45 A pump draws water through a 20-cm suction pipe and discharges it through a 10-cm pipe in which the velocity is 3 m/s. The 10-cm pipe discharges horizontally into air at point C. To what height h above the water surface at A can the water be raised if

2010/10/25· Pressure In a Horizontal Pipe - Please Help! Homework Statement The pressure in a section of horizontal pipe with a diameter of 2.40 cm is 143 kPa. Water flows through the pipe at 2.90 L/s. If the pressure at a certain point is to be reduced to 101 kPa by

Waterflows with a discharge rate of 2 ft3s from the t To be able to use the equation for relative acceleration One of the primary reasons for starting a CIM study in

Example 3.2 A horizontal nozzle (Figure 3.4) discharges 0.01 m 3 /sec of water at 4 C into the air. The supply pipe''s diameter (dA = 40 mm) is twice as large as the nozzle diameter (dB = 20 mm). The nozzle is held in place by a hinge mechanism.

every t 20 min , the required volume flow rate of air is 0.60 m3/s 60 s 1 min 20 min 720 m3 room t V V For the given fan diameter, the average discharge speed is determined to be 3.06 m/s (0.5 m) /4 0.60 m …

A vertical, 0.1 -m-diameter pipe is connected to the top of the tank. The tank and the pipe are filled with ethyl alcohol to a level of $1.5 \mathrm{m}$ above the top of the tank. Determine the resultant force of the alcohol on one end of the tank and show where it acts.

Example No. 3 - 3 Consider a piping system as shown. Velocity of water entering the pipe AB is 4.5 m/s and velocity of water leaving pipe CD is 1.5 m/s. Determine the velocity of flow in pipes BC and CE, and the total discharge. 11.

EXAMPLE 2 A 10-cm fire hose with a 3-cm nozzle discharges 1.5m3/min to the atmosphere. Assuming frictionless flow, find the force FB exerted by the flange bolts to hold the nozzle on the hose. Water 1000kg/m3 pa=0 2 1 D2=3cm D1=10cm p1 x p1 ? p2 ? 1 ?

2012/5/7· 1 v 1 = (A p)(100 mm) 0.1682 m3 /kg = (0.00785 m2)(0.1 m) 0.1682 m3 = 0.000785 m3 3/kg =0.00467 kg Since the cylinder is closed, the mass of the carbon dioxide does not change, but the volume does, so we will assume the piston is at the stops and V 2 =0.

1.277) A pipeline 60 cm in diameter bifures at a Y-junction into two branches 40 cm and 30 cm in diameter. If the rate of flow in the main pipe is 1.5 m3/s, and the mean velocity of flow in the 30 cm pipe is 7.5 m/s, determine the rate of flow in the 40 cm pipe.

2014/4/7· Tutorial 7 Fluid Dynamics 1. Oil with sp gr 0.75 is flowing through a 15cm diameter pipe under a pressure of 105KN/m2.If the total energy relative to a datum plane 2.5m below the center of the pipe is 18m, determine the flow rate of oil. Solution: Pressure (P) = 105

Find hL using (a) the Moody diagram and (b) the Colebrook eqn.(use the mood chart in above notes) a) B) Colebrook equation 22 2 1.5 m/s 0.115 m 2 2 9.8 m/s V g 2 3 500 kPa 1000 N/m kPa 51.0 m 9800 N/m p 1 2.71 2log 3.7 Re

“In a water flowing pipeline, if the diameter of a pipe is reduced, the pressure in the line will increase. Bernoulli''s theorem says that there should be a reduction in pressure when the area is reduced. What is the justifiion for this?” Where

1 in the pipe, and discharges it through a 75 mm nozzle at C, 30 m above the pump, at the end of a 100 mm diameter delivery pipe in which there is a loss of energy per unit weight h2 = 12V2 2/2g. Calculate, a) The velocity of the jet issuing from the nozzle at 3

3.1 Basic Physical Laws of Fluid Mechanics Motivation. In analyzing fluid motion, we might take one of two paths: (1) seeking to describe the detailed flow pattern at every point (x, y, z) in the field or (2) workingwith a finite region, making a balance of flow in versus

3.76 A two-dimensional sheet of water, 10 cm thick and moving at 7 m/s, strikes a fixed wall inclined at 20 with respect to the jet direction. Assuming frictionless flow, find (a) the normal force on the wall per meter of depth, and the widths of the sheet deflected

46. A tank on wheels contains water (ρ = 1000 kg / m 3) and is held in place by a cable as shown below.A pump mounted on top of the tank draws water from the tank and discharges the water through a horizontal, 1 cm diameter nozzle at a mass ﬂow rate of 5 kg / s.s.

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Hence m water = ρυ = (1.940753)(5 ft 3 ) ≈ 9.704 slug The density change is extremely small. Now the work done, as in Prob. 1.29 above, is 2 2 1 1

values for the system at a flow of 2500 m 3 /hr can now be calculated using equation (2): 8 . 9 1 . 49 10 . 39 max = + = Total H m 5 . 3 1 . 49 6 . 79 min = + = Total H m Hence we can conclude that in order to pump 2500 m 3 /hr at the bottom level in

Water flows steadily through the horizontal piping system shown in Fig. P5.3. The velocity is uniform at section (1), the mass flowrate is 10 slugs/s at section $(2),$ and the velocity is nonuniform at section $(3) .(a)$ Determine the value of he quantity $\frac{D}{D t

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