Applied Fluid Mechanics
7th Edition
ISBN: 9780133414622
Author: UNTENER
Publisher: YUZU
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Chapter 11, Problem 11.11PP
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Two pressurized prismatic tanks A and B are connected at their sides by an orifice 140 mm in diameter. Tank A contains water at a depth of 3 m above the orifice and a pressure of 50 kPa on the water surface. Tank B also contains water at a depth of 2 m above the orifice and a pressure of 15kPa on the water surface. The coefficient of discharge is 0.86 and the coefficient of velocity is 0.92. Detemine the: show complete solution, thumbs up guaranteed
1. What is the the head lost in the orifice?
2. What is the value of power lost?
A fluid is flowing in a horizontal pipe 8 in. in diameter with a mean velocity of10 ft/s. The pressure at the center of the pipe is 5 psi, and the elevation of thepipe above the assumed datum is 15 ft. Compute the total head in feet if the fluid is (a) water, (b) oil (SG=0.8), and (c) molasses (SG=1.5).
1A venturi meter is introduced in a 300 mm diameter horizontal pipeline carrying a liquid under a pressure of 150 kPa. The throat diameter of the meter is 100 mm and the pressure at the throat is 400 mm of mercury below the atmosphere. If 3% of the differential pressure is lost between the inlet and the throat, determine the flow rate of the pipeline.
Can you draw the figure and complete solution:
Chapter 11 Solutions
Applied Fluid Mechanics
Ch. 11 - Water at 10C flows from a large reservoir at the...Ch. 11 - For the system shown in Fig. 11.14, kerosene (...Ch. 11 - Figure 11.15 shows a portion of a hydraulic...Ch. 11 - Figure 11.16 shows part of a large hydraulic...Ch. 11 - Oil is flowing at the rate of 0.015m3/s in the...Ch. 11 - For the system shown in Fig. 11.18, calculate the...Ch. 11 - A liquid refrigerant flows through the system,...Ch. 11 - Water at 100F is flowing in a 4-in Schedule 80...Ch. 11 - A hydraulic oil is flowing in a drawn steel...Ch. 11 - In a processing plant, ethylene glycol at 77F is...
Ch. 11 - Water at 15C is flowing downward in a vertical...Ch. 11 - Turpentine at 77F is flowing from A to B in a 3...Ch. 11 - ]11.13 A device designed to allow cleaning of...Ch. 11 - Kerosene at 25C is flowing in the system shown in...Ch. 11 - Water at 40C is flowing from A to B through the...Ch. 11 - Oil with a specific gravity of 0.93 and a dynamic...Ch. 11 - Determine the required size of new Schedule 80...Ch. 11 - What size of standard hydraulic copper tube from...Ch. 11 - Water at 60F is to flow by gravity between two...Ch. 11 - The tank shown in Fig. 11.24 is to be drained to a...Ch. 11 - Figure 11.25 depicts gasoline flowing from a...Ch. 11 - For the system in Fig. 11.26, compute the pressure...Ch. 11 - For the system in Fig. 11.26, compute the total...Ch. 11 - For the system in Fig. 11.26 specify the size of...Ch. 11 - A manufacturer of spray nozzles specifies that the...Ch. 11 - Specify the size of new Schedule 40 steel pipe...Ch. 11 - Refer to Fig. 11.27. Water at 80C is being pumped...Ch. 11 - For the system shown in Fig. 11.27 and analyzed in...Ch. 11 - In a water pollution control project, the polluted...Ch. 11 - Repeat Problem 11.29, but use a 3-in Schedule 40...Ch. 11 - Water at 10C is being delivered to a tank on the...Ch. 11 - If the pressure at point A in Fig. 11.29 is 300...Ch. 11 - Change the design of the system in Fig. 11.29 to...Ch. 11 - It is desired to deliver 250 gal/min of ethyl...Ch. 11 - For the system shown in Fig. 11.30, compute the...Ch. 11 - Repeat Problem 11.35, but consider the valve to be...Ch. 11 - Repeat Problem 11.35, but consider the valve to be...Ch. 11 - Figure 11.31 depicts a DN 100 Schedule 40 steel...Ch. 11 - Repeat Problem 11.38 but replace the globe valve...Ch. 11 - Repeat Problem 11.38 but use a DN 125 Schedule 40...Ch. 11 - Repeat Problem 11.38, but replace the globe valve...Ch. 11 - It is desired to drive a small,...Ch. 11 - Figure 11.32 shows a pipe delivering water to the...Ch. 11 - Repeat Problem 11.43, except consider that there...Ch. 11 - A sump pump in a commercial building sits in a...Ch. 11 - For the system designed in Problem 11.45, compute...Ch. 11 - Figure 11.33 shows a part of a chemical processing...Ch. 11 - For the system described in Problem 11.47, and...Ch. 11 - For the system described in Problem 11.47, and...Ch. 11 - For the system described in Problem 11.47, and...Ch. 11 - Analyze the system shown in Fig. 11.11 with...Ch. 11 - Create a program or a spreadsheet for analyzing...Ch. 11 - Create a program or a spreadsheet for determining...
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- A storage reservoir supplies water to a pressure turbine under a head of 20 m. If the flow rate is 500liters per second the head loss in the 300 mm pipe supplying the turbine is 2.5 m. Determine the pressure at the entrance of the turbine. If a negative pressure of 30 kPa exists at the 600 mm diametersection of the draft tube (exit tube) below the turbine 1.5 m below the supply line, estimate the energy absorbed by the turbine in kW neglecting losses between the entrance and exit of the pipe. Findalso the output of the turbine assuming an efficiency of 85%. *can you also provide its figure, Thank you.arrow_forwardA 6 in. pipe, as shown in the figure, takes water from a reservoir and terminates in a nozzle having a jet diameter of 2 in. Assuming a nozzle loss of 8 percent of the velocity head in the jet, compute the discharge (in S.I. units). Also, make a table showing the elevation head, velocity head, pressure head, and total head at each of the six stations. Lastly, draw the hydraulic gradient line (H.G.L.) & the energy gradient line (E.G.L.).arrow_forwardWater at 20 Celcius degrees is pumped from a large reservoir through a pipe system which has a diameter of 79 mm and length of 13 m. The installation of pipe system is as shown in the figure below. Considering the mass flow of the water supplied to the pipe is 5,1 kg/s and the surface roughness of the pipe is equal to the 5 micron, please compute the total pressure loss of the system in Pascal.arrow_forward
- Show complete solution and formulas used. Show the schematic diagram too. Calculate the required pipe diameter to avoid cavitation, if the pump delivers Q = 30US gallon/min water from a closed tank, where the pressure (above the water level) is p = 40kPa. The equivalent length of the smoothened concrete pipe on the suction side is 12m while the suction flange of the pump is 8m below the water level. The vapour pressure at the given water temperature is 2.8kPa. The required net positive suction head is NPSHr = 3.2m.arrow_forwardIn the figure shown, the inside diameters of the pipe at sections 1 and 2 are 250mm and 500mm, respectively. Water with a unit weight of 9.59 kN/m3 is flowing with an average velocity of 8 m/s at section 1. Find the Mass Flow Rate.arrow_forwardA venturi meter of 20 mm throat diameter is used to measure. The velocity of water in a horizontal pipe of 40 mm diameter. If the pressure difference between the pipe and the throat sections is found to be 30 KPa then, neglecting frictional losses, the flow velocity is?arrow_forward
- A storage reservoir supplies water to a pressure turbine under a head of 20 m. If the flow rate is 500 liters per second the head loss in the 300 mm pipe supplying the turbine is 2.5 m. Determine the pressure at the entrance of the turbine. If a negative pressure of 30 kPa exists at the 600 mm diameter section of the draft tube (exit tube) below the turbine 1.5 m below the supply line, estimate the energy absorbed by the turbine in kW neglecting losses between the entrance and exit of the pipe. Find also the output of the turbine assuming an efficiency of 85%arrow_forwardWater at 59 F flows through a straight section of a 6-in-ID cast-iron pipe with an average velocity of 4 fps. The pipe is 120 ft long, and there is an increase in elevation of 2 ft from the inlet of the pipe to its exit. Find the power required to produce this flow rate for the specified conditions. solve for the head loss onlyarrow_forwardA venturi meter is introduced in a 300 mm diameter horizontal pipeline carrying a liquid under a pressure of 150 kPa. The throat diameter of the meter is 100 mm and the pressure at the throat is 400 mm of mercury below atmosphere. If 3% of the differential pressure is lost between inlet and the throat, determine the flow rate of the pipeline **provide complete solution using bernoullis equation..provide illustration with labels like datum line and such** Show all formula derivationarrow_forward
- Apple juice at 20°C is siphoned from a large tank using a constant-diameter hose. The end of the siphon is 1 m below the bottom of the tank. The height of juice in the tank is 2 m. Calculate the height of the hill over which the hose may be siphoned without cavitation. Assume 2 properties of apple juice are same as water. The atmospheric pressure is 101.3 kPa. And Draw a diagram for this questionarrow_forwardAn oil of specific gravity 0.89 is flowing through a horizontal venturimeter fitted to a 242 mm diameter pipe at the rate of 108 liters/s and throat diameter is 98 mm. The entrance and throat of the venturimeter are connected in the two limbs of a U-tube mercury manometer. The difference in mercury level shows 841 mm. Calculate (i) the head difference in m of oil, (ii) the theoretical discharge in m3/s, (iii) the actual discharge in m3/s, and (iv) the coefficient of discharge of a venturimeter. If instead of a U-tube mercury manometer, the pressure gauges are inserted at the entrance and throat of venturimeter. Find (v) the pressure at the throat in N/mm2, if the entrance pressure gauge shows0.13 N/mm2.arrow_forwardThe volumetric flow of water is 665.98 liters/min. Calculate the maximum length [m] of the pipe that can be used without cavitation? (NOTE: Take the water temperature 10 °C)arrow_forward
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