Applied Fluid Mechanics (7th Edition)
7th Edition
ISBN: 9780132558921
Author: Robert L. Mott, Joseph A. Untener
Publisher: PEARSON
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Chapter 10, Problem 10.72PP
Use PIPE-FLO to calculate the head loss and pressure drop in a length of pipe that includes a filter. The pipe is a horizontal
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As seen in Figure 3 below, the water from the tank 1 is pumped to the tank 2 with a flow rate of 5,664 liters/s, passing through a pipe with a diameter of 50.8 mm and a length of 121.92 m. Some of the local losses in the system are also shown on the figure. Calculate the effective power of the pump by taking the relative roughness ɛ / d = 0.001
Note: For all questions, pwater = 1000 kg/m³, g=9.81m/s^2 , the kinematic viscosity of water is 1.0219x106 m²/s and the questions can be solved by accepting the values that are not given.
QUESTION 4
A vertical pipe is shown in figure 1 below. The pipe tapers from 50 mm in
diameter to 25 mm in diameter. If 2 liters of water per minute flow upwards
through the pipe the pressure difference across the pipe is 35 kPa. Calculate
the flow downwards through the pipe if the pressure across the pipe is to be
K(v3-ví) where v, and v2
zero. The losses across the pipe are given by h1
2g
are the velocities in the 50 mm and 25 mm sections respectively.
50 mm
1.5 m
25 mm
Figure 1
Water flows to a galvanized iron pipe at a rate of 3 ft3/s. If the pressure loss is 5ft per 1000 ft of flow, determine the
size of the pipe
friction factor (Moody’s Diagram)
velocity of the water flow
Nominal pipe size
Chapter 10 Solutions
Applied Fluid Mechanics (7th Edition)
Ch. 10 - Determine the energy loss due to a sudden...Ch. 10 - Determine the energy loss due to a sudden...Ch. 10 - Determine the energy loss due to a sudden...Ch. 10 - Determine the pressure difference between two...Ch. 10 - Determine the pressure difference for the...Ch. 10 - Determine the energy loss due to a gradual...Ch. 10 - Determine the energy loss for the conditions in...Ch. 10 - Compute the energy loss for gradual enlargements...Ch. 10 - Plot a graph of energy loss versus cone angle for...Ch. 10 - For the data in Problem 10.8, compute the length...
Ch. 10 - Add the energy loss due to friction from Problem...Ch. 10 - Another term for an enlargement is a diffuser. A...Ch. 10 - Compute the resulting pressure after a "real"...Ch. 10 - Compute the resulting pressure after a "real"...Ch. 10 - Determine the energy loss when 0.04m3/s of water...Ch. 10 - Determine the energy loss when 1.50ft3/s of water...Ch. 10 - Determine the energy loss when oil with a specific...Ch. 10 - For the conditions in Problem 10.17, if the...Ch. 10 - True or false: For a sudden contraction with a...Ch. 10 - Determine the energy loss for a sudden contraction...Ch. 10 - Determine the energy loss for a gradual...Ch. 10 - Determine the energy lass for a sudden contraction...Ch. 10 - Determine the energy loss for a gradual...Ch. 10 - For the data in Problem 10.22, compute the energy...Ch. 10 - For each contraction described in Problems 10.22...Ch. 10 - Note in Figs. 10.10 and 10.11 that the minimum...Ch. 10 - If the contraction from a 6-in to a 3-in ductile...Ch. 10 - Compute the energy loss that would occur as 50...Ch. 10 - Determine the energy loss that will occur if water...Ch. 10 - Determine the equivalent length in meters of pipe...Ch. 10 - Repeat Problem 10.30 for a fully open gate valve.Ch. 10 - Calculate the resistance coefficient K for a...Ch. 10 - Calculate the pressure difference across a fully...Ch. 10 - Determine the pressure drop across a 90 C standard...Ch. 10 - Prob. 10.35PPCh. 10 - Repeat Problem 10.34 for a long radius elbow....Ch. 10 - A simple heat exchanger is made by installing a...Ch. 10 - A proposed alternate form for the heat exchanger...Ch. 10 - A piping system for a pump contains a tee, as...Ch. 10 - A piping system for supplying heavy fuel oil at 25...Ch. 10 - A 25 mm ODx2.0 mm wall copper tube supplies hot...Ch. 10 - Specify the radius in mm to the centerline of a 90...Ch. 10 - The inlet and the outlet shown in Fig. 10.36 are...Ch. 10 - Compare the energy losses for the two proposals...Ch. 10 - Determine the energy loss that occurs as 40 L/min...Ch. 10 - Figure 10.38 shows a test setup for determining...Ch. 10 - Compute the energy loss in a 90 bend in a steel...Ch. 10 - Compute the energy loss in a 90 bend in a steel...Ch. 10 - For the data in Problem 10.47, compute the...Ch. 10 - For the data in Problem 10.48, compute the...Ch. 10 - A tube similar to that in Problem 10.47 is being...Ch. 10 - Prob. 10.52PPCh. 10 - Prob. 10.53PPCh. 10 - Prob. 10.54PPCh. 10 - Prob. 10.55PPCh. 10 - Repeat Problem 10.55 for flow rates of 7.5 gal/min...Ch. 10 - Prob. 10.57PPCh. 10 - Prob. 10.58PPCh. 10 - Prob. 10.59PPCh. 10 - Prob. 10.60PPCh. 10 - A 34 plastic ball valve carries 15 gal/min of...Ch. 10 - A 114 plastic butterfly valve carries 60 gal/min...Ch. 10 - A 3 -in plastic butterfly valve carries 300...Ch. 10 - A 10-in plastic butterfly valve carries 5000...Ch. 10 - A 1 12 plastic diaphragm valve carries 60 gal/min...Ch. 10 - Prob. 10.66PPCh. 10 - Prob. 10.67PPCh. 10 - Prob. 10.68PPCh. 10 - Prob. 10.69PPCh. 10 - An 8 -in plastic swing check valve carries 3500...Ch. 10 - Use PIPE-FLO software to determine the pressure...Ch. 10 - Use PIPE-FLO to calculate the head loss and...
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- Which of the following equations below describes the system head of the piping shown below. The total length of the pipe is 154 ft. Take the friction factor to be 0.026. The pipe used has a nominal diameter of 4 inches and Schedule No. 40. The system head H is in ft and the flow rate Q is in ft^3/s. Hint: You need to use the Tioga table and K value for minor losses. Z₂ = 107 ft Reservoir B 90° regular screwed elbow Pump Z₁ = 53 ft Reservoir A A) H=51+25.98(Q^2) B) H=54+24.98(Q^2) ⒸH=54+25.98(Q^2) ⠀arrow_forwardBased on the layout of the water supply system, as show in Figure 1, the pressure, in psi, is estimated be 46 at the faucet in the and floor of the residential building. Consider flow through the delivery pipe, Q = 1.50 cfs and diameter of the pipe, D = 2.65 inch with e = 0.015 inch. Ingore the minor pressure losses and use the following formulae to calculate the major pressure losses. The additional power in hp required to provide the recommended pressure of 58 psi at the building is nearly. Assume f = 0.0175. Use g = 62.4 lb/f3 for water. Water temperature is 20°C (68°F).arrow_forwardShow all problem solution's steps. Direct formula substitution solutions will have NO CREDIT POINTS. 1.A 50 mm Venturi meter (C = 0.96) is installed in a 100 mm diameter horizontal pipe carrying oil having a specific gravity of 0.82. If the recorded actual flow in the Venturi meter was 15 liters per second, what could have been the deflection of water in the differential manometer connected between the inlet and the throat? Determine the headloss in the Venturi meter. A 75 mm diameter fire hose discharges water through a nozzle having a jet diameter of 25 mm. The lost head in the nozzle is 25% of the velocity head in the jet. If the pressure at the base of the nozzle is 625 KPa: compute the discharge in m3/min; the maximum horizontal range to which the stream can be thrown; the maximum vertical reach, and the diameter of the jet at a point two-third of the maximum vertical reach from the tip of the nozzle. Neglect air resistance.arrow_forward
- For the system shown below, what is the compartment air pressure required to attain 1.2 litre of oil (specific gravity of 0.8) to flow through the 12 mm diameter pipe per a second? Take the head loss from the oil surface in the compartment to the end the pipe is 6.25m. Air pressure Oil 3.3m 2.54arrow_forwardWater is flowing inside a pipe with a constant cross section. Calculate the total head loss. The elevation between suction and discharge is 100 ft. 30 psig B 100 O 90 psig Select the correct response(s): 12.3 ft 26.75 ft 44 46 ft 38.5 ftarrow_forwardIn the system given below, the water taken from the A chamber is transmitted to the D chamber with the help of the pump at the C point. The power of the pump at the C point, the local loss coefficient due to the valve at the B point and other data are given in the table. How many meters (m) is the elevation difference between these two reservoirs? Hopper-Pipe connections are sharp (90⁰ junction). Note: The Colebrook-White equation will be used in the solution. Kinematic viscosity value will be taken as 1.13x10-6 m2 / s. please fast helparrow_forward
- Calculate the Flow Rate of water at 5°C through the system below. Q = Flow 3.4 m 700 kPa 30 mm diameter DN 65 mm Schedule 40 Pipearrow_forwardEach of the two circular pipes carries water at 65 °C flows at a Reynolds Number of 3.8× 10^4. Compute the total flow rate of water. If benzene (s.g.=0.8) is flowing around the two pipes at 25 °C with the same Reynolds number, what would be the flow rate of benzene?arrow_forwardA 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_forward
- 8. A pumped fluid distribution system is being designed to deliver 400 gal/min of water to a cooling system in a power generation plant. Use the figure below to make an initial selection of Schedule 40 pipe sizes for the suction and discharge lines for the system. Also, solve for the actual average velocity of flow for each pipe. DN (mm) NPS (in) 250 200 150 - 125 - Suction lines 100 - 90 - 3 65 - 2 50 Discharge lines 40 32E 25 E 15 20 200 400 600 800 1000 2000 4000 6000 8000 10000 10 100 Volume Flow Rate, Q (gal/min) 6 8 10 ++++ 15 20 25 30 40 +++++++++ ++++++++++++ 60 80 100 150 200 300 400 500600 800 1000 1200 2000 Volume Flow Rate, Q (m/h)arrow_forwardFOR THE PIPE NETWORKS SHOWN, THE FLOW OF WATER FROM A TO THE FIRST JUNCTION IS 2 CUBIC FEET PER SECOND. ASSUMIN ALL PIPES HAVE A FRICTION FACTOR OF 0.020 A. DETERMINE THE HEAD LOSS IN FEET IN PIPE 1(ROUND OFF FINAL ANSWER TO TWO DECIMAL PLACES) B. B. DETERMINE THE HEAD LOSS IN PIPE 5 ROUND OFF FINAL ANSWER TO TWO DECIMAL PLACES)arrow_forward1. What is the likelihood that a flow with an average velocity of 0.15 f t/s in a 6 in. water pipe is laminar? Find the speed at which the flow will always be laminar. 2. If the critical Reynolds number for a river is 2000 based on average velocity and depth, what is the maximum speed for laminar flow in a river 10 f t deep? 2 f t deep? Do you expect any river flow to be laminar?.arrow_forward
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