Applied Fluid Mechanics (7th Edition)
7th Edition
ISBN: 9780132558921
Author: Robert L. Mott, Joseph A. Untener
Publisher: PEARSON
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Chapter 15, Problem 15.2PP
Air with a specific weight of
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B1. A crude oil of specific gravity 0.9 is flowing through a pipe of diameter 375 mm and the
frictional head loss of 3 m of crude oil between the two ends of a pipe which are 700 m apart.
Calculate the Reynold's Number, discharge of crude oil in the pipe. Take co - efficient of friction as
0.0085 and kinematic viscosity as 10 stokes.
The velocity of flow of oil in the pipe is (m/s)
The Reynold's Number for the flow is
Discharge of crude oil through pipe (in m³/s) is
In shut off valve experiment, the 3/ 6th of valve position, the discharge is found as of 6 lit/s for the 27mm diameter pipe. Find the velocity and Reynolds number of the flow. Take the viscosity of water as 1.14x10-³Ns/m?.
A pump is used in a building to lift water from a ground floor. The pump is pushing 60l/sec of water through a 0.1m diameter to above floor which is 5m high. Calculate the velocity by which the water exits the pipe if water enters the pump at 30kPa and exists with 5kPa.
Figure 6 Water flow in a pipe
If the average velocity in the pipe is 6m/s. what will major energy loss if the dynamic viscosity of water is 8.9 x 10-4s.
Due to vibration and noise issue in a pipe the velocity of pump is decided to set at 2.5 m/s. What will new major energy?
Calculate the minor energy loss if length of the pipe is 15m. use f = 0.03, = 1, = 0.9
Analyse the relationship between frictional energy loss under different gravitational flow conditions
Chapter 15 Solutions
Applied Fluid Mechanics (7th Edition)
Ch. 15 - List six factors that affect the selection and use...Ch. 15 - Define range as it relates to flowmeters.Ch. 15 - Describe three methods for calibrating flowmeters.Ch. 15 - Prob. 4RQCh. 15 - Prob. 5RQCh. 15 - Prob. 6RQCh. 15 - Prob. 7RQCh. 15 - What is the nominal included angle of the...Ch. 15 - Why is there such a difference between the angles...Ch. 15 - Prob. 10RQ
Ch. 15 - Prob. 11RQCh. 15 - Describe an orifice meter and how it is used.Ch. 15 - Describe a flow tube and how it is used.Ch. 15 - Of the venturi, the flow nozzle, the flow tube,...Ch. 15 - Describe pressure loss as it relates to flowmetersCh. 15 - Rank the venturi, the flow nozzle, the orifice,...Ch. 15 - Prob. 17RQCh. 15 - Prob. 18RQCh. 15 - Prob. 19RQCh. 15 - Describe a magnetic flowmeter and how it is usedCh. 15 - Describe how mass flow irate can be measuredCh. 15 - Describe a pitot tube and how it is used.Ch. 15 - Prob. 23RQCh. 15 - Prob. 24RQCh. 15 - Prob. 25RQCh. 15 - Prob. 26RQCh. 15 - Describe the method used to measure the average...Ch. 15 - Prob. 28RQCh. 15 - Describe a hot-wire anemometer and how it is usedCh. 15 - Prob. 30RQCh. 15 - A venturi meter similar to the one in Fig. 15.2has...Ch. 15 - Air with a specific weight of 12.7N/m3 and a...Ch. 15 - Prob. 15.3PPCh. 15 - Prob. 15.4PPCh. 15 - Prob. 15.5PPCh. 15 - Prob. 15.6PPCh. 15 - Prob. 15.7PPCh. 15 - An orifice meter is to be used to measure the flow...Ch. 15 - A flow nozzle is to be installed in a 5-in Type K...Ch. 15 - An orifice meter is to be installed in a 12-in...Ch. 15 - A pitot-static tube is inserted into a pipe...Ch. 15 - A pitot-static tube is connected to a differential...Ch. 15 - A pitot-static tube is inserted in a pipe carrying...Ch. 15 - A pitot-static tube is inserted into a duct...Ch. 15 - A pitot-static tube is inserted into a duct...
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- Problem 5: A 300 mm x 150 mm venturimeter is provided in a vertical pipeline carrying oil of specific gravity 0.9, flowing upward. The difference in elevation of the throat section and entrance section of the venturimeter is 300 mm. The differential U – tube manometer shows a gauge deflection of 250 mm. Calculate i) The discharge of oil ii) The pressure difference between entrance and Throat section. Take : coefficient of discharge of venturimeter is 0.98 150 mm Throat 300 mm Inlet 250 mm 300 mmarrow_forward3. Calculate the Reynolds number, Re for water flow in a circular pipe. The diameter of the pipe is 50 mm, the density of water is 998 kg/m', the volumetric oil flowrate is 720 L'min, and the dynamic viscosity of water is 1.2 centipoisearrow_forwardWater is flowing at the rate of 10 Kg/min in a pipe having an inside diameter I.D. of 2.067 ft. calculate the Reynolds number and show the type of flow (dynamic viscosity =8.007 x 10+ Pa.s) , calculate the mass flux .arrow_forward
- A pump is used in a building to lift water from a ground floor. The pump is pushing 60l/sec of water through a 0.1m diameter to above floor which is 5m high If the average velocity in the pipe is 6m/s. what will major energy loss if the dynamic viscosity of water is 8.9 x 10-4s. Due to vibration and noise issue in a pipe the velocity of pump is decided to set at 2.5 m/s. What will new major energy? Calculate the minor energy loss if length of the pipe is 15m. use f = 0.03, = 1, = 0.9 Analyse the relationship between frictional energy loss under different gravitational flow conditionsarrow_forwardA pitot tube records of 7.85 kN/m² as the stagnation pressure when it is head at the centre of pipe of 250 mm diameter conveying water. The static pressure in the pipe is 40 mm of mercury (gauge-vacuum). Calculate the discharge through the pipe assuming that the mean velocity of flow is 0.8 times the maximum velocity. Take C,= 0.98arrow_forwardAir flowing through a 300 mm X 500 mm duct gives velocity pressure reading of 6 mm H2O W.G. What is the volumetric air flow rate in liters/min?arrow_forward
- You are given an orifice meter in which the diameter is at 35 mm and the orifice diameter is at 20 mm. A certain fluid is passed through in which the volumetric flow rate is measured at 0.0032 m3/sec. The fluid flows at 15.6°C having a density of 680 kg/m3 and viscosity of 3.1 x 10-4 Pa•s. Calculate the following: a. u2 in m/s b. Ahm in J/kg c. FM in J/kg d. Pressure drop across the meter in Paarrow_forwardB1. A water with viscosity 11.4x10-3 poise is flowing through a pipe of diameter 300 mm at the rate of 500 litres per sec. Find the Reynold's Number & the head lost due to friction in the pipe of length 1 km. (Enter only the values by referring the unit given. Also upload the hand written answers in the link provided) The velocity of flow of water (in m/s) is The value of Reynold's Number is The frictional loss in the pipe (in m) isarrow_forwardB1. A crude oil of specific gravity 0.75 is flowing through a pipe of diameter 325 mm and the frictional head loss of 5.5 m of crude oil between the two ends of a pipe which are 675 m apart. Calculate the Reynold's Number, discharge of crude oil in the pipe. Take co - efficient of friction as 0.0075 and kinematic viscosity as 10 stokes. (Enter only the values by referring the unit given. Also upload the hand written answers in the link provided) The velocity of flow of oil in the pipe is (m/s) The Reynold's Number for the flow is Discharge of crude oil through pipe (in m3/s) isarrow_forward
- please draw a diagram, thanks Water at 4.4oC with a density of 1000 kg/ m3 and a viscosity of 1.55 cP is to flow through a horizontal commercial steel pipe having a length of 305 m at the rate of 150 gal/min. A head of water of 6.1 m is available to overcome the friction loss due to skin. Calculate the pipe diameter.arrow_forwardQUESTION 4 Calculate the head loss and the pressure drop due to fluid friction when water, with a density of 62.4 lbm /ft3 and a viscosity of 1 centipoise, flows through a 20 foot length of 4 inch steel pipe at a velocity of 6 ft/sec. The relative roughness of the pipe is 5 x 104. The inside diameter of a 4 inch pipe is 4.026 inches and it's viscosity is 1 centipoise = 6.72 x 104 lbm/ft sec.arrow_forwardwater flows through 30 mm internal diameter pipe at atmospheric pressure. pitot tube measures the velocity of water at the center of pipe as shown in the fig. the pressure difference between the impact tube and the static tube is 20cm of carbon tetrachloride (density: 1600 kg/m³). calculate the volumetric flow rate through the pipe in cubic meter per hour. velocity of water is cp.arrow_forward
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