Applied Fluid Mechanics
7th Edition
ISBN: 9780133414622
Author: UNTENER
Publisher: YUZU
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Chapter 15, Problem 15.14PP
A pitot-static tube is inserted into a duct carrying air at standard atmospheric pressure and a temperature of
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Question 7. Since the velocity of the fluid passing through the 4 mm diameter pneumatic pipe in the pneumatic system is 200 cm/s;
a) What is the flow rate of the compressed air in lt/min?
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A venturimeter of 0.5 contraction ratio has been fixed in a 100 mm diameter horizontal pipe.The head of water on the metre when there is no flow is 3 m . Calculate the rate of flow for which the throat pressure will be 2 metres of water absolute. The co-efficient of meter is 0.97 , Taking atmospheric pressure head is 10.3 m of water.
A pitot static tube is used to measure the velocity of water in a pipeline. If the mercury manometer attached to it shows a reading of 0.17 m, calculate the water velocity in the pipe. Assume coefficient of velocity as 0.98.
Chapter 15 Solutions
Applied Fluid Mechanics
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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- Calculate the minimal head of the pump required to pump 1 m³ of water per second to the height 10 m trough a pipe with cross sectional area 0.1 m². Assume constant friction coefficient f = 0.04 and neglect all losses in fittings. The pump head is the gravity head plus losses and so it can be found?arrow_forwardA pump is used to lift water at ambient temperature from one tank to another at a rate of 08/50 m3/min. If the pipe diameter is 4 in, calculate the power required to run the pump (efficiency 70%). The pipe material is commercial steel and contains 3 standard radius elbows. Assume h=1 cP. Calculate the Reynolds number and the friction head loss using the Moody chart attached, Using Colebrook equation. Calculate the other losses and the total loss, (Calculate the required power. Flow rate is not necessary for answering the question.arrow_forwardThe total head of fan is 200 m and has a static pressure of 210 mm of water gage. What is the velocity of air flowing if density is 1.16 m3/s.arrow_forward
- A venture meter having a throat diameter d2 of 100mm is fitted into a pipeline which has a diameter d1 of 250mm through which oil of specific gravity 0.9 is flowing. The pressure difference between the entry and throat tapings is measured by a u tube manometer containing mercury of specific gravity 13.6 and the connections are filled with the oil flowing in the pipeline. If the difference of level indicated in the u-tube is 0.63m, calculate the theoretical discharge through the meter.arrow_forward. What horsepower is supplied to air moving at 7m/min through a 70cmx90cm duct under a pressure of8cm of H2O?arrow_forwardA water piping system is 3000 ft of NPS 20-inch pipe that has three gate valves, one globe valve, one lift check valve, and two standard tees through the flow. Calculate the total pipe length that will include all the straight pipe and valves and fittings. Calculate the pressure drop due to friction if the average flow rate is assumed to be 6.7 ft3/s. Take the value of the Darcy friction factor from Prob (1).arrow_forward
- A horizontal pipe line conveys a constant rate of flow which is measured by a venturimeter located in it. The secondary element is a differential manometer. When the manometer is inclined upward in the direction of flow, the deflection on a differential manometer will _______.arrow_forwardAn orifice 150 mm diameter, having a coefficient of contraction of 0.65 discharges oil (SG=0.80) under a head of 8 m. The average actual velocity of the jet is 11.65 m/s. Compute the diameter of the jet at the vena contracta.arrow_forwardQ.4) Differentiate between major and minor losses in pipes.arrow_forward
- A 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_forwardA pitot static tube fitted in a pipe of 0.25 m diameter records the difference in stagnation and static pressure as 0.085 m of water. Assume the velocity coefficient as unity, calculate the water velocity in the pipe line.arrow_forwardThe volume flow rate of water that recirculates from the blade outlet to the impeller is estimated to be 0.4524 ft^3/min, and the losses through the shaft sealing is negligible. The hydraulic and mechanical efficiency of a centrifugal pump are 95% and 93%, respectively. If the pump delivers water a flow rate of 12 ft^3/min, calculate the pump efficiency in %.arrow_forward
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