Fox and McDonald's Introduction to Fluid Mechanics
9th Edition
ISBN: 9781118912652
Author: Philip J. Pritchard, John W. Mitchell
Publisher: WILEY
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Textbook Question
Chapter 6, Problem 36P
Water is flowing. Calculate H(m) and p(kPa).
P6.36
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Example 2
• Water is flowing from hole 1cm radius at the
bottom of a closed cylindrical container of 2m
diameter. If the height of the water in the
container is 2 m and the pressure over the
surface of water is 3 atm. calculate how much
time it took until the container became
empty?
P.
Given :
• The flow rate is 0.0015 m³/s.
• The density of water is 890 kg/m3.
• The head loss duc to friction is 6 m
The pressure on the surface is zero gauge pressure.
• The
· Assume the vilocity Vtop=0 m/s
Choose the correct avlue of the pressure P1
(2)
(1)
P1
A 2-1/2 inch fire hose discharges water through a nozzle having a jet diameter of 1 inch. Thelost head in the nozzle is 5.76 percent of the velocity head in the jet. If the gage pressure atbase of nozzle is (a) 86 lb per sq in.: (b) 167 lb per sq in.: (1.1) compute the discharge ingallons per minute: (1.2) what is the maximum horizontal range to which the stream can bethrown, neglecting air resistance?
Chapter 6 Solutions
Fox and McDonald's Introduction to Fluid Mechanics
Ch. 6 - An incompressible frictionless flow field is given...Ch. 6 - A velocity field in a fluid with density of 1000...Ch. 6 - The x component of velocity in an incompressible...Ch. 6 - Consider the flow field with the velocity given by...Ch. 6 - Consider the flow field with the velocity given by...Ch. 6 - The velocity field for a plane source located...Ch. 6 - In a two-dimensional frictionless, incompressible...Ch. 6 - Consider a two-dimensional incompressible flow...Ch. 6 - An incompressible liquid with a density of 900...Ch. 6 - Consider a flow of water in pipe. What is the...
Ch. 6 - The velocity field for a plane vortex sink is...Ch. 6 - An incompressible liquid with negligible viscosity...Ch. 6 - Consider water flowing in a circular section of a...Ch. 6 - Consider a tornado as air moving in a circular...Ch. 6 - A nozzle for an incompressible, inviscid fluid of...Ch. 6 - A diffuser for an incompressible, inviscid fluid...Ch. 6 - A liquid layer separates two plane surfaces as...Ch. 6 - Consider Problem 6.15 with the nozzle directed...Ch. 6 - Consider Problem 6.16 with the diffuser directed...Ch. 6 - A rectangular computer chip floats on a thin layer...Ch. 6 - Heavy weights can be moved with relative ease on...Ch. 6 - The y component of velocity in a two-dimensional...Ch. 6 - The velocity field for a plane doublet is given in...Ch. 6 - Tomodel the velocity distribution in the curved...Ch. 6 - Repeat Example 6.1, but with the somewhat more...Ch. 6 - Using the analyses of Example 6.1 and Problem...Ch. 6 - Water flows at a speed of 25 ft/s. Calculate the...Ch. 6 - Plot the speed of air versus the dynamic pressure...Ch. 6 - Water flows in a pipeline. At a point in the line...Ch. 6 - In a pipe 0.3 m in diameter, 0.3 m3/s of water are...Ch. 6 - A jet of air from a nozzle is blown at right...Ch. 6 - The inlet contraction and test section of a...Ch. 6 - Maintenance work on high-pressure hydraulic...Ch. 6 - An open-circuit wind tunnel draws in air from the...Ch. 6 - Water is flowing. Calculate H(m) and p(kPa). P6.36Ch. 6 - If each gauge shows the same reading for a flow...Ch. 6 - Derive a relation between A1 and A2 so that for a...Ch. 6 - Water flows steadily up the vertical 1...Ch. 6 - Your car runs out of gas unexpectedly and you...Ch. 6 - A tank at a pressure of 50 kPa gage gets a pinhole...Ch. 6 - The water flow rate through the siphon is 5 L/s,...Ch. 6 - Water flows from a very large tank through a 5 cm...Ch. 6 - Consider frictionless, incompressible flow of air...Ch. 6 - A closed tank contains water with air above it....Ch. 6 - Water jets upward through a 3-in.-diameter nozzle...Ch. 6 - Calculate the rate of flow through this pipeline...Ch. 6 - A mercury barometer is carried in a car on a day...Ch. 6 - A racing car travels at 235 mph along a...Ch. 6 - The velocity field for a plane source at a...Ch. 6 - A smoothly contoured nozzle, with outlet diameter...Ch. 6 - Water flows steadily through a 3.25-in.-diameter...Ch. 6 - A flow nozzle is a device for measuring the flow...Ch. 6 - The head of water on a 50 mm diameter smooth...Ch. 6 - Water flows from one reservoir in a 200-mm pipe,...Ch. 6 - Barometric pressure is 14.0 psia. What is the...Ch. 6 - A spray system is shown in the diagram. Water is...Ch. 6 - Water flows out of a kitchen faucet of...Ch. 6 - A horizontal axisymmetric jet of air with...Ch. 6 - The water level in a large tank is maintained at...Ch. 6 - Many recreation facilities use inflatable bubble...Ch. 6 - Water flows at low speed through a circular tube...Ch. 6 - Describe the pressure distribution on the exterior...Ch. 6 - An aspirator provides suction by using a stream of...Ch. 6 - Carefully sketch the energy grade lines (EGL) and...Ch. 6 - Carefully sketch the energy grade lines (EGL) and...Ch. 6 - Water is being pumped from the lower reservoir...Ch. 6 - The turbine extracts power from the water flowing...Ch. 6 - Consider a two-dimensional fluid flow: u = ax + by...Ch. 6 - The velocity field for a two-dimensional flow is...Ch. 6 - A flow field is characterized by the stream...Ch. 6 - The flow field for a plane source at a distance h...Ch. 6 - The stream function of a flow field is = Ax2y ...Ch. 6 - A flow field is characterized by the stream...Ch. 6 - A flow field is characterized by the stream...Ch. 6 - The stream function of a flow field is = Ax3 ...Ch. 6 - A flow field is represented by the stream function...Ch. 6 - Consider the flow field represented by the...Ch. 6 - Show by expanding and collecting real and...Ch. 6 - Consider the flow field represented by the...Ch. 6 - An incompressible flow field is characterized by...Ch. 6 - Consider an air flow over a flat wall with an...Ch. 6 - A source with a strength of q = 3 m2/s and a sink...Ch. 6 - The velocity distribution in a two-dimensional,...Ch. 6 - Consider the flow past a circular cylinder, of...Ch. 6 - The flow in a corner with an angle can be...Ch. 6 - Consider the two-dimensional flow against a flat...Ch. 6 - A source and a sink with strengths of equal...Ch. 6 - A flow field is formed by combining a uniform flow...
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- A/ A tank fill by the liquid and partially immersed a very long vertical tube in it. The tube has the radius R and rotating at o radians per second clockwise. Find the steady state velocity and pressure profiles in cylındrical coordinates.arrow_forwardA closed tank 5m high contains 2.5 m of water. A nozzle 75 mm in diameter is installed at the side of the tank at a distance 0.5 m. from its bottom. Compute the required air pressure inside the tank to produce 10 hp energy at the nozzle. Cv = 0.95 and Cc = 0.62. * a. 234.65 kPa b. 151.88 kPa c. 183.31 kPa d. 121.23 kPaarrow_forwardThe turbulent velocity profile in the pipe is given by the equation, ... Shear velocity 0,69 m/s, R = 8cm, viscosity is 0.001 kg/ms, density 900 kg/m3 calculate the maximum velocity and friction force for the pipe with 50m in length K=0.41, B=5.0.arrow_forward
- To what height will the jet of water rise for the conditions shown in Fig. 6.40?arrow_forwardWater in a vertical (i.e., gravitational force of the fluid in the nozzle plays a role, and the elevation change in the Bernoulli's Equation, if needed, should be considered) pipe is charging from an attached bend nozzle into the atmosphere as shown in Fig. 5. The nozzle's weight is 20 kg. The pipe and the nozzle are connected by a flange. The gage pressure of the flow at the flange is 35 kPa when the discharge rate is 0.1 m³/s. The volume of the bending nozzle is 0.012 m³. Calculate the vertical component of the anchoring forcing required to hold the nozzle in place and determine its direction. G= 9.81 m/s². The density of water is 1000 kg/m³. ChatGPT solution: Nozzle 1 Area -0.01 m² P-35 kPa Area -0.025 m² 0.10 ms Figure 5: Q5 35 degreearrow_forwardH.W4:10in diameter plunger slides in a 10.006in diameter cylinder, the annular space being filled with oil having a viscosity 0.004 ft2/s and (S.G 0.85).if the plunger moves at 0.6ft/s.find the resistance when 9ft is engaged in the cylinder.arrow_forward
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