Fox and McDonald's Introduction to Fluid Mechanics
9th Edition
ISBN: 9781118912652
Author: Philip J. Pritchard, John W. Mitchell
Publisher: WILEY
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 6, Problem 33P
The inlet contraction and test section of a laboratory wind tunnel are shown. The air speed in the test section is U = 50 m/s. A total-head tube pointed upstream indicates that the stagnation pressure on the test section centerline is 10 mm of water below atmospheric. The laboratory is maintained at atmospheric pressure and a temperature of −5°C. Evaluate the dynamic pressure on the centerline of the wind tunnel test section. Compute the static pressure at the same point. Qualitatively compare the static pressure at the tunnel wall with that at the centerline. Explain why the two may not be identical.
P6.33
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Water steam is running through the nozzle. Inlet pressure is P1=25 bars; T1=300C; V1=90m/s; A1=0.2m2. The exit parameters are: P2=11bars; T2=210C. The mass flow rate is m=2 kg/s.
Determine:
a.Exit velocity V2=?;
b.Inlet and outlet diameters D1 and D2.
show all steps
Good day. I require assistance as this will help in my examination review. (Basic Aerodyn Principles)
Consider the wind tunnel shown below. The diameter at section 1 is 0.8 m and the diameter at section 2 is 0.5 m. A manometer is used to determine the pressure difference between the two sections. The manometer liquid has a specific gravity of 0.82. Determine the change in height in the manometer if the velocity at section 2 is 72 m/s. Assume incompressible flow and standard sea-level conditions. Provide answer in centimeters. Round-off answer to the nearest whole number.
**Would gladly appreciate an explanation. Thank you.
A wind tunnel with a 7/1 inlet and test ratio. The test section is at standard sea-level conditions with a velocity of 125 ft/s, calculate the height change in the U-tube instrument connected to the test and inlet section, with a liquid density of 2.1 slugs/ft^3. The flow is incompressible.
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...
Additional Engineering Textbook Solutions
Find more solutions based on key concepts
What parts are included in the vehicle chassis?
Automotive Technology: Principles, Diagnosis, and Service (5th Edition)
Figure 8.12shows a portion of a fire protection system in which a pump draws water at 60 F from a reservoir and...
Applied Fluid Mechanics (7th Edition)
The design condition for a space is 77 F (25 C) db and 50 percent relative humidity with 55 F (13 C) db supply ...
Heating Ventilating and Air Conditioning: Analysis and Design
7. A new hybrid automobile with regenerative braking has a fuel economy of 55 miles per gallon [mi/gal or mpg] ...
Thinking Like an Engineer: An Active Learning Approach (3rd Edition)
The condenser of a steam power plant consists of AISI 302 stainless steel tubes (ks=15W/mK) , each of outer and...
Fundamentals of Heat and Mass Transfer
State if these members are in tension or compression. Probs. 6-32
Engineering Mechanics: Statics
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Derive the dynamic equation in terms of the height h for the following fluid system. Assume laminar flow in the orifice. Assume p to be density of the fluid and g gravity. a is the area of the pipe. A H -Pi+Pa R L Paarrow_forwardWater is flowing out of the nozzle (2) into atmospheric pressure (101 kPa). What is the gauge pressure at point (1), when flow rate is 32.18 m3/h and frictional losses are ignored? Water density is 1000 kg/m3.arrow_forwardQUESTION 2 Water flows through the horizontal branching pipe shown in Figure 3. Water discharges into the atmosphere at section (4). If viscous effects are negligible, a) determine the pressure at section (2). b) calculate the velocity at section (3). c) what is the x component of the anchoring force at the flange to hold the pipe in place? Draw the control volume and identify all forces. A2 = 0.007 m² V2 = 9 m/s (1) Flange 40° A = 0.1 m² V, = 3 m/s → P, = 69 kPa Az = 0.02 m² %3D P3 = 55 kPa (3) A4 = 0.0095 m². (4) Figure 3arrow_forward
- A pump test for air flow is set up as shown below in which the pump draws air from the atmosphere into the 1-ft diameter pipe. The liquid in the differential manometer is water (? = 62.4 ?b/??^3) and the density of air is 0.00238 ?lug/??^3. Assume that the air flow is incompressible and frictionless. (a) Using the piezometer tube, compute the pressure in the pipe. (b) Using the Pitot tube and an energy equation, compute the velocity in the pipe. (c) Assuming that the air far away from the entrance to the pump is at rest (zero velocity), calculate the power delivered by the pump.arrow_forwardConsider the wind tunnel shown below. The diameter at section 1 is 0.9 m and the diameter at section 2 is 0.4 m. A manometer is used to determine the pressure difference between the two sections. The manometer liquid has a specific gravity of 0.82. Determine the change in height in the manometer if the velocity at section 2 is 66 m/s. Assume incompressible flow and standard sea-level conditions. Provide answer in centimeters. Round-off answer to the nearest whole number.arrow_forwardWater steam is running through the nozzle. Inlet pressure is P1=25 bars; T1=300C; V1=90m/s; A1=0.2m2. The exit parameters are: P2=11bars; T2=210C. The mass flow rate is m=2 kg/s. Determine: a.Exit velocity V2=?; b.Inlet and outlet diameters D1 and D2.arrow_forward
- The airduct shown below has a slanted exit, the dimension of which is 2 inch by 3 inch. Air is flowing out of the duct at a velocity of 6 ft/s, 45° to the surface of the exit. Pressure is 1 bar (14.7 psia) and temperature is 60 °F. Please compute • Density of air at this pressure and temperature; • Mass rate-of-flow through the duct; • Momentum rate-of-flow through the duct along the direction of air flow. 3 in. Air flow 6 ft/s 2 in. Side view 45°arrow_forwardA horizontal nozzle discharges water into the atmosphere as shown in the figure. the relative pressure at point 1 equal to p1 = 18 kPa. a. A Pitot tube connected to a mercury manometer is inserted into the flow. in the area section A1 indicating a height difference h = 0.01 m. For this reading indicated in the Pitot tube, determine the velocity in the A1 area section of the nozzle. b. For the dimensioning of the anchor block it is necessary to determine the force that the nozzle applies over the fluid. Calculate the component of this force in the x direction. Data: D1 = 0.070 m; D2 = 0.060 m; 0 = 30°; dHg = 13.6 Patm A2 pi Fx A1 Block of anchoragearrow_forwardcontoured nozzle. In the test section, where the flow is straight and nearly uniform, a static pressure tap is drilled into the tunnel wall. A manometer connected to the tap shows that the static pressure within the tunnel is 45 mm of water below atmosphere. Assume that air is incompressible and at pressure is 100 kPa (absolute). Calculate the velocity in the wind tunnel section (Refer to Fig. 6.6). Density of P. 100 kPa water is 999 kg/m' and characteristic gas constant for V-0 air is 287 J/kg K. 25°C, O Test section 25°C (GATE) To manometer Fig. 6.6arrow_forward
- The venturi nozzle in the airflow experiment measures a static pressure of 7 psf (lb/ft2 ) before the nozzle and a static pressure of 2 psf after the nozzle. If the Reynolds Number of the flow is 5.7E+04, gc = 32.17 lmm-ft/lbf -s2 , ρ = 0.075 lbm/f t3 Dpipe = 5 in, and Dventuri = 2.74 in, find the flow rate in the pipe. Present answer in cfm.arrow_forwardwhat will be the pressure gradient (kpa/m) at L=30 cm through the nozzle? At L=0, the liquid flows inside the nozzle has a specific gravity S=6.1, at L=0, the velocity is 2 m/s while at L=70 cm, the velocity is 6 m/s. Assume steady and inviscid flow. The velocity varies linearly with distance through the nozzle. 70 cm 60 em Liguidarrow_forward4. A pipe carries oil of density 800 kg/m³. At a given point (1) the pipe has a bore area of 0.005 m² and the oil flows with a mean velocity of 4 m/s with a gauge pressure of 800 kPa. Point (2) is further along the pipe and there the bore area is 0.002 m² and the level is 50 m above point (1). Calculate the pressure at this point (2). Neglect friction. (374 kPa)arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Elements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University Press
Mechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSON
Thermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEY
Mechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage Learning
Engineering Mechanics: StaticsMechanical EngineeringISBN:9781118807330Author:James L. Meriam, L. G. Kraige, J. N. BoltonPublisher:WILEY
Elements Of Electromagnetics
Mechanical Engineering
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:9780134319650
Author:Russell C. Hibbeler
Publisher:PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:9781259822674
Author:Yunus A. Cengel Dr., Michael A. Boles
Publisher:McGraw-Hill Education
Control Systems Engineering
Mechanical Engineering
ISBN:9781118170519
Author:Norman S. Nise
Publisher:WILEY
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Cengage Learning
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:9781118807330
Author:James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:WILEY
Intro to Compressible Flows — Lesson 1; Author: Ansys Learning;https://www.youtube.com/watch?v=OgR6j8TzA5Y;License: Standard Youtube License