Fluid Mechanics: Fundamentals and Applications
4th Edition
ISBN: 9781259696534
Author: Yunus A. Cengel Dr., John M. Cimbala
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Question
Chapter 10, Problem 135P
To determine
The boundary layer thickness at the end of plate.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Air ( density :1,2 kg /m3 viscosity : 1.5x10-5 m2 /s ) flows over a flat plate of length 2,5 m and width 1 m at a test speed of 1,5 m/s. Determine the approximate magnitude of frictional force, F . (Flat plate is totally submerged in air and both surfaces of it are of same surface quality )ANSWER: F = 0,017955 N
An aluminium canoe moves horizontally along the surfaceof a lake at 8.0 mi/h.The temperature of the lake water is50°F. The bottom of the canoe is 18 ft long and is flat. Is theboundary layer on the canoe bottom laminar or turbulent?. Thekinematic viscosity of Water at 50°F is 1.516 *10-5ft2/s.
a pipe of diameter 60 mm is subjected to an oil flow at rate of 343.5 kg/s. the mass
density and viscosity of oil is 900 kg/m' and 0.9 Pa-sec. the length of pipe is 100.
Determine the Pressure gradient in kPa/m.
(A) 18
(B) 32
(C) 36
16
Answer
A
B
O D
Chapter 10 Solutions
Fluid Mechanics: Fundamentals and Applications
Ch. 10 - Discuss how nondimensalizsionalization of the...Ch. 10 - Prob. 2CPCh. 10 - Expalain the difference between an “exact”...Ch. 10 - Prob. 4CPCh. 10 - Prob. 5CPCh. 10 - Prob. 6CPCh. 10 - Prob. 7CPCh. 10 - A box fan sits on the floor of a very large room...Ch. 10 - Prob. 9PCh. 10 - Prob. 10P
Ch. 10 - Prob. 11PCh. 10 - In Example 9-18 we solved the Navier-Stekes...Ch. 10 - Prob. 13PCh. 10 - A flow field is simulated by a computational fluid...Ch. 10 - In Chap. 9(Example 9-15), we generated an “exact”...Ch. 10 - Prob. 16CPCh. 10 - Prob. 17CPCh. 10 - A person drops 3 aluminum balls of diameters 2 mm,...Ch. 10 - Prob. 19PCh. 10 - Prob. 20PCh. 10 - Prob. 21PCh. 10 - Prob. 22PCh. 10 - Prob. 23PCh. 10 - Prob. 24PCh. 10 - Prob. 25PCh. 10 - Prob. 26PCh. 10 - Prob. 27PCh. 10 - Consider again the slipper-pad bearing of Prob....Ch. 10 - Consider again the slipper the slipper-pad bearing...Ch. 10 - Prob. 30PCh. 10 - Prob. 31PCh. 10 - Prob. 32PCh. 10 - Prob. 33PCh. 10 - Prob. 34EPCh. 10 - Discuss what happens when oil temperature...Ch. 10 - Prob. 36PCh. 10 - Prob. 38PCh. 10 - Prob. 39CPCh. 10 - Prob. 40CPCh. 10 - Prob. 41PCh. 10 - Prob. 42PCh. 10 - Prob. 43PCh. 10 - Prob. 44PCh. 10 - Prob. 45PCh. 10 - Prob. 46PCh. 10 - Prob. 47PCh. 10 - Prob. 48PCh. 10 -
Ch. 10 - Prob. 50CPCh. 10 - Consider the flow field produced by a hair dayer...Ch. 10 - In an irrotational region of flow, the velocity...Ch. 10 -
Ch. 10 - Prob. 54CPCh. 10 - Prob. 55PCh. 10 - Prob. 56PCh. 10 - Consider the following steady, two-dimensional,...Ch. 10 - Prob. 58PCh. 10 - Consider the following steady, two-dimensional,...Ch. 10 - Prob. 60PCh. 10 - Consider a steady, two-dimensional,...Ch. 10 -
Ch. 10 - Prob. 63PCh. 10 - Prob. 64PCh. 10 - Prob. 65PCh. 10 - In an irrotational region of flow, we wtite the...Ch. 10 - Prob. 67PCh. 10 - Prob. 68PCh. 10 - Water at atmospheric pressure and temperature...Ch. 10 - The stream function for steady, incompressible,...Ch. 10 -
Ch. 10 - We usually think of boundary layers as occurring...Ch. 10 - Prob. 73CPCh. 10 - Prob. 74CPCh. 10 - Prob. 75CPCh. 10 - Prob. 76CPCh. 10 - Prob. 77CPCh. 10 - Prob. 78CPCh. 10 - Prob. 79CPCh. 10 - Prob. 80CPCh. 10 - Prob. 81CPCh. 10 -
Ch. 10 - On a hot day (T=30C) , a truck moves along the...Ch. 10 - A boat moves through water (T=40F) .18.0 mi/h. A...Ch. 10 - Air flows parallel to a speed limit sign along the...Ch. 10 - Air flows through the test section of a small wind...Ch. 10 - Prob. 87EPCh. 10 - Consider the Blasius solution for a laminar flat...Ch. 10 - Prob. 89PCh. 10 - A laminar flow wind tunnel has a test is 30cm in...Ch. 10 - Repeat the calculation of Prob. 10-90, except for...Ch. 10 - Prob. 92PCh. 10 - Prob. 93EPCh. 10 - Prob. 94EPCh. 10 - In order to avoid boundary laver interference,...Ch. 10 - The stramwise velocity component of steady,...Ch. 10 - For the linear approximation of Prob. 10-97, use...Ch. 10 - Prob. 99PCh. 10 - One dimension of a rectangular fiat place is twice...Ch. 10 - Prob. 101PCh. 10 - Prob. 102PCh. 10 - Prob. 103PCh. 10 - Static pressure P is measured at two locations...Ch. 10 - Prob. 105PCh. 10 - For each statement, choose whether the statement...Ch. 10 - Prob. 107PCh. 10 - Calculate the nine components of the viscous...Ch. 10 - In this chapter, we discuss the line vortex (Fig....Ch. 10 - Calculate the nine components of the viscous...Ch. 10 - Prob. 111PCh. 10 - The streamwise velocity component of a steady...Ch. 10 - For the sine wave approximation of Prob. 10-112,...Ch. 10 - Prob. 115PCh. 10 - Suppose the vertical pipe of prob. 10-115 is now...Ch. 10 - Which choice is not a scaling parameter used to o...Ch. 10 - Prob. 118PCh. 10 - Which dimensionless parameter does not appear m...Ch. 10 - Prob. 120PCh. 10 - Prob. 121PCh. 10 - Prob. 122PCh. 10 - Prob. 123PCh. 10 - Prob. 124PCh. 10 - Prob. 125PCh. 10 - Prob. 126PCh. 10 - Prob. 127PCh. 10 - Prob. 128PCh. 10 - Prob. 129PCh. 10 - Prob. 130PCh. 10 - Prob. 131PCh. 10 - Prob. 132PCh. 10 - Prob. 133PCh. 10 - Prob. 134PCh. 10 - Prob. 135PCh. 10 - Prob. 136PCh. 10 - Prob. 137PCh. 10 - Prob. 138P
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
- Engine oil at 40 C flows over a 5-m-long flat plate with a free-stream velocity of 2 m/s. Determine the drag force acting on the top side of the plate per unit width. The density and kinematic viscosity of oil at 40 C are 876 kg/m^3 and 2.458 x 10 m^-4/s respectively.arrow_forwardWater flows at 20°C with a velocity of 1.1 m/s over a flat plate whose length is 15 cm. The boundary layer thickness at the end of the plate is (the density and viscosity of water are 998 kg/m3 and 1.002 × 103 kg/m⋅s, respectively). (a) 1.14 mm (b) 1.35 mm (c) 1.56 mm (d ) 1.82 mm (e) 2.09 mmarrow_forwarda pipe of diameter 60 mm is subjected to an oil flow at rate of 343.5 kg/s. the mass density and viscosity of oil is 900 kg/m' and 0.9 Pa-sec. the length of pipe is 100. Determine the Pressure gradient in kPa/m. (A) 18 (B) 32 (C) 36 (D) 16 Answerarrow_forward
- Air flows at 15°C with a velocity of 12 m/s over a flat plate whose length is 80 cm. Using one-seventh power law of the turbulent flow, what is the boundary layer thickness at the end of the plate? (The kinematic viscosity of air is 1.470 × 10−5 m2/s.) (a) 1.54 cm (b) 1.89 cm (c) 2.16 cm (d ) 2.45 cm (e) 2.82 cmarrow_forwardWhat are the physical and quantitative evidence of turbulence in fluid flow?arrow_forwardThe erythrocyte sedimentation rate (heaviness) test of a blood sample is often used as a diagnosis of immune disorders and some other diseases. Assuming that the red blood cells are about a sphere with a diameter of (approximately 5 um) and a density (g/ml 1.125), and the density and viscosity of the plasma in which the red blood cells are settled (Pa.s), (1025 kg/m3 10-3 x 1.5) On arrangement and acceleration m/s2 9.81 Calculate the erythrocyte sedimentation rate (settlement rate). 9:40 73% * "l Asiacell 90 x 10-6 m/s 1 0.9 x 10-6 m/min 90 x 10-6 m/minarrow_forward
- A cylindrical shaft of radius 5 cm is rotating at a speed of 50 rad/s in a cylindrical bearing . Shaft and bearing are concentric . The lubricant of viscosity 0,6 Pa s and SG= 0,9 completely fills the clearance between shaft and bearing surface. Take clearance as 0,5 cm and length of shaft as 10 cm . The lubricant flow is laminar steady and uniform .Frictional power loss due to shaft rotation is ? ANSWER: 23,55 Warrow_forwardA fluid with viscosity of u = 1.752 x 10-5kg/m. s and density of p = 1.2kg/m3 flows at U=1 m/s over a flat plate. The boundary layer displacement thickness %3D at the end of the plate is reported 0.01315 m. Assuming the flow is laminar, (a) Find the boundary layer thickness at the end of the plate. (b) Find the momentum thickness at that location. (c) Find the drag force of the plate.arrow_forward2. A cylindrical shaft of radius 4 cm is rotating at a speed of 30 rad/s in a cylindrical bearing . Shaft and bearing are concentric . The lubricant of viscosity 0,4 Pa s and SG= 0,85 completely fills the clearance between shaft and bearing surface. Take clearance as 0,5 cm and length of shaft as 10 cm . The lubricant flow is laminar steady and uniform .Frictional force on shaft surface is ?Lütfen birini seçin: a. 4,47 N b. 2,41 N c. 5,53 N d. 9,42 N e. 1,23 Narrow_forward
- Please answerSuppose water (viscosity @ 100C = 0.658x10-6m2/s) flows at 8 m/s over a flat plate 15 cm long. Calculate the Reynolds number at the downstream end of the plate.arrow_forward(a) The gap between two horizontal plates is 5 mm. The gap is filled with oil of a relative density of 0.88 and a kinematic viscosity of 5 x 104 m?/s. What is the shear stress required to slide the upper plate at a speed of 2.5 m/s over the bottom plate? (b) Seawater of density 1025 kg/m³ and viscosity of 8.9 x 104 Pa-s is flowing through a pipe of 100 mm diameter at a rate of 3.6 litres/minute. Calculate the Reynolds number and state whether the flow is laminar or turbulent. (c) A jet of water with a diameter of 100 mm flows vertically until it meets a solid vane that deflected it at an angle of 180°. The initial velocity of the jet is 20 m/s. As a result of friction, the velocity of the jet leaving the vane is 15 m/s. Assuming the fluid is at atmospheric pressure throughout and neglecting the gravity effects, calculate the magnitude of the force exerted by the water on the vane. (water density 1000 kg/m³)arrow_forwardTwo parallel plates, one moving at 4 m/s and the other fixed, are separated by a 5-mm-thick layer of oil of specific gravity 0.80 and kinematic viscosity 1.25ED4 m2/s. What is the average shear stress in the oil? (a) 80 Pa (b) 100 Pa (c) 125 Pa (d) 160 Pa (e) 200 Paarrow_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 PressMechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSONThermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
- Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEYMechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage LearningEngineering 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
Heat Transfer – Conduction, Convection and Radiation; Author: NG Science;https://www.youtube.com/watch?v=Me60Ti0E_rY;License: Standard youtube license