Answered: What fluid property is responsible for…

What fluid property is responsible for the development of the velocity boundary layer? What is the effect of the velocity on the thickness of the boundary layer?

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.25P

See similar textbooks

Related questions

Q: During a high Reynolds number experiment, the total drag force acting on a spherical body of…

A: Given data, From stokes equation,

Q: Flow over flat plate has velocity and temperature distribution as, u (r, x) = C, and T (r, x) = C 2…

Q: Wind loading is a primary consideration in the design of the supporting mechanisms of billboards, as…

Q: 2-Air at 30 C over a flat plate at speed of 1.2 m/sec. Calculate the boundary layer thickness at…

Q: Consider laminar boundary layer flow over a flat plate as shown in the figure (top view). Ignoring…

Q: How important is the study of aerodynamics in designing an aircraft and the effect on performance

A: How important is the study of aerodynamics in designing an aircraft and the effect on performance?

Q: By which part of the Aircraft is mainly produced the "Induced drag" ??

A: Lift causes induced drag, which is unavoidable.

Q: 5 Air at 90°C and 1 atm flows over a flat plate at a velocity of 30 m/s. How thick is the boundary…

Q: d the thickness of the boundary layer at a distance of x = 20 c

A: Re @ x =20 cm Re = ρ Vxμ = Vxν= 5 * 0.21.995 x 10-5=50125.31328 < critical reynold snumber ,…

Q: An automotive engine can be approximated as a 0.4-m-high, 0.60-m-wide, and 0.7-m-long rectangular…

A: Given data: *The height of the automotive engine is h=0.4 m. *The width of the automotive engine is…

Q: how does drag coefficient vary with the Reynolds number? a) low and moderate Reynolds numbers and at…

A: Fluid mechanics

Q: Q2: The velocity profile in a laminar boundary layer on a flat plate is to ba modelled by the cubic…

A: Given, uU=ao+a1y+a2y2+a3y3Boundary conditions,1. y=0, u=02. y=δ, u=U3. y=δ, ∂u∂y=04. y=0, ∂2u∂y2=0

Q: In flow over bluff bodies such as a cylinder, how does the pressure drag differ from the friction…

A: The pressure drag is generated due to the shape of the object and it depends on the flow of…

Q: On a flat plate; Explain the boundary layer thickness, displacement thickness and momentum thickness…

A: Boundary-Layer This condition says the fluid speed on the solid surface is the same as the surface…

Q: The sphere of diameter of 5.0 cm is moving in still water at a velocity of 2.0 m/s. The drag…

Q: 2-Air at 30 C over a flat plate at speed of 1.2 m/sec. Calculate the boundary layer thickness at…

Q: Briefly explain laminar, transition and turbulent flow based on boundary layer separation.

A: Boundary layer separation. The detachment of a boundary layer from a surface into a wake is known as…

Q: During a winter day, wind at 58 km/h, 5°C, and 1 atm is blowing parallel to a 3.5-m-high and…

A: Given : The velocity of the wind = 58 km/hr The temperature of the air T = 5°C The pressure of the…

Q: 2- Air (v = 1.8×10° m/s) flows along a flat plate with a velocity of 150 km/hr. How long does the…

Q: b) A 4 m long and 2 m wide plate shown in Figure Q1(b) is positioned in seawater flowing at 1.5 m/s…

Q: (b) The velocity profile in the laminar boundary layer can be approximated by the equation: 3 Us…

Q: During flow over a given slender body such as a wing, the lift force, the upstream velocity, and the…

A: Answer : The lift force depends upon Density of fluid Upstream Velocity Size, shape and orientation…

Q: Engine oil at 40°C flows over a 20-m-long & 3-m-wide smooth flat plate with a free-stream velocity…

Q: Engine oil at 40 C flows over a 5-m-long flat plate with a free-stream velocity of 2 m/s. Determine…

Q: The velocity profile for a turbulent boundary layer over a flat plate is to be approximated by the…

A: The given velocity profile is – The two boundary conditions for boundary layer flow is – From…

Q: ing statements given about the laminar boundary layer on a flat plate are true or false. a) when…

A: given: Write in the boxes on the side that the following statements given about the laminar boundary…

Q: During a winter day, wind at 70 km/h, 5°C, and 1 atm is blowing parallel to a 4-m-high and 15-m-long…

A: Velocity of wind = 70 km/h = 19.444 m/s The pressure of the air = 1 atm Length of the wall = 15m…

Q: QUESTION 3 A flat plate, manufactured from Perspex, is drawn submerged through 25°C still water at a…

Q: Which parameter does not affect an earlier occurrence of the transition of Laminar flow to turbulent…

A: Laminar flow is the characteristics of flow that occurs when a fluid flows in parallel layers,…

Q: A 2-m-long, 0.2-m-diameter cylindrical pine log (density = 513 kg/m3) is suspended by a crane in the…

A: Given, The density of the log, ρ=513 kg/m3 The diameter of the log, D=0.2 m The length of the log,…

Q: During flow over a given body, the drag force, the upstream velocity, and the fluid density are…

A: Drag force is the resistive force exerted by a fluid due to its motion. Drag force is supposed to…

Q: Air is flowing at a speed of 5 m/sec between two parallel flat plates. The air temperature is 20o C…

A: Write the given data with suitable variables. v=5 m/sT∞=20 °CP=1 atmT=90 °Cd=60 cm=0.6 m100 cm1 mb=1…

Q: The air at 65°C and with a viscosity of 1.86x10^-5 m^2/s flows along a flat plate at 12 m/s, under…

Q: What is flow separation? What causes it? What is the effect of flow separation on the drag…

A: Flow separation It is a process in which the boundary layer of the fluid detaches itself from the…

Q: Show the boundary layer development along the plate and define the characteristics of boundary layer…

A: Given:

Q: Define the planform area of a body subjected to external flow. When is it appropriate to use the…

A: Planform area: Plan area of an object is taken as the planform area. The plan is the view of the…

Q: Consider a refrigeration truck traveling at 70 mi/h at a location where the air is at 1 atm and…

A: Given that,

Q: Engine oil at 40°C flows over a 20-m-long & 3-m-wide smooth flat plate with a free-stream velocity…

Q: How does the Reynolds number effect the lift and drag coefficient for a symmetrical airfoil

Q: boundary layer, the shear stress at trailing edge and the drag force on one side of plate 1 m long,…

Q: A 0.5 m x 2 m flat plate is towed at 5 m/s on a 2-mm-thick layer of SAE-30 oil at 38°C that…

Q: Engine oil at 40°C flows over a 20-m-long & 3-m-wide smooth flat plate with a free-stream velocity…

Q: Write down the power-law velocity profile empirical correlation and when is this relation valid?

A: According to Nikuradse, The velocity profile for smooth pipe is given by, uumax=yR1n where, n…

Q: (b) A smooth thin plate 10 m long and 1 m wide is placed in an air stream at 3 m/s with its length…

A: As per bartleby guidelines we are allowed to solve only 1st question if multiple questions are…

Q: What is the difference between streamlined and bluff bodies? Is a tennis ball a streamlined or bluff…

A: If bodies subjected to fluid,flow can be classified as sreamlined or bluff body. a body is said to…

Q: What is induced drag on wings? Can the induced drag be minimized by (1) long and narrow wings or (2)…

A: Given question? What is induced drag on wing? Can it be minimized by wing shape?

Question

What fluid property is responsible for the development of the velocity boundary layer? What is the effect of the velocity on the thickness of the boundary layer?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Trending now

This is a popular solution!

Step by step

Solved in 4 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

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

Show the boundary layer development along the plate and define the characteristics of boundary layer from plate to the free stream region in turbulent boundary layer region.
During flow over a given body, the drag force, the upstream velocity, and the fluid density are measured. Explain how you would determine the drag coefficient. What area would you use in the calculations?
Which parameter does not affect an earlier occurrence of the transition of Laminar flow to turbulent flow in the boundary layer of the flat plate?
How does the air behaves at zero degree?When is the flow turbulent?When does the boundary layer disappear?
What is flow separation? What causes it? What is the effect of flow separation on the drag coefficient?
What is the effect of streamlining on (a) friction drag and (b) pressure drag? Does the total drag acting on a body necessarily decrease as a result of streamlining? Explain.
The viscous laminar flow of air over a flat plate results in the formation of a boundary layer. The boundary layer thickness at the end of the plate of length L is Delta L . When the plate length is increased to twice its original length. The percentage change in laminar boundary layer thickness at the end of the plate (with respect to Delta L ) is ______
An automotive engine can be approximated as a 0.4-m-high, 0.60-m-wide, and 0.7-m-long rectangular block. The ambient air is at 1 atm and 15°C. Determine the drag force acting on the bottom surface of the engine block as the car travels at a velocity of 120 km/h. Assume the flow to be turbulent over the entire surface because of the constant agitation of the engine block
In flow over bluff bodies such as a cylinder, how does the pressure drag differ from the friction drag?
A flat plate ( 1.5 m ) long and ( 1.5 m ) wide is towed in water ( ρ = 1000 kg/m3 and ν=1.31 * 10 -6 m2 / s ) in the direction of its length at a speed of ( 20 cm / s ). Determine; a) The skin frictional drag force on both sides of the plate. b) The boundary layer thickness at the end of the plate.
During a high Reynolds number experiment, the total drag force acting on a spherical body of diameter D = 11 cm subjected to airflow at 1 atm and 5°C is measured to be 5.0 N. The pressure drag acting on the body is calculated by integrating the pressure distribution (measured by the use of pressure sensors throughout the surface) to be 4.75 N. Determine the friction drag coefficient of the sphere.
Air at 30oC (density=1.165 kg/m3, kinematic viscosity = 16x10-5 m2/s) flows over a flat plate at a free stream velocity of 4.19 m/s. Determine the boundary layer thickness at distances of 0.2m, 0.5 m and 0.8 m. Also determine the skin friction coefficients, both local and average, at these locations.