Homework Answers
Add Answer to:
help
Consider a flat plate, that is 4m wide and 1m long. The plate is immersed...
Q1. A flat plate is immersed in a uniform stream voo that moves parallel with the...
Q1. A flat plate is immersed in a uniform stream voo that moves parallel with the flat plate. A boundary layer thickness δ is formed close to the plate surface. Using the control volume analysis of the boundary layer (the von Karman equation) determine relationships of the a. boundary layer displacement thickness, δ* b. momentum thickness, θ c. shear stress on the flat plate surface, Tu as a function of the velocity deficit 1- Then use the approximation that the...
Part 1 A thin plate 6 ft long and 3 ft wide is submerged and held...
Part 1 A thin plate 6 ft long and 3 ft wide is submerged and held stationary in a stream of water (T-60F) that has a velocity of 10 ft/s. What is the thickness of the boundary layer on the plate for Re, - 500,000 (assume the boundary layer is still laminar), and at what distance downstream of the leading edge does this Reynolds number occur? What is the shear stress on the plate at this point? (a) which of...
3). Standard air flows over a flat plate as shown. Laminar Find: boundary layer forms on...
3). Standard air flows over a flat plate as shown. Laminar Find: boundary layer forms on the surface. Assume the boundary (a). Wall shear stress, Fj)! layer bas a cubic velocity profile: (b). Boundary layer thickness, x)! (c). Shape factor (H-8t/0) Momentum integral equation on a flat plate is ax) Ud(u/U) Ху 1m The displacement thickncss and the momentum thickness are Freestream velocity is 1.0 m/s. The fluid viscosity and density are 1.55 x 10 m'ls and 1.23 kg/m, respectively...
Air at 70℉ flows parallel to a smooth, thin, flat plate at 13 ns. The plate...
Air at 70℉ flows parallel to a smooth, thin, flat plate at 13 ns. The plate is 10 6 ft long Determine whether the boundary layer on the plate is most likely laminar, turbulent, or somewhere in between (transitional). Calculate the boundary layer thickness at the end of the plate where the boundary layer is laminar everywhere and where the boundary layer is turbulent everywhere (obtained from the one seventh-power law), The kinematic viscosity of air at 70°F is v...
Water at 15.6 [°C] (with kinematic viscosity of 1.12 [cSt]) flows over a flat plate generatinga boundary layer. The thickness of the boundary layer at 0.50 [m] from the leading edge is 6 [mm] (a)...
Water at 15.6 [°C] (with kinematic viscosity of 1.12 [cSt]) flows over a flat plate generatinga boundary layer. The thickness of the boundary layer at 0.50 [m] from the leading edge is 6 [mm] (a) Is the boundary layer laminar or turbulent at that point? (b) At what distance it becomes turbulent? (c) What is the layer thickness at that point?
Water at 15.6 [°C] (with kinematic viscosity of 1.12 [cSt]) flows over a flat plate generatinga boundary layer. The...
(b) For a laminar boundary layer on a flat plate the velocity profile uly) is given...
(b) For a laminar boundary layer on a flat plate the velocity profile uly) is given by 0-30:48) where U is the free stream velocity, y is the distance measured normal to the surface of the plate and is the boundary layer thickness. Determine equations for (i) the momentum thickness , and (8 marks) (ii) the boundary layer thickness d. (7 marks)
Required information Air at 25°C and 1 atm is flowing over a long flat plate with...
Required information Air at 25°C and 1 atm is flowing over a long flat plate with a velocity of 7 m/s. The density and kinematic viscosity of air at 1 atm and 25°C are p= 1.184 kg/m3 and V = 1.562x10-5 m2/s. Calculate the distance from the leading edge of the plate where the flow becomes turbulent. The distance from the leading edge of the plate is m. Required information Air at 25°C and 1 atm is flowing over a...
A thin, flat plate of 0.6 m square is immersed in a parallel stream of air at atmospheric pressure and 15 ºC flowing at a velocity of 6 m/s. Neglect edge effects. a) Determine the drag force exerted o...
A thin, flat plate of 0.6 m square is immersed in a parallel stream of air at atmospheric pressure and 15 ºC flowing at a velocity of 6 m/s. Neglect edge effects. a) Determine the drag force exerted on the plate. b) Determine the boundary layer thickness and the local drag coefficient at a distance 0.3 m from the leading edge.
Air is flowing over a long flat plate with a velocity of 3 m/s. The density...
Air is flowing over a long flat plate with a velocity of 3 m/s. The density is 1.127 kg/mº, and the dynamic viscosity is 1.918-10-kg/m s. The hydrodynamic boundary layer thickness at a distance 0.3 m from the leading edge is: 0 6.41 mm 52,883 mm 5.85 mm 3.22 mm None of the above
Consider laminar flow of an incompressible fluid past a flat plate. The boundary layer velocity profile...
Consider laminar flow of an incompressible fluid past a flat plate. The boundary layer velocity profile is given as u = U sin () a. Determine the boundary layer thicknesses 8, 8, as a function of x. Express in terms of Reynolds number. b. Using momentum integral theory, determine the wall shear stress tw, as a func. of x. Express in terms of Reynolds number. C. Determine the friction drag coefficient, Cof-
Q1. A flat plate is immersed in a uniform stream voo that moves parallel with the flat plate. A boundary layer thickness δ is formed close to the plate surface. Using the control volume analysis of the boundary layer (the von Karman equation) determine relationships of the a. boundary layer displacement thickness, δ* b. momentum thickness, θ c. shear stress on the flat plate surface, Tu as a function of the velocity deficit 1- Then use the approximation that the...
Part 1 A thin plate 6 ft long and 3 ft wide is submerged and held stationary in a stream of water (T-60F) that has a velocity of 10 ft/s. What is the thickness of the boundary layer on the plate for Re, - 500,000 (assume the boundary layer is still laminar), and at what distance downstream of the leading edge does this Reynolds number occur? What is the shear stress on the plate at this point? (a) which of...
3). Standard air flows over a flat plate as shown. Laminar Find: boundary layer forms on the surface. Assume the boundary (a). Wall shear stress, Fj)! layer bas a cubic velocity profile: (b). Boundary layer thickness, x)! (c). Shape factor (H-8t/0) Momentum integral equation on a flat plate is ax) Ud(u/U) Ху 1m The displacement thickncss and the momentum thickness are Freestream velocity is 1.0 m/s. The fluid viscosity and density are 1.55 x 10 m'ls and 1.23 kg/m, respectively...
Air at 70℉ flows parallel to a smooth, thin, flat plate at 13 ns. The plate is 10 6 ft long Determine whether the boundary layer on the plate is most likely laminar, turbulent, or somewhere in between (transitional). Calculate the boundary layer thickness at the end of the plate where the boundary layer is laminar everywhere and where the boundary layer is turbulent everywhere (obtained from the one seventh-power law), The kinematic viscosity of air at 70°F is v...
Water at 15.6 [°C] (with kinematic viscosity of 1.12 [cSt]) flows over a flat plate generatinga boundary layer. The thickness of the boundary layer at 0.50 [m] from the leading edge is 6 [mm] (a) Is the boundary layer laminar or turbulent at that point? (b) At what distance it becomes turbulent? (c) What is the layer thickness at that point?
Water at 15.6 [°C] (with kinematic viscosity of 1.12 [cSt]) flows over a flat plate generatinga boundary layer. The...
(b) For a laminar boundary layer on a flat plate the velocity profile uly) is given by 0-30:48) where U is the free stream velocity, y is the distance measured normal to the surface of the plate and is the boundary layer thickness. Determine equations for (i) the momentum thickness , and (8 marks) (ii) the boundary layer thickness d. (7 marks)
Required information Air at 25°C and 1 atm is flowing over a long flat plate with a velocity of 7 m/s. The density and kinematic viscosity of air at 1 atm and 25°C are p= 1.184 kg/m3 and V = 1.562x10-5 m2/s. Calculate the distance from the leading edge of the plate where the flow becomes turbulent. The distance from the leading edge of the plate is m. Required information Air at 25°C and 1 atm is flowing over a...
Air is flowing over a long flat plate with a velocity of 3 m/s. The density is 1.127 kg/mº, and the dynamic viscosity is 1.918-10-kg/m s. The hydrodynamic boundary layer thickness at a distance 0.3 m from the leading edge is: 0 6.41 mm 52,883 mm 5.85 mm 3.22 mm None of the above
Consider laminar flow of an incompressible fluid past a flat plate. The boundary layer velocity profile is given as u = U sin () a. Determine the boundary layer thicknesses 8, 8, as a function of x. Express in terms of Reynolds number. b. Using momentum integral theory, determine the wall shear stress tw, as a func. of x. Express in terms of Reynolds number. C. Determine the friction drag coefficient, Cof-
Most questions answered within 3 hours.
-
1. A 1200 kg car is practicing on a flat test
track. The car begins moving...
asked 23 minutes ago -
An
agency collects demographics concerning the number of people in
families per household in a certain...
asked 24 minutes ago -
Writing a Persuasive Essay on:
(Smoking in public places should be banned) Can i please get...
asked 27 minutes ago -
Q23 Suppose H0 is left-tailed and tTest = -2.26. (Note tTest not
zTest). The tTest value...
asked 35 minutes ago -
A runaway train car that has a mass of 1.71e+4 kg travels at a
speed of...
asked 35 minutes ago -
Question 1: For each of the sections in this part, the
competitive market for labor is...
asked 33 minutes ago -
Lincoln, Inc., which uses a volume-based cost system, produces
cat condos that sell for $170 each....
asked 40 minutes ago -
On November 3, the spot price for cotton was $0.81/lb., and the
February futures price was...
asked 41 minutes ago -
Using Python:
A Prime number is an integer greater than 1 that cannot be
formed by...
asked 1 hour ago -
Read about Cokes strategy in Africa in the article below and
discuss the ethics of selling...
asked 50 minutes ago -
What made of a 40.0% NaOH solution should be diluted to 1.00 L
with water to...
asked 50 minutes ago -
Draw and describe the results of the Meselson-Stahl experiments
showing that DNA replication followed the Semi-conservative...
asked 55 minutes ago