This is a
fluid mechanics 3 question. Please answer part (b) and (c) and show all your working clearly.
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This is a
fluid mechanics 3 question. Please answer part (b) and
(c) and show all...
(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)
Problem No-3: Air at 20 c(p-1.21kg/mH-38x107 kg.m/s) and with a free stream velocity o 40 m/s...
Problem No-3: Air at 20 c(p-1.21kg/mH-38x107 kg.m/s) and with a free stream velocity o 40 m/s flows past a smooth thin plate which is 3-m wide and 10-m long in the flow direction. turbulent boundary layer from the leading edge determine: (a) the boundary layer thickness 6 m from the leading edge (b) the drag coefficient and drag force exerted by the fluid on the thin plate Take density 1.2 kg/m3 and kinematic viscosity as 1.49 x 10-s m'/s: (12p)...
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.
QUESTION 2A (11 marks) [Allow 13 minutes] Water flows over a stationary, smooth, flat rectangular plate with dimensions 0.4 x 0.25m as shown in the figure below. The plate has its long axis parallel...
QUESTION 2A (11 marks) [Allow 13 minutes] Water flows over a stationary, smooth, flat rectangular plate with dimensions 0.4 x 0.25m as shown in the figure below. The plate has its long axis parallel to the direction of flow 0.4 m U1 m/s 0.25 m Answer the questions below where the properties of the water are (p 1000 kg/m, v 106 m2/s): a) Determine the nature of the boundary layer over the plate if the approach velocity of the water,...
Please, I need the answer for this problem as soon as possible with all the steps...
Please, I need the answer for this problem as soon as possible
with all the steps thanks
USE EES Air Flows over over a flat metal plate at a velocity of 10 m/s. The 3 (а) plate is 0.7 m long and at a temperature of 315 °C. What is the rate of heat transfer required to maintain the plate at 28°C. Assume flow is laminar over the ENTIRE wwwww PLATE 3(b) boundary layer thickness Now calculate the (i) the...
Question 7 Boundary Layers (8 marks) Air at 20°C flows at 9 m/s past a thin...
Question 7 Boundary Layers (8 marks) Air at 20°C flows at 9 m/s past a thin flat plate whose length is 2 m and width is 1.5 m. Determine the total drag on the plate. (5 marks) a) b) What is the boundary layer thickness at the trailing edge? (3 marks)
Heat Transfer Please be neat and organized for a thumbs up! Problem 3 Atmospheric air at...
Heat Transfer
Please be neat and organized for a thumbs up!
Problem 3 Atmospheric air at T 300 K and a free stream velocity of u 10 m/s flows over a flat plate L = 2 m long that is maintained at a uniform temperature T-320 K. (a) Calculate the average heat transfer coefficient over the region where the boundary layer is laminar. What is the boundary layer thickness at this location? plate as well as the velocity boundary layer...
Air with a dynamic viscosity of 18.1 x 10 N m/s, a density of 1.2 kg/m'...
Air with a dynamic viscosity of 18.1 x 10 N m/s, a density of 1.2 kg/m' and a free stream velocity of 20 m/s flows over a 0.8 m long by 0.3 m wide flat plate. 20 m/s -0.5 m - -0.8 m a. Find the type of flow on flat plate based on Reynolds number b. Find the boundary layer thickness at distance of 0.5 m from the leading edge c. Find the wall shear stress at a horizontal...
Problem 1: In an experiment, Mercury at film temperature of 127 C flows over a flat...
Problem 1: In an experiment, Mercury at film temperature of 127 C flows over a flat plate of length 500 mm and width of 20 mm. Results reveal that the velocity boundary layer thickness at the distance of 5 mm from the leading edge is 0.4 pim, and also th convection heat transfer coefficients in the laminar and turbulent regions (Rex.-2 x 10) take the form of GX İsit where x is measured in meters from the leading edge of...
(Re_x)_cr=5(10^5) au ar +0 ay au dy? Revie ди ar + =0 ду Water flows past...
(Re_x)_cr=5(10^5)
au ar +0 ay au dy? Revie ди ar + =0 ду Water flows past a flat plate of length L = 15 cm at U = 2 m/s. What is the disturbance thickness of the boundary layer at = 10 cm from the front of the plate? The properties of water are pw = 1000 kg/m” and Vw = 1x10-6 m/s Express your answer in mm to three significant figures. View Available Hint(s) 8 = 1.12 mm Submit...
(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)
Problem No-3: Air at 20 c(p-1.21kg/mH-38x107 kg.m/s) and with a free stream velocity o 40 m/s flows past a smooth thin plate which is 3-m wide and 10-m long in the flow direction. turbulent boundary layer from the leading edge determine: (a) the boundary layer thickness 6 m from the leading edge (b) the drag coefficient and drag force exerted by the fluid on the thin plate Take density 1.2 kg/m3 and kinematic viscosity as 1.49 x 10-s m'/s: (12p)...
QUESTION 2A (11 marks) [Allow 13 minutes] Water flows over a stationary, smooth, flat rectangular plate with dimensions 0.4 x 0.25m as shown in the figure below. The plate has its long axis parallel to the direction of flow 0.4 m U1 m/s 0.25 m Answer the questions below where the properties of the water are (p 1000 kg/m, v 106 m2/s): a) Determine the nature of the boundary layer over the plate if the approach velocity of the water,...
Please, I need the answer for this problem as soon as possible
with all the steps thanks
USE EES Air Flows over over a flat metal plate at a velocity of 10 m/s. The 3 (а) plate is 0.7 m long and at a temperature of 315 °C. What is the rate of heat transfer required to maintain the plate at 28°C. Assume flow is laminar over the ENTIRE wwwww PLATE 3(b) boundary layer thickness Now calculate the (i) the...
Question 7 Boundary Layers (8 marks) Air at 20°C flows at 9 m/s past a thin flat plate whose length is 2 m and width is 1.5 m. Determine the total drag on the plate. (5 marks) a) b) What is the boundary layer thickness at the trailing edge? (3 marks)
Heat Transfer
Please be neat and organized for a thumbs up!
Problem 3 Atmospheric air at T 300 K and a free stream velocity of u 10 m/s flows over a flat plate L = 2 m long that is maintained at a uniform temperature T-320 K. (a) Calculate the average heat transfer coefficient over the region where the boundary layer is laminar. What is the boundary layer thickness at this location? plate as well as the velocity boundary layer...
Air with a dynamic viscosity of 18.1 x 10 N m/s, a density of 1.2 kg/m' and a free stream velocity of 20 m/s flows over a 0.8 m long by 0.3 m wide flat plate. 20 m/s -0.5 m - -0.8 m a. Find the type of flow on flat plate based on Reynolds number b. Find the boundary layer thickness at distance of 0.5 m from the leading edge c. Find the wall shear stress at a horizontal...
Problem 1: In an experiment, Mercury at film temperature of 127 C flows over a flat plate of length 500 mm and width of 20 mm. Results reveal that the velocity boundary layer thickness at the distance of 5 mm from the leading edge is 0.4 pim, and also th convection heat transfer coefficients in the laminar and turbulent regions (Rex.-2 x 10) take the form of GX İsit where x is measured in meters from the leading edge of...
(Re_x)_cr=5(10^5)
au ar +0 ay au dy? Revie ди ar + =0 ду Water flows past a flat plate of length L = 15 cm at U = 2 m/s. What is the disturbance thickness of the boundary layer at = 10 cm from the front of the plate? The properties of water are pw = 1000 kg/m” and Vw = 1x10-6 m/s Express your answer in mm to three significant figures. View Available Hint(s) 8 = 1.12 mm Submit...
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