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Problem 5: 1) Determine the distance from the leading edge of a flat plate at which...
1) Determine the distance from the leading edge of a flat plate at which transition will...
1) Determine the distance from the leading edge of a flat plate at which transition will occur for each of the following fluids when u., = 2 m/s and film temperature of 127 C: atmospheric air, hydrogen and mercury. 2) Repeat the calculations for fluid film temperature of 177 °C.
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...
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.
Supplemental Problem 7.001 A flat plate of width 1 m is maintained at a uniform surface temperatu...
Supplemental Problem 7.001 A flat plate of width 1 m is maintained at a uniform surface temperature of Ts = 160°C by using independently of thickness a 12 mm and length b 50 mm. plate at a velocity of 30 m/s. The thermophysical properties of the module are k Reynolds number is 5x105 rectangular modules Each module is insulated from its neighbors, as well as on its back side. Atmospheric air at 25%C flows over the 5.2 w/m-K, cp320 J/kg...
Air at atmospheric pressure and temperature of 56 5 C flows with velocity of 0915 m/sec...
Air at atmospheric pressure and temperature of 56 5 C flows with velocity of 0915 m/sec along a flat plate which is kept at a uniform temperature of 121.C Determine the local heat transfe coefficient hx) at a distance of 0.61 meter from the leading edge of the plate and the t transfer coefficient h. over the length of 0to061m peer feet of plate width Air at average temperature has Pr 062, 00313 W/m. C and u 0.22310 m/se
3. Consider the following fluids at a film temperature of 300 K in parallel flow over...
3. Consider the following fluids at a film temperature of 300 K in parallel flow over a flat plate with velocity of 1 m/s: atmospheric air and mercury. a. For each fluid, estimate the velocity and thermal boundary layer thicknesses at a distance of 40 mm from the leading edge. (4 pts for each boundary layer thickness determination. Total 16 pts) At what distance from the leading edge, do the boundary layers of air and mercury transition to turbulence? (5...
Problem 3 (30 Points) Make a plot of v versus y at x 0.4 m from the leading edge of a flat plate ...
Problem 3 (30 Points) Make a plot of v versus y at x 0.4 m from the leading edge of a flat plate for laminar flow with all the appropriate boundary laver approximations. The freestream velocity is 0.8 m/s. Take the kinematic viscosity to be 10.05x10 m'/s and the density to be 998.2 kg/m3. These are properties for water.
Problem 3 (30 Points) Make a plot of v versus y at x 0.4 m from the leading edge of a...
Air at a temperature of 300 K flows over one side of a flat plate of...
Air at a temperature of 300 K flows over one side of a flat plate of width 1 m at a velocity of 20 m/s. The plate has a constant surface temperature of 350 K. Assume Re(x,c)=5x10^5. a) What is the velocity boundary layer thickness at the end of the plate if L=0.25 m? What if L=1 m? b) Calculate the drag on the plate if L=0.25 m. What is the drag if L=1 m? c) Find the heat transfer...
The top surface of a flat plate is maintained at a constant temperature of 115 °C....
The top surface of a flat plate is maintained at a constant temperature of 115 °C. Water at a temperature of 40 °C flows over the top surface. The temperature gradient at a particular location x-x1 from the leading edge of the plate has been experimentally determined to be -30 K/mm. For the top surface: a) Determine the local heat transfer coefficient at x =X1, (Note: For this application, material properties of the fluid are to be determined based on...
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...
1) Determine the distance from the leading edge of a flat plate at which transition will occur for each of the following fluids when u., = 2 m/s and film temperature of 127 C: atmospheric air, hydrogen and mercury. 2) Repeat the calculations for fluid film temperature of 177 °C.
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...
Supplemental Problem 7.001 A flat plate of width 1 m is maintained at a uniform surface temperature of Ts = 160°C by using independently of thickness a 12 mm and length b 50 mm. plate at a velocity of 30 m/s. The thermophysical properties of the module are k Reynolds number is 5x105 rectangular modules Each module is insulated from its neighbors, as well as on its back side. Atmospheric air at 25%C flows over the 5.2 w/m-K, cp320 J/kg...
Air at atmospheric pressure and temperature of 56 5 C flows with velocity of 0915 m/sec along a flat plate which is kept at a uniform temperature of 121.C Determine the local heat transfe coefficient hx) at a distance of 0.61 meter from the leading edge of the plate and the t transfer coefficient h. over the length of 0to061m peer feet of plate width Air at average temperature has Pr 062, 00313 W/m. C and u 0.22310 m/se
3. Consider the following fluids at a film temperature of 300 K in parallel flow over a flat plate with velocity of 1 m/s: atmospheric air and mercury. a. For each fluid, estimate the velocity and thermal boundary layer thicknesses at a distance of 40 mm from the leading edge. (4 pts for each boundary layer thickness determination. Total 16 pts) At what distance from the leading edge, do the boundary layers of air and mercury transition to turbulence? (5...
Problem 3 (30 Points) Make a plot of v versus y at x 0.4 m from the leading edge of a flat plate for laminar flow with all the appropriate boundary laver approximations. The freestream velocity is 0.8 m/s. Take the kinematic viscosity to be 10.05x10 m'/s and the density to be 998.2 kg/m3. These are properties for water.
Problem 3 (30 Points) Make a plot of v versus y at x 0.4 m from the leading edge of a...
The top surface of a flat plate is maintained at a constant temperature of 115 °C. Water at a temperature of 40 °C flows over the top surface. The temperature gradient at a particular location x-x1 from the leading edge of the plate has been experimentally determined to be -30 K/mm. For the top surface: a) Determine the local heat transfer coefficient at x =X1, (Note: For this application, material properties of the fluid are to be determined based on...
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...
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