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10 m 1 m 1 m/s I Figure 2 Electricity transmission tower Consider 2D, incompressible, steady flow in a vertical channel at a Reynolds number of 100. This channel flow is shown schematically in the figure below. The figure is not drawn to scale. NEGLECT GRAVITY for the sake of simplicity. Channel length 1 and width w are 10 m and 1 m, respectively, as shown in the figure. Assume thickness= 1 m in the z-direction. The velocity is constant at the inlet, in the y-direction and equal to 1 m/s. The Reynolds number is defined as Re pvw fl where v is the average velocity at any cross-section. Take p = 1 kg/m3 and adjust u to get the desired Reynolds number. The absolute pressure at the outlet is 1 atm. Note that the cross-section is a square of 1m by 1m. Contrast this to the laminar pipe flow considered earlier where the cross-section was circular. When the cross-section is square or rectangular, this type of a flow is referred to as a channel flow. When the cross-section is circular, the corresponding terminology is pipe or tube flow. Taske #1 You need to solve the 2D form of the governing equations using ANSYS Fluent to obtain the velocity and pressure distribution in the xy plane. Since we are assuming the flow is 2D, the mathematical model to be solved is 2D and there is no variation of velocity and pressure in the z-direction. In ANSYS Fluent, model only the right half of the 2D domain using symmetry. You need to follow a similar workflow to the laminar pipe flow module. Taske #2 Now, you need to iterate the solution with different meshing each time. • Suggest three different meshes. • Discuss the results. Make a verification.

10 m 1 m 1 m/s I Figure 2 Electricity transmission tower Consider 2D, incompressible, steady flow in a vertical channel at a Reynolds number of 100. This channel flow is shown schematically in the figure below. The figure is not drawn to scale. NEGLECT GRAVITY for the sake of simplicity. Channel length 1 and width w are 10 m and 1 m, respectively, as shown in the figure. Assume thickness= 1 m in the z-direction. The velocity is constant at the inlet, in the y-direction and equal to 1 m/s. The Reynolds number is defined as Re pvw fl where v is the average velocity at any cross-section. Take p = 1 kg/m3 and adjust u to get the desired Reynolds number. The absolute pressure at the outlet is 1 atm. Note that the cross-section is a square of 1m by 1m. Contrast this to the laminar pipe flow considered earlier where the cross-section was circular. When the cross-section is square or rectangular, this type of a flow is referred to as a channel flow. When the cross-section is circular, the corresponding terminology is pipe or tube flow. Taske #1 You need to solve the 2D form of the governing equations using ANSYS Fluent to obtain the velocity and pressure distribution in the xy plane. Since we are assuming the flow is 2D, the mathematical model to be solved is 2D and there is no variation of velocity and pressure in the z-direction. In ANSYS Fluent, model only the right half of the 2D domain using symmetry. You need to follow a similar workflow to the laminar pipe flow module. Taske #2 Now, you need to iterate the solution with different meshing each time. • Suggest three different meshes. • Discuss the results. Make a verification.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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10 m 1 m 1 m/s Figure 2 Electricity transmission tower Consider 2D, incompressible, steady flow in a vertical channel at a Reynolds number of 100. This channel flow is shown schematically in the figure below. The figure is not drawn to scale. NEGLECT GRAVITY for the sake of simplicity. Channel length 1 and width w are 10 m and 1 m, respectively, as shown in the figure. Assume thickness= 1 m in the z-direction. The velocity is constant at the inlet, in the y-direction and equal to 1 m/s. The Reynolds number is defined as Re . pvw fl where v is the average velocity at any cross-section. Take p = 1 kg/m3 and adjust μ to get the desired Reynolds number. The absolute pressure at the outlet is 1 atm. Note that the cross-section is a square of 1m by 1m. Contrast this to the laminar pipe flow considered earlier where the cross-section was circular. When the cross-section is square or rectangular, this type of a flow is referred to as a channel flow. When the cross-section is circular, the corresponding terminology is pipe or tube flow. [aske #1 You need to solve the 2D form of the governing equations using ANSYS Fluent to obtain the velocity and pressure distribution in the xy plane. Since we are assuming the flow is 2D, the mathematical model to be solved is 2D and there is no variation of velocity and pressure in the z-direction. In ANSYS Fluent, model only the right half of the 2D domain using symmetry. You need to follow a similar workflow to the laminar pipe flow module. Taske #2 Now, you need to iterate the solution with different meshing each time. Suggest three different meshes. Discuss the results. Make a verification.
Transcribed Image Text:10 m 1 m 1 m/s Figure 2 Electricity transmission tower Consider 2D, incompressible, steady flow in a vertical channel at a Reynolds number of 100. This channel flow is shown schematically in the figure below. The figure is not drawn to scale. NEGLECT GRAVITY for the sake of simplicity. Channel length 1 and width w are 10 m and 1 m, respectively, as shown in the figure. Assume thickness= 1 m in the z-direction. The velocity is constant at the inlet, in the y-direction and equal to 1 m/s. The Reynolds number is defined as Re . pvw fl where v is the average velocity at any cross-section. Take p = 1 kg/m3 and adjust μ to get the desired Reynolds number. The absolute pressure at the outlet is 1 atm. Note that the cross-section is a square of 1m by 1m. Contrast this to the laminar pipe flow considered earlier where the cross-section was circular. When the cross-section is square or rectangular, this type of a flow is referred to as a channel flow. When the cross-section is circular, the corresponding terminology is pipe or tube flow. [aske #1 You need to solve the 2D form of the governing equations using ANSYS Fluent to obtain the velocity and pressure distribution in the xy plane. Since we are assuming the flow is 2D, the mathematical model to be solved is 2D and there is no variation of velocity and pressure in the z-direction. In ANSYS Fluent, model only the right half of the 2D domain using symmetry. You need to follow a similar workflow to the laminar pipe flow module. Taske #2 Now, you need to iterate the solution with different meshing each time. Suggest three different meshes. Discuss the results. Make a verification.
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