You are employed as a mechanical engineer within an unnamed research center, specializing in the developmentof innovative air conditioning systems. Your division is tasked with providing computer-based modeling anddesign solutions using computational fluid dynamics through ANSYS software. Your primary responsibilitiesinvolve the analysis of horizontal channel dynamics to meet specific criteria. Under the guidance of yourimmediate supervisor, you have been assigned unique responsibilities within an ongoing project. As a member ofthe research team, your role includes constructing an appropriate model and executing a sequence of simulationiterations to explore and enhance channel performance. Figure 1 provides a visualization of the horizontal channelunder consideration. Consider 2D, incompressible, steady flow in a horizontal channel at a Reynolds number of150. The schematic below illustrates the channel flow, not drawn to scale. For simplicity, neglect gravity. Thechannel's length and width are 15 m and 1.5 m, respectively, as shown in the figure. Assume the thickness is equalto 1.5 m in the z-direction. The velocity is constant at the inlet in the x-direction and equal to 1.5 m/s. The Reynoldsnumber is defined as Re = where v is the average velocity. Take p = 1.2 kg/m³ and adjust u to get thedesired Reynolds number. The absolute pressure at the outlet is 1 atm.μInlet Velocity1.5 m/s15 m1.5 mXFigure 1 visualization of the horizontal channel.You need to solve the 2D form of the governing equations using ANSYS Fluent to obtain the velocity and pressuredistribution in the xy plane. Since we are assuming the flow is 2D, the mathematical model to be solved is 2D andthere is no variation of velocity and pressure in the z-direction. What to submit?1. Set up a CFD simulation for the horizontal channel by Ansys Fluent.2. Define the geometry, boundary conditions, and fluid properties.3. Run the simulation and analyze the pressure and velocity distributions within the channel.4. Iterate the solution with varying mesh configurations, suggesting three distinct meshes, and discussing theresults.5. Provide recommendations for improving the efficiency of the simulation.6. Document the simulation process, results, and your analysis.7. Make a verification.8. Discuss the importance of CFD in assessing fluid flow characteristics.

DefinitionCFD simulation:Computational Fluid Dynamics, which is said to be CFD. This is a numerical…

1. Set up a CFD simulation for the horizontal channel by Ansys Fluent. 2. Define the geometry, boundary conditions, and fluid properties. 3. Run the simulation and analyze the pressure and velocity distributions within the channel. 4. Iterate the solution with varying mesh configurations, suggesting three distinct meshes, and discussing the results. 5. Provide recommendations for improving the efficiency of the simulation. 6. Document the simulation process, results, and your analysis. 7. Make a verification. 8. Discuss the importance of CFD in assessing fluid flow characteristics.

1. Set up a CFD simulation for the horizontal channel by Ansys Fluent. 2. Define the geometry, boundary conditions, and fluid properties. 3. Run the simulation and analyze the pressure and velocity distributions within the channel. 4. Iterate the solution with varying mesh configurations, suggesting three distinct meshes, and discussing the results. 5. Provide recommendations for improving the efficiency of the simulation. 6. Document the simulation process, results, and your analysis. 7. Make a verification. 8. Discuss the importance of CFD in assessing fluid flow characteristics.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Fluid Kinematics

The branch of science that deals with objects which are either in motion or stationary are studied under the branch of classical mechanics. Fluid mechanics is a subcategory of classical mechanics that deals with the behavior of fluids at rest (fluid statics) or in motion (posing some velocity). In fluid kinematics, studies focus on the associated motion of fluid particles or groups of particles, and its associated parameters like displacements, velocity, and acceleration without concerning about the forces that caused the motion. All the laws of classical mechanics are applied in the study of fluid kinematics.

Question

You are employed as a mechanical engineer within an unnamed research center, specializing in the development
of innovative air conditioning systems. Your division is tasked with providing computer-based modeling and
design solutions using computational fluid dynamics through ANSYS software. Your primary responsibilities
involve the analysis of horizontal channel dynamics to meet specific criteria. Under the guidance of your
immediate supervisor, you have been assigned unique responsibilities within an ongoing project. As a member of
the research team, your role includes constructing an appropriate model and executing a sequence of simulation
iterations to explore and enhance channel performance. Figure 1 provides a visualization of the horizontal channel
under consideration. Consider 2D, incompressible, steady flow in a horizontal channel at a Reynolds number of
150. The schematic below illustrates the channel flow, not drawn to scale. For simplicity, neglect gravity. The
channel's length and width are 15 m and 1.5 m, respectively, as shown in the figure. Assume the thickness is equal
to 1.5 m in the z-direction. The velocity is constant at the inlet in the x-direction and equal to 1.5 m/s. The Reynolds
number is defined as Re = where v is the average velocity. Take p = 1.2 kg/m³ and adjust u to get the
desired Reynolds number. The absolute pressure at the outlet is 1 atm.
μ
Inlet Velocity
1.5 m/s
15 m
1.5 m
X
Figure 1 visualization of the horizontal channel.
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.

What to submit?
1. Set up a CFD simulation for the horizontal channel by Ansys Fluent.
2. Define the geometry, boundary conditions, and fluid properties.
3. Run the simulation and analyze the pressure and velocity distributions within the channel.
4. Iterate the solution with varying mesh configurations, suggesting three distinct meshes, and discussing the
results.
5. Provide recommendations for improving the efficiency of the simulation.
6. Document the simulation process, results, and your analysis.
7. Make a verification.
8. Discuss the importance of CFD in assessing fluid flow characteristics.

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