HVAC of an Operating Room ANSYS Fluent CFD Simulation Tutorial
$140.00 Student Discount
- This problem simulates the HVAC of an operating room by ANSYS Fluent software.
- A linear flow called an air curtain prevents contaminated flow into the fresh air, as an HVAC system.
- The geometry of the present model is drawn by Design Modeler software.
- The model is then meshed by ANSYS Meshing software. The element number is equal to 4137570.
- The Species Transport model is used to analyze the behavior of different species.
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Description
HVAC of an Operating Room HVAC Description
This problem simulates the HVAC of an operating room by ANSYS Fluent software. We perform this CFD project and investigate it by CFD analysis.
In the present case, we model an operating room HVAC (heating, ventilation, and air conditioning). This room uses an air conditioning system to contain the equipment and persons, including the doctor and patient.
The system uses a laminar flow to purify the operating room’s air. A linear air curtain flow prevents contaminated flow into the fresh air. The source of the contaminants gases is assumed on the patient’s body. The inlet air moves from the top to the bottom of the operating room for the clearing process.
Then, it transfers contaminated gases and particles around the patient to the room’s corner. Air-curtain prevents polluted air from returning to the room. Eventually, the polluted air leaves the lower part of the room. The geometry of the present model is drawn by Design Modeler software.
This geometry is related to the hospital room with an HVAC system. The model is then meshed by ANSYS Meshing software. The model mesh is unstructured, and 4137570 cells have been created.
Method
The Species Transport model is generally used to analyze the behavior of different species simultaneously. Therefore, since the present model’s primary purpose is to investigate the distribution of pollutants, oxygen, nitrogen, and air humidity in the operating room space, this model should be used. Several gas species can be defined using this model as a set of transfer equations.
After applying the species transfer model, oxygen, nitrogen, vapor, and pollutant gases are determined.
HVAC of an Operating Room Result
After simulation, contours of velocity, pressure, temperature, and species mass fraction (including oxygen and contaminants) are obtained. Also, velocity vectors are provided in a 2D plane. The temperature contour indicates that the incoming airflow of the air conditioning system cools the air around the patient’s body with high heat.
So this system has succeeded in doing the cooling process properly. Velocity vectors show that fresh air flows from the panels on the ceiling into the room’s space and moves to the sides. This movement causes contaminants to spread to the patient’s surface.
The air curtain is then formed according to the mechanism of this type of system and prevents the return of pollutants to the patient’s body by creating a strong airflow. As a result, airflow circulates in the sides of the room and is directed towards the outlet panels.
In addition, the study of the contour mass fraction of contaminants shows that the behavior of pollutants is entirely consistent with velocity vectors. The air conditioning system (HVAC) properly removes contaminants from the patient’s body and directs them to the outside environment.
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Hazle Nikolaus –
This is awesome product! It shows how to do HVAC of operating room by ANSYS Fluent. Very important and hard topic. The product has both editable and ineditable files of geometry and mesh. Also has good training video that teaches all steps and settings of simulation. I think this product is great for learning CFD simulation.
MR CFD Support –
Thank you for your kind words and positive feedback. We are glad that you find our product awesome and useful. We provide both editable and uneditable files of geometry and mesh so that you can choose whether you want to use the original model or customize it yourself. We also provide a good training video that teaches all steps and settings of the simulation process, from geometry creation to post-processing. We hope our product can help you learn more about CFD simulation and improve your skills and knowledge.
Winifred Zboncak –
How many elements and nodes in mesh? has mesh good quality? Can I change mesh if I want? I want to buy this product, but I want to make sure mesh is good for my simulation goals. Thank you for help.
MR CFD Support –
Thank you for your interest in our product and your question about the mesh file. The mesh file contains about 4 million elements and nodes. The quality of the mesh is very good, as we used ANSYS Meshing software to generate a high-quality mesh for this complex geometry. You can check the quality of the mesh by using the Mesh Metrics tool in ANSYS Meshing software. You can also change the mesh if you want by using the Mesh Edit tool in ANSYS Meshing software. You can refine or coarsen the mesh, smooth or inflate the mesh, or modify the mesh topology as you wish. We hope that our product can meet your simulation goals and expectations.
Mr. Arnoldo Hayes –
I went and prepared this through the introduction of my colleague; it was a comprehensive training. Congratulations on your excellent site.
Pasquale Breitenberg MD –
Wow, this is very complete and detailed product. I like that you give both editable and ineditable files of geometry and mesh. This way, I can choose if I want to use original model or change it myself. The training video is also very clear and informative. It covers all steps and settings of simulation process. This product is worth the price.
MR CFD Support –
Thank you for your appreciation and recognition of our product. We are happy that you find our product complete and detailed.
Prof. Onie Purdy –
Can you give more examples or cases to simulation? Like different air flow rates, different temperature settings, different number of people in room, different types of surgeries, etc. I think this would make product more interesting and versatile. It would also let me compare and contrast different scenarios and outcomes. Thank you.
MR CFD Support –
Thank you for your suggestion and interest in our product. We appreciate your input and feedback on how to improve our product. We agree that giving more examples or cases to the simulation would make the product more interesting. you can also contact us in order to assist you modeling and simulating different condition’s effect in the solution.
Dr. Virgil Brakus II –
thanks Mr-CFD
Melvina Collier –
wonderful