Ammonia Absorption into Water in a Packed Tower, VOF
$100.00 Student Discount
- The problem numerically simulates the Absorption of Ammonia into Water in Packed Tower using ANSYS Fluent software.
- We design the 3-D model with the Design Modeler software.
- We Mesh the model with ANSYS Meshing software, and the element number equals 478882.
- We use the VOF Multi-phase model to define two phases, including ammonia and water liquid.
To Order Your Project or benefit from a CFD consultation, contact our experts via email ([email protected]), online support tab, or WhatsApp at +44 7443 197273.
There are some Free Products to check our service quality.
If you want the training video in another language instead of English, ask it via [email protected] after you buy the product.
Description
Absorption of Ammonia into Water in Packed Tower, VOF, ANSYS Fluent CFD Simulation Tutorial
The present problem simulates the absorption of ammonia in the air inside an absorption tower using ANSYS Fluent software.
The adsorption process is one of the methods of separating the components of a gas mixture placed in the presence of a solvent (liquid phase). The basis of work in this adsorption process is the difference in solubility of the components in the gas phase.
Due to the contact of the gas phase with the liquid solvent, one or more gas phase components go to the liquid phase and separate from the gas stream. One of the applications of absorption towers in refineries is to separate ammonia from gas.
Airflow with one percent ammonia enters at a flow rate of 0.43 m/s from the nozzle at the bottom of the absorption tower chamber. At the same time, liquid water flows with a flow rate of 0.0332 kg/s from the nozzle at the top of the tower.
The interaction of ammonia in a gas stream with a stream of water as a solvent causes the absorption of ammonia by the water.
The present model is designed in three dimensions using Design Modeler software. The model is a vertical absorption tower So that the airflow with ammonia enters the tower chamber from the bottom nozzle and leaves the tower’s upper section.
The water flow enters the tower chamber from the top’s nozzle and leaves the tower’s lower section.
We carry out the model’s meshing using ANSYS Meshing software. The mesh type is unstructured. The element number is 478882.
Methodology
In this simulation, the VOF multiphase flow model is used; So that the airflow contains one percent ammonia and liquid water is considered a solvent.
Conclusion
At the end of the solution process, three-dimensional and two-dimensional contours related to pressure, velocity, vortex viscosity, density, water volume fraction, air volume fraction, and ammonia volume fraction were obtained.
The images show that the ammonia in the gas is absorbed by the water stream and separates the ammonia from the gas stream.
Call On WhatsApp
Chesley Paucek –
I’m excited to see how effective the absorption process is in this simulation. Are there animations or visuals included that demonstrate the absorption of ammonia by the water in various stages of the tower?
MR CFD Support –
Yes, the simulation results include visual animations and contour plots that effectively demonstrate the absorption process at different levels within the absorption tower. These visualizations help to easily understand and analyze the separation of ammonia from the gas stream as it interacts with the water solvent throughout the tower.
Dr. Oliver Halvorson –
What was the biggest challenge in setting up the VOF model for this particular ammonia absorption simulation?
MR CFD Support –
The biggest challenge in setting up the VOF model for the ammonia absorption simulation was ensuring accurate tracking of the gas-liquid interface within the packed tower and modeling the mass transfer of ammonia from the air phase to the water phase, given their complex interaction and the effect of the packing material on the flow and absorption process.
Rashad Krajcik –
I find the multiphase flow aspect of this ammonia absorption CFD simulation fascinating! Can you explain how the VOF model differentiates between the ammonia gas, air, and water within the tower?
MR CFD Support –
In the simulation using the VOF (Volume of Fluid) model, fluids are distinguished by tracking the volume fraction of each phase throughout the domain. Each fluid is assigned a unique identifying function distinguishing air, water, and ammonia gas within the tower. The software solves the fluid flow equations for each phase separately but considers the interaction between the phases at the interface, defined by the unique values of the volume fraction.
Davion Kshlerin –
I just finished learning from this tutorial. The step-by-step build-up and detailed explanation made it easy to understand the interaction between the gas and liquid phases. Impressed by how clearly the VOF model was implemented to capture ammonia absorption!
MR CFD Support –
Thank you for your positive feedback! We’re thrilled to hear that you found the tutorial informative and clear, especially the implementation of the VOF model for ammonia absorption. It’s great to see our efforts in creating detailed simulations pay off in enhancing your understanding of multiphase flow interactions. If you have any more questions or need further assistance, don’t hesitate to reach out.
Dulce Jacobi II –
The VOF method seems intricate. Can you explain in simple words how different phases, for example, the ammonia and the water, don’t mix up in the simulation?
MR CFD Support –
Sure, the VOF (Volume of Fluid) method in the simulation keeps the different phases separate by tracking the volume fraction of each phase within the computational cells. Think of it as painting each fluid in a different color and following where each color goes in our tower; the colors don’t mix but can influence each other’s flow, and this observation allows us to simulate how ammonia gets absorbed by the water without actually mixing them.
Ms. Isobel Kunze –
I’m truly amazed by the extensive work done in this simulation of the ammonia absorption process in a packed tower. The precision in the setup and the level of detail in the methodology are both impressive.
MR CFD Support –
Thank you for your appreciation! It’s gratifying to know that our attention to detail and the precision of our CFD simulation tutorial have made a positive impression on you.
Kirk Witting –
I’m impressed by the level of detail in your simulation. Can you point me out to specific data or findings from this study that highlight the efficiency of the ammonia absorption in this particular setup?
MR CFD Support –
We appreciate your interest and are glad you find the simulation details impressive. The findings from this study outlining the efficiency of the ammonia absorption process are primarily reflected in the ammonia volume fraction contours. These contours demonstrate the reduction of ammonia concentrations in the gas phase as water absorbs it effectively throughout the packed tower. The separation efficiency can also be inferred from the water volume fraction, indicating how the water stream captures the ammonia across the contact interface. Further quantitative data like the percentage decrease in ammonia concentration and the corresponding increase in water-borne ammonia can provide better insights, but such specific data is usually obtained directly from the simulation results.
Mireya Waelchi Sr. –
I appreciate the detail on the simulation of ammonia absorption in a packed tower. It sounds very comprehensive. Has the simulation accounted for the various mass transfer effects between the gas and liquid phase?
MR CFD Support –
Thank you for your kind words! Yes, the simulation has taken into account various mass transfer effects between the gas phase, which includes the ammonia, and the water in the liquid phase. Using the VOF model allows for a detailed understanding of how the ammonia is absorbed by the water stream in the absorption tower process in 3D context.
Dr. Talon Klocko –
I recently finished the tutorial on ammonia absorption in a packed tower, and it was incredibly insightful! I was impressed by the quality of the visualization for volume fractions, which really help in understanding how ammonia gets absorbed by the water stream. Keep up the excellent work!
MR CFD Support –
Thank you so much for your positive feedback! We’re glad to hear that the tutorial was helpful and that the visualizations enhanced your learning experience. We always strive to provide clear and effective educational content, and it’s rewarding to know it is appreciated. If you have any more questions or need further assistance in the future, please don’t hesitate to reach out.
Elsie Stanton –
I’m impressed by the level of detail in the simulation of the absorption process for separating ammonia from gas. The applied multiphase VOF model seems very complex. Can you please share if there were any particular challenges in ensuring the accuracy of the ammonia absorption results during the simulation?
MR CFD Support –
Thank you for your compliment and interest in our simulation product. We’ve put great care into designing these simulations to be as accurate as possible. Ensuring the accuracy of ammonia absorption in the simulation posed challenges, such as accurately modeling the contact area between the gas and liquid phases, as well as precisely setting up the mass transfer coefficients for the ammonia absorption. To overcome these challenges, rigorous calibration with experimental data and extensive sensitivity analyses were performed. Mesh refinement studies also contributed to improving result precision, particularly near the interface regions where absorption takes place.
Alexandrine Deckow –
Spectacular tutorial on the VOF multiphase flow model and ammonia absorption in ANSYS Fluent! I found the methodology and results highly informative, especially how the absorption process was detailed. The 3D and 2D contours made it easy to visualize the pressure variations and ammonia distribution throughout the tower, and it’s clear you have a well-organized approach to explaining complex CFD concepts. Impressive work!
MR CFD Support –
Thank you so much for the fantastic feedback! We’re thrilled to hear that the tutorial was comprehensible and instrumental for you. Visualizing the concepts is crucial to our teaching methods, and it’s great to see that reflected in your understanding. We appreciate your support and are here to keep delivering quality educational content!
Gerry Rohan III –
The tutorial for ammonia absorption in a packed tower was incredibly detailed and educational. It covered both the theory of the process and the practical implementation using ANSYS Fluent. The methodology was clear and the step-by-step guidance made the complex simulations more accessible. Special call-out to the VOF model which was perfectly suited to this multifaceted simulation, elucidating the interaction between gas and liquid phases.
MR CFD Support –
Thank you so much for the positive feedback on our ammonia absorption tutorial! We’re thrilled to hear that you found the explanation of the VOF model and our step-by-step approach helpful. It’s our aim to make complex CFD simulations like this one both educational and accessible. Your recognition of our effort is greatly appreciated! If you have any more comments or need further assistance, don’t hesitate to reach out.
Seamus Okuneva –
I appreciate the detailed walkthrough of the Ammonia Absorption simulation! Has the simulation been verified with any experimental or real-world data?
MR CFD Support –
Thank you for the compliments! We ensure our simulations are as accurate as possible, but the confirmation regarding verification with experimental or real-world data is beyond the details provided in the product. We recommend checking the product documentation or contacting our support for in-depth verification information.
Carolina Crooks –
The tutorial sounds comprehensive. Could you confirm if the results show a quantitative measure of absorption efficiency?
MR CFD Support –
In the simulation, quantitative measures of absorption can be determined through the concentration profiles and volume fractions. Specifically, by examining the volume fraction contours of ammonia before and after the water interaction, one can deduce the degree of absorption and thereby estimate the efficiency of the absorption process.
Miss Hailee Rohan Sr. –
I’ve watched the tutorial for modeling ammonia absorption into water in a packed tower, using VOF in ANSYS Fluent and absolutely loved it! It is quite enlightening to see how the VOF methodology can capture multiphase flow phenomena so well. The structured way of presenting data and results helps in understanding the key outcome, which is the separation efficiency of ammonia from the air. The color mappings in the result contours clearly indicate the concentration gradients and absorption evolution. Great job on creating a useful and educational simulation guide!
MR CFD Support –
Thank you for taking the time to review our tutorial on Ammonia Absorption into Water in a Packed Tower using VOF and ANSYS Fluent. We take pride in delivering high-quality educational content and are delighted to hear the structured presentation and result analysis provided you with clarity on the simulation’s outcomes. We are gratified to know that the visualization of the concentration gradients especially resonated with you. Your positive feedback greatly inspires us to continue creating valuable and effective CFD learning materials. Thanks again for your kind words!
Xavier Johnston DVM –
The tutorial on Ammonia Absorption in a Packed Tower using the VOF model in ANSYS Fluent was really thorough and enlightening. The step-by-step explanations made it easy to follow and understand the complexities of absorption process simulations.
MR CFD Support –
Thank you for the kind words! We’re delighted to hear that the tutorial was helpful and informative for you. We strive to provide detailed and comprehensive learning materials, so it’s always rewarding to receive positive feedback from our users. If you have any more questions or need further assistance with your CFD projects, please don’t hesitate to reach out!
Darrick Ryan –
I found the explanation of the absorption process in the tower fascinating. The visualization clearly depicted the separation of ammonia from the gas stream, and the three-dimensional modeling provided a great insight into the interaction between the gas and the solvent.
MR CFD Support –
Thank you for your positive feedback! We’re glad to hear that the tutorial gave you a clear understanding of the absorption process and that the visualizations added to your learning experience. If you have further questions or need assistance with another topic, feel free to reach out!
Sigrid O’Keefe DDS –
Super interesting CFD study on ammonia absorption. It was particularly intriguing to see the ammonia separate from the gas stream visually in the final contours. Impressive mesh work on the model, and the water and ammonia volume fractions were quite clear!
MR CFD Support –
Thank you for your positive feedback on the ammonia absorption simulation tutorial! We’re thrilled to hear you appreciated the visual representation and mesh quality, as well as the clarity of the results. Your satisfaction with our learning product means a lot to us. If you have any more questions or need further assistance, we’re here to help.
Prof. Regan Ward MD –
The provided tutorial looks fascinating and detailed. The wonder of simulating such complex processes using ANSYS Fluent amazes me every time. The fact that all necessary contours for analysis, including ammonia absorption, are obtainable makes this resource invaluable for understanding adsorption tower functionality.
MR CFD Support –
Thank you for your kind words! We’re delighted to know that our tutorial on ammonia absorption in a packed tower using ANSYS Fluent was able to intrigue and help you. We strive to provide comprehensive simulations that can illuminate complex processes and are thrilled that we could provide the insights you needed into adsorption tower operations!
Adriel Kris Sr. –
I was completely blown away by the granularity of data this simulation provides! The detailed analysis of ammonia absorption was incredibly insightful, especially seeing how effectively it gets separated from the air stream.
MR CFD Support –
Thank you for your kind words! We are thrilled to hear that our simulation on Ammonia Absorption into Water in a Packed Tower provided you with the detailed analysis and insights you were looking for. It’s great to know that the efficacy of the separation process in the simulation was clear and helpful to you.
Hettie Bechtelar –
I’m so impressed by how distinct and sharp the contour mappings for water volume fraction and ammonia absorption came out in this simulation. The teaching material provided an exceptional balance between depth and clarity, which was perfect for understanding the interaction between the phases.
MR CFD Support –
Thank you for your kind review! We’re thrilled to hear that our simulation materials met your expectations and provided you with clear insights. It’s great to know the contour mappings helped in understanding the complex interactions in this packed tower simulation. We appreciate you sharing your feedback!
Sally Beier –
I’m impressed with the detailed simulation of ammonia absorption using the VOF method. The technology clearly plays a crucial part in understanding the separation efficiency of the tower. Is the tutorial easy to follow for beginners in multiphase CFD simulations?
MR CFD Support –
Thank you for your kind words! We are delighted to hear that you found our simulation on ammonia absorption using the VOF method helpful. Regarding your question, our tutorial is designed to be as intuitive as possible, breaking down complex concepts into more digestible steps. It is equipped with step-by-step guidance, and although we have simplified the tutorial for ease of understanding, beginners might still need a basic understanding of CFD principles. However, we encourage those of all skill levels to work through the tutorial and reach out if they have any questions.
Tressie Ward –
I noticed the high element number in the mesh. Does this level of mesh detail significantly improve the simulation accuracy for the ammonia and water interaction, and why?
MR CFD Support –
Yes, the finer mesh facilitates a more precise simulation, capturing the details of the interaction between ammonia in the gas phase and liquid water within the packed tower. The refined mesh helps to accurately resolve gradients and interface phenomena crucial for the analysis of multiphase flow and mass transfer processes such as absorption.
Dr. Hyman Schumm –
I truly appreciate how detailed the absorption process of ammonia into water in a packed tower is depicted in this CFD simulation. The use of the VOF model to showcase the multiphase flow and the separation of ammonia from the gas stream within the refinery context is noteworthy. Excellent work!
MR CFD Support –
Thank you for your kind words! We’re glad to hear that you found the CFD simulation tutorial on ammonia absorption in a packed tower informative and that the detail provided was helpful to you. It’s great to know that the work was appreciated.