Efficient separation of materials by size is critical in industries such as mining, recycling, and food processing. The vibrating flip-flow screen (VFFS) offers a unique approach, using flexible screen mats that vibrate and flex to improve particle movement and sorting. To evaluate and enhance its performance, a Finite Element Analysis (FEA) was performed to accurately predict the motion of the sy...
Controlling emissions while maintaining product quality is a key challenge in rotary kiln operations. During the combustion process in the kiln and preheat zone, high levels of NOx emissions can be generated, requiring optimization of burner design to meet environmental regulations. Using CFD simulations, combustion flame behavior, temperature distribution, kiln wall heat flux, and exit flue gas p...
In high-temperature boiler systems, headers serve as vital components for collecting and distributing steam and water, while stub headers act as crucial connecting channels to other boiler elements. These tubular structures are regularly exposed to cyclic thermal loading during cold, warm, and hot startups — making them vulnerable to thermal fatigue over time. To maintain long-term operational saf...
Enhancing the efficiency and durability of catalytic converters and combustion systems is critical for optimal plant performance. This case study showcases how Computational Fluid Dynamics (CFD) was used to improve flow distribution in catalytic converters, leading to better pollutant conversion. It also highlights the role of detailed combustion modeling in minimizing thermal stresses and prevent...
As a consultant in the area of Computational Fluid Dynamics, it is important to review the journey of the technology over last two decades. At Tridiagonal, we have been a part of this journey since 2006 and its fascinating to see the adoption of technology, its spread across industry verticals, use of high performance computing with public and private clouds, use of open source platforms, attempts...
Discover how advanced simulation helped eliminate wrinkles and tearing in complex sheet metal forming Stamping of sheet metal is a highly nonlinear and intricate process involving large deformations, contact interactions, and potential material failure. Ensuring proper die design and forming parameters is critical for optimal results. In this case study, Tridiagonal’s Finite Element Analysis (FEA)...
As LNG storage facilities grow in scale and strategic importance, their exposure to extreme external hazards like hurricane-borne missiles, debris impact, or blast loads has become a critical safety concern. Finite Element Analysis (FEA) offers a powerful solution to evaluate and enhance the structural integrity of large LNG tanks under rare but catastrophic scenarios and help assess the safety an...
Welding-induced residual stresses in pressure vessels pose significant risks—compromising structural integrity and leading to potential cracking under fluctuating pressure and thermal loads. This makes post-weld heat treatment (PWHT) a critical step in ensuring long-term durability. At Tridiagonal Solutions, our simulation experts developed a Finite Element Analysis (FEA) model that precisely capt...
This case study presents the structural analysis of pressure vessels to ensure safe and reliable operation under varying process conditions. Using advanced simulation techniques, the vessels were evaluated for stress distribution, deformation, and safety factors against operating loads and pressure fluctuations. The analysis helped in identifying critical stress regions, validating design integrit...
Efficient operation of a three-phase separator tank depends largely on how well the phases are separated under gravity. One of the most critical design factors influencing this process is the position and configuration of baffles, which directly affect flow distribution and separation efficiency. In this study, CFD simulations were performed to evaluate the effect of baffle placement and particle ...
Creating comfortable and healthy office spaces requires an HVAC design that balances air distribution with occupant load. Using Airpak simulations, airflow patterns and temperature distribution were analyzed to evaluate thermal comfort and indoor air quality in the workplace. The study provided insights into how air supply, circulation, and load variations impact comfort levels, helping identify d...
Managing flow behavior in cooling sumps is critical to avoid performance losses caused by eddies, vortices, and unwanted swirl formation. Using CFD simulations, the flow distribution and vortex locations inside a multi-chamber sump were analyzed to evaluate the limitations of the existing design.
CFD helps to determine Temperature & O2 distribution. Also to predict Residence time of the pollutants in high temperature & oxygen availability
Scaling up from a pilot reactor to a large-scale reactor often presents challenges in maintaining performance improvements. In this study, Computational Flow Modeling (CFD) was used to compare the flow behavior, mixing patterns, and overall performance of an existing pilot-scale test reactor with that of full-scale reactor designs.
Designing an efficient neutralization tank requires careful evaluation of mixing behavior and flow dynamics. In this project, a new impeller system along with optimized inlet and outlet configurations were developed and tested using CFD simulations. The focus was on studying flow patterns and assessing how acid mixing impacts key performance parameters.
Efficient gas cleaning is critical in many industrial applications, and cyclone separators are widely used to remove particulates from carrier gases. In this study, CFD simulations were carried out to evaluate cyclone separator performance under varying operating conditions. The analysis focused on how centrifugal forces drive particle separation and how different flow rates and loading conditions...
Ovalization of rotary cement kilns directly affects the structural integrity of the shell and the life of the refractory lining. Excessive ovality can cause premature refractory failure and impact overall kiln reliability. To address this, a Finite Element Analysis (FEA) was performed to evaluate the degree of ovalization in the kiln shell and benchmark it against allowable limits.
Efficient calcination is essential for stable kiln operation and product quality. The calciner, positioned in the riser duct between the kiln inlet and bottom stage cyclone, plays a critical role in distributing raw materials evenly to prevent accumulation and enhance residence time. Using CFD simulations, the combustion process was studied under conditions of kiln exhaust gas mixed with tertiary ...
Stents play a critical role in modern cardiovascular treatment by restoring blood flow in obstructed arteries without the need for invasive surgery. Once deployed, these tiny mesh tubes help keep the artery open, preventing future blockages. Understanding how blood behaves within these vessels is essential not just for mechanical performance, but also for improving drug delivery through drug-eluti...
This case study focuses on optimizing burner arrangements in a process heater using advanced simulations. By studying the behavior of velocity, pressure, and flue gas flow patterns, the analysis provided a clear understanding of how burner configuration influences heater performance and efficiency. The insights gained helped in identifying improved designs that enhance heat transfer, reduce energy...
In the fast-paced industrial landscape, the challenges faced by sectors such as oil and gas, crude refining, power generation, and cement manufacturing are immense. Tridiagonal has the key technological advancements that have revolutionized these sectors is the application of Fluid Structure Interaction (FSI) analysis.
FCC(Fluid Catalytic Cracking ) is a conversion process used in petroleum refineries to convert the high-boiling point, high-molecular weight hydrocarbon fractions of crude oil into gasoline and other petroleum products. A major player in (FCC) process technology approached Tridiagonal to access structural integrity of the FCC unit.
A critical concern for storage tank feed pipes is flow-induced vibration (FIV). This can occur when the liquid within the pipe rapidly vaporizes due to a pressure drop exceeding the liquid's vapor pressure.
Designing a Directional Solidification System (DSS) involves addressing the complex interaction between fluid dynamics, heat transfer, and crystal growth. In this study, advanced simulations were applied to evaluate critical phenomena influencing system performance, including phase change, unsteady multi-component flows, heat transfer with radiation, natural convection, and mild turbulence over th...
Static mixers (SMX) are compact and efficient devices, but they often face challenges such as ensuring uninterrupted mixing of viscous liquids, achieving uniform blending, and maintaining effective heat and mass transfer. To address these, CFD simulations were carried out to evaluate flow patterns and particle distribution in SMX mixers.
This case study demonstrates how Computational Fluid Dynamics (CFD) was applied to analyze the performance of an esterification reactor under its existing configuration. The simulations provided detailed insights into fluid flow patterns, particle trajectories, mixing efficiency, and circulation behavior within the reactor. Special attention was given to evaluating circulation time distribution (C...
This case study focuses on the simulation and evaluation of impeller designs in a polymerization reactor to improve overall performance. The existing impeller was modeled, and several alternative designs were developed and analyzed to understand their impact on mixing dynamics. Detailed plots of strain rate distribution and Particle Size Distribution (PSD) were generated to compare performance acr...
This case study highlights how CFD simulations were applied to improve the manufacturing process of ion exchange resins involving poly-dispersed bead sizes. The team analyzed the reactor’s operating conditions to understand how particle size distribution (PSD) affects strain rate distribution and mixing behavior. By simulating multiple design scenarios, it became possible to visualize performance ...
The performance of a dry powder asthma inhaler was evaluated using advanced CFD simulations. The study focused on an inhaler design that included an inner obstruction and a filter near the mouthpiece—two critical features influencing airflow and particle dynamics. By simulating real operating conditions, the analysis provided a detailed understanding of how these design elements impact overall inh...
A steady-state CFD simulation of a pharmaceutical batch reactor equipped with two 45° Pitched Blade Turbines (PBT) and a six-disk turbine was performed to evaluate power number and fluid phase mixing characteristics. The study provided insights into mixing efficiency, hydrodynamics, and energy requirements—helping optimize reactor performance for pharmaceutical applications. Download the full case...
