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Flow Distribution in Catalytic Converter
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...
Solving Flow Challenges: Asphaltene Deposition Test Rig
Asphaltene deposition is one of the most persistent flow assurance challenges in the oil and gas industry. When crude oil components interact with precipitants such as n-alkanes (e.g., n-heptane, n-pentane, propane), asphaltenes precipitate, agglomerate, and diffuse toward pipe walls—leading to deposits, clogging, and ultimately reduced production. This problem has cost the industry billions in lo...
The Evolution of CFD: A Journey of Innovation, Integration, and Impact
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...
FEA of Sheet Metal Forming
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)...
Impact of Projectile on Storage Tank
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...
Sand Fines Erosion in Gas Pipelines - Experiments and CFD Modeling
Praveen G. Kumar; Byron R.J. Smith; Damodaran Vedapuri; Hariprasad J. Subramani; Lee D. Rhyne
Erosion prediction in pipeline elbow by coupling DEM with CFD
Atul Dubey; R.J. Byron Smith; Damodaran Vedapuri
Lessons learned from 150 Jet-Type Perforate, Wash and Cement Well Abandonment Operations
L Hovda, D Mueller, A Phadke, H Nevoey, P Gonuguntla SPE/IADC Drilling Conference and Exhibition, D011S009R002
Application of Computational Fluid Dynamics for Parametric Optimization of Jet-Type P/W/C Technique
Amal Phadke; Lars Hovda; Praveen Gonuguntla; Dan Mueller
Erosion of Mud Pulse Telemetry Tools: Numerical Simulation and Field Studies
Peng Yuan; Bo Yu; Herlene Solomon; Hao Zhang; John Stevens; Alberto Mezzatesta; Praveen Gonuguntla Paper presented at the SPE Middle East Oil & Gas Show and Conference, Manama, Kingdom of Bahrain, March 2017.
Performance Enhancement & Profitability Improvements of Refinery Operations Using 3-D Flow Modeling Techniques
Praveen Kumar, Amarvir Chilka and Damodaran Vedapuri,
Computational Approaches to Scale-up and Tech-Transfer in Agitated Filter Bed Drying
E Murphy, K Sinha, MM Boopathy, R Bharadwaj, VV Belekar, 2020 Virtual AIChE Annual Meeting
Big Data Analytics and Fundamental Modeling II
MM Boopathy, G Kasat, M Khan 2019 Spring Meeting and 15th Global Congress on Process Safety
Efficient Use of Computational Model Data Via Zonal Modeling
MM Boopathy, G Kasat, M Khan 2019 Spring Meeting and 15th Global Congress on Process Safety
Accelerated Process Innovation through Hybrid Computational Modeling
HB Namburi, A Goyal, T Suryawanshi, MM Boopathy 2017 AIChE Annual Meeting
A Comprehensive Dynamic Model for High-Pressure Tubular LDPE Reactors
M Mummudi, RO Fox Journal of the Chinese Institute of Chemical Engineers 37 (5), 413-430
Erosion in Under-Developed Multiphase Flows
D Vedapuri BHR North American Conference on Multiphase Production Technology, BHR-2014-D2
Sand Fines Erosion and Asset Integrity Management of Deepwater Gas Facilities Effect of Liquid Loading
HJ Subramani, LD Rhyne, PK Gonuguntla, VJ Subramani, D Vedapuri SPE Annual Technical Conference and Exhibition, D021S028R002
Characterization of Wet Gas Flows
HJ Subramani, K Sambath, LD Rhyne, P Nadge, D Vedapuri Offshore Technology Conference, D031S032R001
Liquid Metal Transportation Facility
Heavy metals like mercury often migrate from natural sources—such as source rocks, metal-rich fluids, and oil-producing organisms—and accumulate within oil and gas pipelines, especially in complex terrains. This build-up poses serious challenges including corrosion, flow assurance risks, and environmental hazards. Our Liquid Metal Transportation Facility enables a deep dive into these issues throu...
Checking Residual Stress Elimination after Post Weld Heat Treatment
Coupled transient thermal Structural Analysis of a pressure vessel is performed at welded location using FEA
Wax Deposition Testing Facility
TSPL's wax deposition flow loop is a hub of innovation, driving transformative research in multiphase flow dynamics. With advanced instrumentation and visualization capabilities, it provides crucial insights into wax removal mechanisms. Pioneering initiatives conducted within the loop, like self-pigging technology and wax inhibition proofs, lead to substantial cost savings and enhanced operational...
Sand Transportation Facility
Sand production from weak reservoirs is a persistent challenge in the oil and gas industry. When sand becomes entrained in crude oil, it often settles at the bottom of the pipeline, forming stationary beds that lead to serious operational issues—ranging from reduced production rates and excessive pressure drops to equipment failure, erosion, and corrosion. Our Sand Transportation Facility is purpo...
Sand Control Screen Erosion and Performance Testing
Tridiagonal Solutions offers dry gas and slurry erosion testing for downhole sand control screen coupon as well as 3D screen test fixtures of various types such as Premium Mesh, Wedge Wire, Ceramic coated screens etc. The results of erosion tests are being evaluated on basis of screen weight change data, flow performance data, Maximum Particle Pass, pin/filler gauge measurements and Microscopic/Li...
Sand Retention Testing
Effective sand control is critical for ensuring long-term well performance and minimizing damage to production equipment. Tridiagonal Solutions offers high-fidelity sand retention testing (SRT) to evaluate and select the most suitable sand screens tailored to your specific reservoir conditions. Our advanced SRT setup replicates formation-specific particle size distributions (PSDs), enabling accura...
Carbon Dioxide Hydrate Transport Test Facility
This multipurpose test facility is utilized to conduct a number of multiphase flow studies ranging from hydrate transport to liquid entrainment.
Erosion of Elbow and other pipe component Testing Facility
Industrial fluid systems, particularly those operating under high-velocity and abrasive conditions, place immense stress on essential components such as elbows, tees, reducers, and 3D pipe templates. Over time, this can result in significant erosion, jeopardizing equipment integrity, shortening component lifespan, and increasing operational risk. Tridiagonal Solutions offers a state-of-the-art Ero...
Field Scale Corrosion Testing
Corrosion, the gradual degradation of materials or metals due to chemical reactions with their environment, poses significant challenges in industries ranging from infrastructure and manufacturing to transportation and energy. To ensure the longevity and reliability of materials, it is essential to employ rigorous corrosion testing methods.
Structural analysis of Pressure Vessels
FE analysis as per ASME Sec-VIII Div-2
Three Phase Seperator tank
Analysis of the Separator Tank using CFD Modeling.
Pollutant Dispersion in Car Parking
Evaluating the ventilation rate and predicting the distribution of temperature and exhaust gas
Office Space Ventilation
Thermal comfort analysis is done using CFD, considering factors like temperature, Heat and humidity
Multi-chamber Cooling Sump
Evaluate ammonia injection system using Computational Fluid Dynamics
Solid-Waste incinerator
CFD helps to determine Temperature & O2 distribution. Also to predict Residence time of the pollutants in high temperature & oxygen availability
Refractory Anchor
Evaluating high-stress locations of Anchor supports against thermal loading
Pilot Scale Resin Reactor
Comparing the performance of the existing Pilot Scale test reactor and Large Scale reactors in order to scale up the performance improvement observed in Pilot Scale reactor using Computational Flow Modeling. (CFD)
CFD Analysis of a Neutralization Tank
Design new impeller system and other elements in the tank, further studying the flow profile and the effect of acid mixing on certain Parameters.
Evaluate kiln ovalization using FEA
Thermo-mechanical analysis is carried out in which temperature distribution is evaluated to determine the maximum allowable ovalization.
CFD modeling of Calciner
Providing guidelines to enhance the heat transfers with CFD analysis
CFD modelling of Drug Release through Stent
A stent is a device used to open obstructed blood vessels without the need for surgery. The Stent is expanded or deployed inside the artery thereby restricting it from reforming and obstructing. By analyzing the behavior of the blood flow inside the arteries, the drug that is released through the stent was modeled and the results from the paper were compared & validated.
Validating design of Separation solutions
Improving Process Heater Operations using Computational Fluid Dynamics Modeling
Process Heaters
Improving Process Heater operations using Computational Fluid Dynamics Modeling
Fluid Structure Interaction Analysis (FSI): Maximizing Efficiency and Safety in Critical Industries
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.
Assessment of FCC stripper vessel as per ASME SecVIII Div-2 code
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.
Liquid Flashing and Vibration in Storage Tank Feed Pipes
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.
Lab Scale Corrosion Testing
Corrosion, the gradual degradation of materials or metals due to chemical reactions with their environment, poses significant challenges in industries ranging from infrastructure and manufacturing to transportation and energy. To ensure the longevity and reliability of materials, it is essential to employ rigorous corrosion testing methods.
Control Valve Erosion Testing
In the oil and gas industry, gate control valves play a critical role in regulating flow within pneumatic conveying pipelines. However, these components are frequently exposed to erosive gas-solid flow environments, leading to gradual material loss, compromised sealing, and ultimately, system failure. Tridiagonal Solutions addresses this challenge through specialized Control Valve Erosion Testing,...
Automated Inflow Control Device Testing
Inflow Control Devices (ICDs) and Automated Inflow Control Devices (AICDs) are critical in enhancing well performance, balancing reservoir inflow, and minimizing unwanted fluid production. Tridiagonal Solutions offers a fully equipped testing facility designed to rigorously evaluate these devices under realistic wellbore conditions. Our testing portfolio includes cavitation testing, flow performan...
Liquid Entrainment and Jumper Study Flow Facility for Hydrate
This multipurpose test facility is utilized to conduct a number of multiphase flow studies ranging from hydrate transport to liquid entrainment. Hydrate mimic studies focus on understanding the impact of hydrate particles on flow regimes transitions and multiphase flow characteristics. Poly propylene particles are used as hydrate mimics. These particles float at the interface of oil and water. Liq...
Asphaltene Deposition Facility
Asphaltene deposition remains one of the most persistent flow assurance issues in oil and gas production. These complex, heavy organic molecules can quickly accumulate, clogging flowlines, damaging equipment, and significantly reducing production efficiency. The challenge? No single mitigation strategy works across all reservoirs or crude types. Asphaltene behavior is highly dependent on the oil's...
Directional Solidification
Directional Solidification System (DSS) was to be designed complex interaction between fluid dynamics and heat transfer and the crystal growth. Several challenges faced during complex formulation were phase change, Unsteady flow with multiple components, Heat Transfer with Radiation effects, Natural Convection over the melt surface, Mildly turbulent flows.
Burner shield to reduce soot buildup
DC Bookbinder, BL Harper, MB Mummudi-Boopathy, P Tandon US Patent 9,540,27
Limit based threshold estimation for prognostics and health management
S Ramaswamy, MM Boopathy US Patent 10,126,209
Behind casing wash and cement
R Watts, S Haavardstein, L Hovda, JC Stevens, D Mueller, B Borland, US Patent 11,136,86
Behind casing wash and cement
L Hovda, D Mueller, JC Stevens, A Phadke, P Gonuguntla US Patent 11,686,175
Behind casing wash and cement
R Watts, S Haavardstein, L Hovda, JC Stevens, D Mueller, B Borland, US Patent App. 18/116,744
Behind casing wash and cement
L Hovda, D Mueller, JC Stevens, A Phadke, P Gonuguntla US Patent App. 18/316,030
Behind casing cementing tool
L Hovda, JC Stevens, D Mueller, A Phadke, P Gonuguntla US Patent 11,879,305
Mixing Studies
Embark on a journey into the heart of our technological expertise, Mixing Facility. In the realm of the Chemical sector, optimizing tank configurations for increased yields is paramount. Challenges arise in determining the optimum configuration of mixing tanks, selecting the appropriate impeller type, impeller position, and impeller clearance to enhance yields through the mixing process without ge...
Development of Gas Void Fraction Sensor System
Understanding in situ gas volume fraction is critical for optimizing gas-liquid systems, especially in complex flow regimes. While overall gas holdup measurement is relatively simple, accurately capturing local gas holdup remains a significant challenge due to system opacity and noise interference.
Foam Transportation Loop
In the realm of multiphase flow dynamics, understanding the intricate behavior of foams is essential for numerous industrial applications, particularly in the oil and gas sector. Tridiagonal's Foam Transport Facility stands at the forefront of this research, providing a state-of-the-art platform designed to delve into the complexities of foam generation and breaking mechanisms. This facility featu...
Aeration and foaming during bottle filling
Aeration and foaming during the bottle filling process can lead to significant product losses, underfilling, and operational inefficiencies. This case study presents experimental investigations conducted to understand the fundamental mechanics of aeration and foaming under various liquid properties and operating conditions.
Coffee Bean Dryer
Project aimed to create an efficient drying process that would not burn the coffee beans. To achieve this, Tridiagonal created a computational fluid dynamics (CFD) model and conducted a pilot plant proof of concept at TRL-3.
Paraffin Wax Stripping in Field-Scale Pipelines
Paraffin wax deposition in pipelines is a persistent challenge in crude oil transport, affecting flow efficiency and increasing maintenance costs. This case study explores the effectiveness of paraffin wax stripping under various operational conditions using a full-scale experimental pipeline setup.
Sand Control Screen Erosion and Flow Performance
Effective sand management is critical to ensuring the longevity and performance of oil and gas wells. Uncontrolled sand production can cause severe erosion in downhole equipment, leading to increased OPEX/CAPEX and reduced well productivity. This case study focuses on evaluating the erosion resistance and flow performance of sand control screens—key to retaining formation particles while enabling ...
Multiphase & Single-Phase Flow Study for Sand Transport in Inclined Well
Understanding sand transport behavior in oil and gas wells is essential for designing effective sand management strategies. This case study presents a pilot-scale experimental loop designed to replicate wellbore conditions using tubular test sections with the same diameter as actual well designs, albeit at shorter lengths. The setup allows for both single-phase and multiphase flow studies to evalu...
Liquid metal Transport
Mercury contamination in oil and gas pipelines poses serious challenges—leading to pipeline corrosion and environmental hazards due to biomagnification in marine ecosystems. This case study investigates the gas-assisted transport of liquid heavy metals, like mercury, to enable effective removal from pipelines.
Erosion-Corrosion Testing
Erosion-corrosion experiments are pivotal for understanding the degradation processes in larger pipelines like 4-inch diameters, offering insights into the combined effects of both erosion and corrosion under real-world conditions. These insights are crucial for predicting and mitigating pipeline failures, guiding the development of robust materials and coatings, and optimizing maintenance strateg...
Erosion Testing Setup
Tridiagonal Organization specializes in providing innovative solutions for various industries, including Oil & Gas, Pet Chemicals, Pharma, Food, Metals & Mining, Cement, etc. In these industries, equipment such as SS elbows, tees, reducers, and 3D templates are subjected to harsh operating conditions, including high velocities of abrasive fluids, which can lead to erosion. Erosion is a cri...
Automated Inflow Control Device Erosion Test
In most oil well production, that comprises over more than one reservoir, the major problem encounters is the gas and water that also gets produced with oil. AICD plays an important role in oil production and injection by restricting the flow of unwanted fluids.
SMX Static Mixer
Static Mixers, a most compact mixing device poses few challenges like uninterrupted mixing of viscous liquids, blending and proper heat and mass transfer. CFD Simulations of SMX mixers were performed to understand the flow patterns and particle distribution on two SMX designs with different diameters which has helped to select the best mixer.
Esterification Reactor
Analysis of the performance of esterification reactor using Computational Fluid Dynamics (CFD) in terms of flow, mixing particle trajectories, circulation time distribution and residence time distribution for existing time configuration.
Impeller Design – PSD
The flow in the existing impeller was simulated, numerous designs of the impeller were evolved and critically studied, the strain rate and Particle size distribution (PSD) were plotted and studies for numerous designs of the impeller and the configuration with better PSD were suggested.
Polymerization Reactor
Suggesting suitable Design Modifications and tracking the strain rate distribution with respect to PSD, Boosting the overall performance of the Reactor
Neutralization Tank
Design new impeller system and other elements in the tank, further studying the flow profile and the effect of acid mixing on certain Parameters.
Asthma Inhaler
Performance characteristics of a dry powder asthma inhaler are analyzed through the use of CFD.
PBT Batch Reactor
A steady state simulation of a pharmaceutical batch reactor consisting of two 45 degree Pitched Blade Turbine (PBT) and a six disk turbine was carried out to estimate the power number and fluid phase mixing patterns.
Compressor Health Monitoring and Maintenance
Inability to detect and anticipate compressor performance issues can have detrimental effects, including unplanned shutdowns, revenue loss, and safety hazards.This use case aims to address these challenges by implementing comprehensive health monitoring and maintenance strategies for compressors. By leveraging advanced monitoring technologies, we can proactively identify potential issues, minimize...
Multiphase Flow Pattern and Screen Selection: Two Overlooked Parameters Essential to Reservoir Control Valve Optimizatio..........
CA Malbrel, R Kale, J Agarwal, K Gohari SPE International Conference and Exhibition on Formation Damage Control …
Carbon Dioxide Capture, Utilization, and Sequestration: Current Status, Challenges, and Future Prospects for Global Deca..........
S Nagireddi, JR Agarwal, D Vedapuri ACS Engineering Au
Insight into Parameters Influencing Wash Displacement Efficiency Through CFD Modeling
AC Phadke, L Hovda, P Gonuguntla SNAME 28th Offshore Symposium 14
Digitalise Process Assets for Improving Productivity: Enhance Process Insights, Metric and Parameters Via Simulations
P Dongaonkar, MM Boopathy, G Kasat, D Vedapuri, V Ranade, K Madane 2021 AIChE Annual Meeting
Developing a Digital Twin for the LB Bohle Tablet Coating Process
A Berchielli, I Anifowoshe, S Conway, P Doshi, N Hodgins, R Kamyar, ... 2020 Virtual AIChE Annual Meeting
Wax deposition testing in a large-scale flow loop
R Venkatesan, R Tanti, V Subramani, D Vedapuri, E Akparu, K Johnson BHR North American Conference on Multiphase Production Technology, BHR-2018-169