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Use Cases

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...

Blogs

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...

Blogs

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...

Use Cases

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)...

Use Cases

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...

Publications

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

Publications

Erosion prediction in pipeline elbow by coupling DEM with CFD

Atul Dubey; R.J. Byron Smith; Damodaran Vedapuri

Publications

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

Publications

Application of Computational Fluid Dynamics for Parametric Optimization of Jet-Type P/W/C Technique

Amal Phadke; Lars Hovda; Praveen Gonuguntla; Dan Mueller

Publications

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.

Publications

Performance Enhancement & Profitability Improvements of Refinery Operations Using 3-D Flow Modeling Techniques

Praveen Kumar, Amarvir Chilka and Damodaran Vedapuri,

Publications

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

Publications

Big Data Analytics and Fundamental Modeling II

MM Boopathy, G Kasat, M Khan 2019 Spring Meeting and 15th Global Congress on Process Safety

Publications

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

Publications

Accelerated Process Innovation through Hybrid Computational Modeling

HB Namburi, A Goyal, T Suryawanshi, MM Boopathy 2017 AIChE Annual Meeting

Publications

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

Publications

Erosion in Under-Developed Multiphase Flows

D Vedapuri BHR North American Conference on Multiphase Production Technology, BHR-2014-D2

Publications

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

Publications

Characterization of Wet Gas Flows

HJ Subramani, K Sambath, LD Rhyne, P Nadge, D Vedapuri Offshore Technology Conference, D031S032R001

Brochure

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...

Use Cases

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

Brochure

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...

Brochure

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...

Brochure

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...

Brochure

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...

Brochure

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.

Brochure

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...

Brochure

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.

Use Cases

Structural analysis of Pressure Vessels

FE analysis as per ASME Sec-VIII Div-2

Use Cases

Three Phase Seperator tank

Analysis of the Separator Tank using CFD Modeling.

Use Cases

Pollutant Dispersion in Car Parking

Evaluating the ventilation rate and predicting the distribution of temperature and exhaust gas

Use Cases

Office Space Ventilation

Thermal comfort analysis is done using CFD, considering factors like temperature, Heat and humidity

Use Cases

Multi-chamber Cooling Sump

Evaluate ammonia injection system using Computational Fluid Dynamics

Use Cases

Solid-Waste incinerator

CFD helps to determine Temperature & O2 distribution. Also to predict Residence time of the pollutants in high temperature & oxygen availability

Use Cases

Refractory Anchor

Evaluating high-stress locations of Anchor supports against thermal loading

Use Cases

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)

Use Cases

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.

Use Cases

CFD modeling of Kiln

Detailed mass and energy balance of the process

Use Cases

Evaluate kiln ovalization using FEA

Thermo-mechanical analysis is carried out in which temperature distribution is evaluated to determine the maximum allowable ovalization.

Use Cases

CFD modeling of Calciner

Providing guidelines to enhance the heat transfers with CFD analysis

Use Cases

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.

Use Cases

Validating design of Separation solutions

Improving Process Heater Operations using Computational Fluid Dynamics Modeling

Use Cases

Process Heaters

Improving Process Heater operations using Computational Fluid Dynamics Modeling

Blogs

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.

Use Cases

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.

Use Cases

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.

Brochure

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.

Brochure

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,...

Brochure

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...

Use Cases

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...

Brochure

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...

Use Cases

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.

Patents

Burner shield to reduce soot buildup

DC Bookbinder, BL Harper, MB Mummudi-Boopathy, P Tandon US Patent 9,540,27

Patents

Limit based threshold estimation for prognostics and health management

S Ramaswamy, MM Boopathy US Patent 10,126,209

Patents

Behind casing wash and cement

R Watts, S Haavardstein, L Hovda, JC Stevens, D Mueller, B Borland, US Patent 11,136,86

Patents

Behind casing wash and cement

L Hovda, D Mueller, JC Stevens, A Phadke, P Gonuguntla US Patent 11,686,175

Patents

Behind casing wash and cement

R Watts, S Haavardstein, L Hovda, JC Stevens, D Mueller, B Borland, US Patent App. 18/116,744

Patents

Behind casing wash and cement

L Hovda, D Mueller, JC Stevens, A Phadke, P Gonuguntla US Patent App. 18/316,030

Patents

Behind casing cementing tool

L Hovda, JC Stevens, D Mueller, A Phadke, P Gonuguntla US Patent 11,879,305

Use Cases

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...

Use Cases

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.

Use Cases

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...

Use Cases

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.

Use Cases

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.

Use Cases

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.

Use Cases

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 ...

Use Cases

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...

Use Cases

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.

Use Cases

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...

Use Cases

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...

Use Cases

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.

Use Cases

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.

Use Cases

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.

Use Cases

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.

Use Cases

Polymerization Reactor

Suggesting suitable Design Modifications and tracking the strain rate distribution with respect to PSD, Boosting the overall performance of the Reactor

Use Cases

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.

Use Cases

Asthma Inhaler

Performance characteristics of a dry powder asthma inhaler are analyzed through the use of CFD.

Use Cases

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.

Use Cases

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...

Publications

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 …

Publications

Insight into Parameters Influencing Wash Displacement Efficiency Through CFD Modeling

AC Phadke, L Hovda, P Gonuguntla SNAME 28th Offshore Symposium 14

Publications

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

Publications

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

Publications

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