Flow Analysis & Simulation
Flow issues can critically affect the efficiency and reliability of your pipeline or installation. Dynaflow Research Group specializes in identifying and solving these problems, ensuring optimal operation throughout your system’s full performance envelope.
With years of expertise in fluid dynamics and state-of-the-art software tools, we offer comprehensive Flow Analysis solutions to enhance the design, improve performance, and safeguard the profitability of your systems.

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CFD simulations offer a detailed understanding of complex flow patterns within your systems, such as slug catchers, separators, and multi-phase flow lines. By using industry-leading tools, we provide accurate modeling of fluid behavior, ensuring that your system functions efficiently under a variety of operating conditions.
Benefits
- Enhanced flow distribution and performance.
- Reduced risk of slugging, erosion, or other flow disturbances.
- Optimized design for multi-phase flow equipment.

Surge Analysis addresses issues caused by pressure surges or water hammer, which can lead to severe mechanical damage in pipelines. Using our proprietary BOSfluids software, we simulate transient flow conditions, assess potential risks, and implement solutions to minimize unbalanced forces in your piping systems.
Benefits
- Prevention of damage due to sudden pressure changes.
- Extended lifespan of piping and equipment.
- Improved safety and operational reliability in high-pressure environments.

Flow disruptions can arise from various factors, such as valve malfunctions or blockages. Our Root Cause Analysis identifies the exact source of these issues using advanced diagnostics and simulations. This service allows you to resolve flow inefficiencies quickly and maintain uninterrupted operations.
Benefits
- Accurate identification and resolution of flow issues.
- Reduced downtime and maintenance costs.
- Long-term prevention of recurrent flow problems.

Pulsations in pipelines, particularly in multi-phase systems, can cause structural vibrations and mechanical failures. Through our pulsation studies, we analyze acoustic and mechanical vibrations to identify pulsation sources and provide mitigation strategies that enhance system safety.
Benefits
- Minimized risk of mechanical failure from pulsations.
- Reduced acoustic resonance and vibration in piping systems.
- Improved reliability and longevity of compressor and pump operations.

Projects

CFD Analysis of the Two-Phase Flow in the Finger of a Slug Catcher
The two-phase flow in a finger-type slug catcher is analyzed using CFD techniques to ensure stratified flow for liquid separation, employing Ansys CFX and OpenFOAM simulation tools.

CFD Analysis of the Flow Around a Butterfly Valve
The study analyzed flow around a butterfly valve using OpenFOAM to verify actuator sizing, focusing on torque-valve opening relationships, stationary flow behavior, and minimal piping influence on forces and moments.

CFD and Thermal Calculations of the Pre-heating of a Heat Exchanger
A CFD study using OpenFOAM predicted hot air velocity distribution in a heat exchanger to analyze thermal gradients between tubes, preventing buckling. Detailed thermal results were obtained via custom FEA software.

LNG Bunkering System: Surge Analysis
A surge analysis for a 600-meter LNG bunkering line was conducted to ensure safe operations, focusing on worst-case scenarios, surge mitigation strategies, and optimizing emergency valve and pump coordination.

Preventive Analysis Of A Fiberglass Ballast System On A Vessel
A surge and static stress analysis for an FRP ballast water system identified excessive surge pressures from rapid valve closures and layout rigidity causing stress issues. Flexibility improvements were recommended to prevent recurrence.

Analysis of a 1.6 km Long Jetty Pipeline
A jetty pipeline’s surge and dynamic stress analyses identified excessive stresses during transient upsets. Valve closure adjustments were proposed to mitigate unbalanced forces, ensuring compliance with design code limits.

Gas Compressor Station Assessment

Pipe Stress Analysis for an Oil and Gas Extraction Facility
DRG conducted static and dynamic pipe stress analyses for an oil and gas facility, resolving overstress issues via support modifications, rerouting, and flange upgrades, ensuring structural integrity and operational efficiency.

Pulsation Analysis for a Flow Station
DRG resolved vibration issues at a Nigerian Flow Station by conducting pulsation and mechanical response analyses, recommending support modifications to mitigate dynamic stresses, ensuring system reliability, and enhancing performance.

Vibration Analysis For Piping Connected To Hydrogen Compressors

Noise and Vibration Analysis of a Metering Skid
DRG’s noise and vibration analysis of a gas metering skid identified potential fatigue risks from acoustic resonance and vortex shedding. Recommendations on piping layout ensured compliance with industry standards and enhanced reliability.

Vibration Analysis of Hydrogen Cyanide (HCN) Line in Slug Flow Regime
DRG analyzed a water feed line in slug flow, identifying fatigue risks near the endurance limit. Support modifications reduced dynamic stresses, extended fatigue life, and improved system integrity for reliable HCN operation.