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.

Helyx GUI for CFD

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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
wastewater treatment reactor, parasitic chemical reactions, flow analysis, Computational Fluid Dynamics, CFD analysis, reactor mixing performance, air and wastewater inlets, reactor design optimization

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

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
Fiberglass root cause analysis

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
pulsation analysis, Dynamic Stresses due to pulsations and vibrations

Projects

computational fluid dynamics

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, computational fluid dynamics

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.

tube bundle, heat exchanger,

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_tanker_header

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.

static stress, surge analysis, fiberglas, ballast system on a vessel,

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.

Jetty pipeline assessment, Pressure surge analysis, Dynamic stress analysis

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, offshore compressor design, compressor unit analysis, Dynaflow Research Group, gas compression optimization, structural integrity assessment, piping thermal expansion, compressor nozzle evaluation

Gas Compressor Station Assessment

An offshore gas compressor station in Mexico underwent structural analysis by DRG, optimizing nozzle design, piping flexibility, and support layout to reduce stress, ensuring safe operation and enhanced system reliability.
pipe stress analysis, oil and gas extraction, engineering solutions, static and dynamic stress analysis, pipeline integrity, multiphase flow lines, equipment stress assessment, fitness for service assessment, pulsation study, flange load analysis

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.

compressors and pumps

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.

Piping connected to hydrogen compressor

Vibration Analysis For Piping Connected To Hydrogen Compressors

Visible vibrations in hydrogen compressor piping caused fatigue cracks in small-bore pipes. DRG’s analysis recommended support modifications and structural reinforcements to reduce vibrations, prevent fatigue, and ensure system reliability under thermal expansion.
gas metering skid, noise and vibration analysis, mechanical resonance assessment, acoustic resonance, CAESAR II, ASME B&PV code, VDI 3842, vortex shedding, fatigue failure, BOSfluids, piping model

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, slug flow regime, piping system, Hydrogen Cyanide (HCN), dynamic analysis, CAESAR II, support arrangement, structural failure, fatigue life, piping stress, dynamic stress reduction, pipeline integrity, support configuration

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.

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