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Use DRG cloud licenses: Work more effective from home! During these Covid-19 times many people are working remotely. Software programs which rely on physical devices
24 April 2020
Use DRG cloud licenses: Work more effective from home! During these Covid-19 times many people are working remotely. Software programs which rely on physical devices
Static equipment and piping are designed for a certain design life, often 25 years. During this prolonged use, the material may deteriorate even when the
A detailed Surge analysis leads to a more economic system design compared to a Joukowsky estimate Performing a surge analysis is important to study the
Dynaflow Research Group has a long history in solving advanced flow problems using Computational Fluid Dynamics (CFD) techniques. CFD is applied to a wide range
Safety Factors in Fiberglass Engineeringby Mick Bouman (Fiberglass Engineering) For a pipe system or an individual component an engineer must always verify whether the strength
Dynaflow Research Group regularly hosts technical webinars. These webinars, which are FREE to watch, are recorded and made available online through our YouTube channel. A
Starting February 11th 2020, our Software Director Erik Jan Lingen together with Matthias Möller from the Faculty of Mathematics will present a course (WI4265TU) on
Upcoming week February 11-13, Dynaflow hosts its latest Fiberglass Engineering training course. During this course participants receive a good understanding of the GRP specific mechanical
Dynaflow Research Group (DRG) has recently been accredited with the quality management standard NEN-EN-ISO 9001:2015. Today, Niels Bos from Dynaflow Research Group received the official ISO9001 certificate from Vincent
There has been a demand for Online FEPipe and NozzlePRO training courses for many years. We are happy to announce that next month we will
For the last couple of months DRG is expanding its training activities online in association with the e-learning platform EngineeringTrainer.com. Our newest online course regards
Besides classroom courses taught at our offices in The Netherlands, The Middle-East or at client premises, we are expanding our training portfolio with online courses.
DRG hosting the ISO/TC 138/SC 6 and WG’s meetings Zoetermeer, 17, 18 and 19 September DRG is hosting the 3-day ISO/TC 138/SC 6 and WG’s
Tuning a beam type FEA model to vibration measurements from the piping of a reciprocating compressor plant Vibrations had been seen in the piping of
DRG presents at the Dutch OpenFOAM User’s Group 2018 DRG is actively involved in the research and application for Computational Fluid Dynamics (CFD) and Discrete
API 674 Acoustical study, some differences between design approach 1 (DA1) and design approach 2 (DA2) When purchasing or delivering a reciprocating pump an API674
Recently in the fall of 2017 a renewed edition of the ISO14692, the governing standard for fiber reinforced plastic piping, was officially released. The objective
B31J: The answer to Markl’s 1950’s flexibilty factors The new 2017 ASME B31J Up to recent years most pipe flexibility analyses and more specifically Caesar
DFC2017 keynote: Simulation requirements for oil and gas transport in pipeline systems Presentation by Prof. dr. ir. Ruud A.W.M. Henkes (Shell Projects and Technology/Delft University
DFC2017 abstracts: Efficient Industrial Conjugate Heat Transfer in HELYX v3 Presentation by Dr. Eugene de Villiers PhD. MSc. DIC (Engys UK) DRG is proud to
DRG at the Multiphase Production Technology 2017 Conference Cannes 7-8-9 June 2017 in Cannes, France In the first week of June 2017, DRG attended the
Table of Contents A Good GRP Code Covers a Large Variety of Products and Loading Conditions A robust Glass Reinforced Plastic (GRP) piping code must
Thermal bowing is a structural phenomenon that arises when a temperature gradient exists across the cross-section of a pipe or vessel. In typical pipe design,
Table of Contents As the demand for flexible, energy-efficient, and reliable compressor operation grows—particularly in hydrogen and process gas applications—our clients increasingly turn to stepless
Table of Contents Multiphase flow is a recurring challenge in process engineering, where multiple fluid phases—such as gases, liquids, or solids—interact within a single flow
In the chemical and energy industries, liquid products such as LNG, ammonia, or naphtha are commonly transferred between ships and onshore storage tanks. These transfers
In the engineering domain, accurately simulating transient events in pipeline systems is critical, particularly for essential safety mechanisms such as firewater systems. These systems, typically
Introduction Pressure vessels are critical components in a wide range of industries, including power generation, petrochemical processing, and industrial manufacturing. These vessels are designed to
When Theodor von Kármán first discovered vortex shedding in 1911, he likely had no idea how pivotal his work would become for modern engineering, particularly
In a previous article, we introduced the risks and design considerations of repurposing an existing natural gas compressor system for hydrogen. That discussion focused on
ON-DEMAND 🕖 50 MIN 🌏︎ ENGLISH Acoustically Induced Fatigue in Gas Filled Piping Systems Using BOSfluids Remco Boere Senior Software Engineer Get instant access
ON-DEMAND 🕖 60 MIN 🌏︎ ENGLISH Simulation Strategies and Practical Application for Vapour Cavity Formation Dr. Ir. Erik Jan Lingen Software Director Get
ON-DEMAND 🕖 60 MIN 🌏︎ ENGLISH Fundamentals, Failure Mechanisms, and Engineering Consequences of Vapor Cavity Formation Dr. Ir. Erik Jan Lingen Software Director
ON-DEMAND 🕖 45 MIN 🌏︎ ENGLISH Bridging the Gap: From NFPA 15 Steady-State Design to Transient Surge Analysis in Tank Terminals Uri Peker
ON-DEMAND 🕖 45 MIN 🌏︎ ENGLISH Support Stiffness Effects on Mechanical Natural Frequencies in Reciprocating Compressor Piping Systems Thijs Krijger Project Engineer Get
ON-DEMAND 🕖 60 MIN 🌏︎ ENGLISH Beyond hydraulics: a practical guide to fire water analyses with BOSfluids Dr. Ir. Erik Jan Lingen Software
AIV Fundamentals At what pipe diameter and wall thickness should one be concerned about AIV? What is the relevant D/T ratio? This depends on the
ON-DEMAND 🕖 3 SESSIONS x 45 MIN 🌏︎ ENGLISH Complete Pulsation Analysis Using BOSpulse Tim Gebraad Software Lead Engineer Marienne Faro Software Sales Engineer
ON-DEMAND 🕖 60 MIN 🌏︎ ENGLISH Getting the Timing Right: Why Time Step Size Is Critical In Surge Analysis Dr. Ir. Erik Jan
ON-DEMAND 🕖 30 MIN 🌏︎ ENGLISH Protecting Tank Terminal Assets Through Surge and FFS Analyses Thijs Krijger Project Engineer Katrine van Overhagen Engineer
ON-DEMAND 🕖 60 MIN 🌏︎ ENGLISH Choosing the right GRE piping standard: a comparison of ISO 14692 and ASME NM.2 Edwin Schimmel Project Engineer
ON-DEMAND 🕖 50 MIN 🌏︎ ENGLISH How Stepless Capacity Control Shapes Flow and Pulsations Thijs Krijger Project Engineer Get instant access Free. Recording
ON-DEMAND 🕖 60 MIN 🌏︎ ENGLISH Water Hammer Analysis & Mitigation in Pipeline Systems with BOSfluids Dr. Ir. Erik Jan Lingen Software Director
ON-DEMAND 🕖 60 MIN 🌏︎ ENGLISH Water Hammer Analysis & Mitigation in Pipeline Systems with BOSfluids Dr. Ir. Erik Jan Lingen Software Director
ON-DEMAND 🕖 35 MIN 🌏︎ ENGLISH Understanding, Modelling, and Managing Thermal Bowing using CAESAR II David Tickner Senior Engineer Get instant access Free.
What are the key challenges in applying CFD to simulate and optimize multiphase processes in complex industrial systems? The main challenge here is the ability
Do CAESAR II formulas for thermal bowing and output results match with FEA? Short Answer: There can be significant differences between the results of CAESAR II and FEA.Explanation:The
ON-DEMAND 🕖 35 MIN 🌏︎ ENGLISH Using CFD for optimizing multiphase process engineering Bart van der Zalm Senior Engineer Get instant access Free.
DRG CONFERENCE – 35TH ANNIVERSARY 🌏︎ ENGLISH Innovations that Change the Engineering Industry Get instant access Free. Recording + slide deck available Event Description
ON-DEMAND 🕖 35 MIN 🌏︎ ENGLISH Fatigue Assessment According to ASME B&PV VIII Div.2 Lukas Bajarunas Senior Software Engineer Get instant access Free
ON-DEMAND 🕖 45 MIN 🌏︎ ENGLISH Fiberglass Piping Stress Envelope According to ISO 14692 using CAESAR II Edwin Schimmel Project Engineer Get instant
Dynaflow Research Group was asked to conduct a comprehensive finite element (FE) analysis on a custom hairpin heat exchanger. The primary objective was to assess the exchanger’s structural integrity under demanding cyclic loading conditions, focusing on fatigue life and ratcheting behavior in compliance with the ASME Boiler and Pressure Vessel
Effective mixing in bioreactors is essential for maximizing mass transfer, homogenizing chemical species, and ensuring uniform biological activity. The client undertook a computational fluid dynamics study in collaboration with Dynaflow Research Group to evaluate the performance of a 60 m³ hydrogen sulfide (H₂S) bioreactor, with a specific focus on mixing
Excessive vibrations were detected in the discharge piping of compressor C801 at BP Rotterdam. The observed vibration frequencies corresponded to the compressor’s running speed and its harmonics, indicating the compressor as the primary excitation source. This prompted an in-depth technical investigation due to concerns over the integrity and reliability of
The API 618 DA3 study at the Q8 Terminal, commissioned by Wintershall Noordzee and executed by Dynaflow Research Group, was initiated to ensure the mechanical reliability and performance of the reciprocating compressor piping system. This study focuses on the evaluation of pulsation and vibration per API 618 (5th Edition, 2007)
Building directly on the preceding site verification and model augmentation phase, the objective of the stress assessment was to ensure the mechanical integrity and regulatory compliance of the entire piping network under all anticipated operational, test, and environmental scenarios. The assessment was carried out in accordance with ASME B31.3 and
Following the initial review of the pulsation and vibration analysis for the Q8 Terminal compressor station, a detailed site visit was conducted to resolve ambiguities in the as-built system configuration. The purpose of this site visit was to verify support functionality, assess current installations, confirm actual piping layouts, and gather
This case study presents a critical review of the pulsation and vibration analysis carried out by a third-party supplier, focusing on the Q8 Terminal compressor station. The analysis, conducted in accordance with API 618 Design Approach 3, aimed to assess the dynamic response of the compressor and associated piping systems.
The Ærfugl MEG (Monoethylene Glycol) injection skid, engineered by Hitec Products AS for deployment on the Skarv FPSO, is a critical system designed to inject MEG into subsea flowlines, thereby preventing hydrate formation. Following the comprehensive pulsation analysis, which established compliance with API 674 DA2 pulsation criteria through targeted mitigation
Following the successful verification of the static mechanical integrity of the Ærfugl MEG injection skid in Phase 1, Hitec Products AS commissioned Dynaflow Research Group to undertake a detailed pulsation analysis in accordance with API 674 DA2. The aim was to address the risks posed by pressure pulsations generated by
The Ærfugl MEG (Monoethylene Glycol) injection skid, designed and produced by Hitec Products AS for installation on the FPSO (Floating Production Storage and Offloading) vessel in the Skarv field, is a mission-critical component in the field’s flow assurance strategy. To ensure mechanical integrity and operational reliability, a comprehensive static pipe
Within Europoort Rotterdam, a tankpit of 37m diameter and 21m height was intended to be repurposed for storing a blend of Naphtha and Reformate. Reformate, a product of Naphtha, shares similar chemical properties, with both fluids being miscible (they mix well together). Dynaflow Research Group performed a CFD analysis on
For a coil-wound liquified natural gas (LNG) heat exchanger, an existing 66” and new 72” bolted flange joint have been analysed and reviewed for mechanical loading and multiple thermal load cases in accordance to the 2013 edition of ASME VIII Div.1 and Div.2 by Dynaflow Research Group (DRG) using ANSYS
Dynaflow Research Group (DRG) has performed a stress and surge analysis using BOSfluids at Rotterdam Maasvlakte on an extension to their firewater system to accommodate the loading of LNG onto ships and barges at the jetty area. The extension of the firewater system consisted of an underground glass-reinforced epoxy (GRE)
An existing fiberglass firewater piping system was expanded to enhance its capacity, necessitating validation for the newly added components. The client, engaged in the RDCG Rotterdam capacity growth project, specializes in producing renewable fuels through the chemical conversion of vegetable and animal oils. The firewater system at this facility is
Our client was looking to repurpose a liquid transport and storage system for a different fuel. The new fuel blend has a larger viscosity and density. Heat tracing is applied to the pipe line to reduce the liquid viscosity during transport. The new fuel is pumped into a storage tank,
Our client reported multiple cracks at weld locations on a separation tank. These cracks are suspected to be caused by dynamic flow effects from the mixed inflow of acid gas and liquid. To address this issue, the client requested a Computational Fluid Dynamics (CFD) analysis to quantify the forces exerted
A client approached Dynaflow with concerns about potential dynamic loads on their piping system during the activation of a Pressure Safety Valve (PSV) protecting a degasser. During PSV opening, both gas and liquid (methane and water) are discharged together, creating complex flow conditions that could lead to transient forces and
The EVO-42 compressor package, featuring a screw compressor, oil separator, motor, dampener, and associated piping, was subject to a comprehensive evaluation by Dynaflow Research Group. This study aimed to assess its mechanical and acoustic performance under operating conditions, following the guidelines set out in API 619 and ASME VIII Div.
A client operates a reciprocating compressor at their terminal facilities, which is integral to their gas processing operations. During routine operations, excessive vibrations were observed within the system, raising concerns regarding equipment reliability, safety, and compliance with relevant industry standards. The compressor system in question features a 6-cylinder design with
The Tesoro Salt Lake City Refinery initiated a project to reduce the sulfur content in its products, necessitating modifications to the piping system on the discharge side of compressors K-701A/B. These changes prompted concerns about excessive pulsations and vibration-induced stresses, particularly as no previous pulsation study had been conducted. The
Heat exchangers are essential in industrial applications for transferring heat between fluids. However, they are susceptible to multiple mechanical failures, being one of them flow-induced vibrations (FIV). This case study examines a specific incident where a heat exchanger experienced multiple failures at the welded connections of tube bundles to the
DYNAFLOW RESEARCH GROUP (“DRG”) Enters into Reseller Agreement with Quality Professional Software (“QPS”) RIJSWIJK, The Netherlands – January 24, 2024 (Dynaflow Research Group BV) –
Dynaflow Research Group and Seawind Ocean Technology announce collaboration focusing on technical readiness of floating offshore wind applications in the Mediterranean Sea. This landmark partnership