
Dynamic Stress And Vibration Analysis For A Gasoil Hydrofiner
Introduction During the start-up and normal operation phases of a Gasoil Hydrofiner system, significant vibrations were observed in its piping. These vibrations, described as “large

Introduction During the start-up and normal operation phases of a Gasoil Hydrofiner system, significant vibrations were observed in its piping. These vibrations, described as “large

Introduction In the context of a compression station project, DRG conducted a comprehensive static stress analysis encompassing the plant inlet, slug catcher, and filter areas.

Introduction In this case study, we delve into a static stress analysis concerning a distillate water header within a remineralization unit of a desalination plant.

Introduction In the analysis conducted for the gas-inlet top box of a heat exchanger, which forms a part of the Torrefaction Tower, emphasis was placed

Introduction In the context of a greenfield project centered on the construction of a power plant, fiberglass-reinforced plastic (GRP) pipes with diameters of approximately 2.5

Since its beginnings, in 1989, Dynaflow Research Group (DRG) has been involved in shaping the landscape of fiberglass engineering through research, design engineering, and consultancy.

Introduction In this case, slender steel conical towers are designated to support high-tension wires, subjecting them to various horizontal and vertical load components. The load

Introduction In the examination of our client’s initiative to assess and enhance the primary cooling water system within an established power plant, various configurations, and

Introduction In this case study, we encountered undesirable vibrations in the downstream line of an angle control valve within a wash oil line. Initially, the

Date: April 2nd, 2024 We are delighted to announce the celebration of Dynaflow Research Group’s 35th anniversary, marking a significant milestone in our journey of

Introduction A surge analysis and static stress analysis were necessitated for an FRP ballast water system following a prior incident to prevent its recurrence. The

Introduction The seawater system was classified as a class A system per the Service Limit State (SLS) standards. Constructed from reinforced fiberglass piping, it comprised

Introduction In the North Sea, three monopiles were equipped with a deluge fire-fighting system. To ensure its effectiveness, a water hammer calculation was carried out.

Introduction In the context of a gas facility, the addition of new units necessitated the enhancement of the existing firewater system. This system was designed

Introduction In this case study, the focal point was addressing the high vibration levels observed in the process piping extending from a heat exchanger to

Introduction In this case study, we addressed a notable vibration issue observed in the main 16” line at a chemical plant, which was suspected to

Introduction This case involved fulfilling a client’s request to perform a surge analysis and static and dynamic stress analysis about the cooling water lines and

Introduction In this case study, the focus was on conducting a stress analysis of the GRE piping system utilized to link the pumps to the

Introduction As a result of a failure in a fiberglass header in the undercroft of a chilled water system, the decision was made to replace

Introduction In the process of extending an existing power plant, the addition of a new power plant was deemed necessary. This new facility was designed

Introduction In this case study, we delved into the stress analysis findings regarding the revised flue gas overhead line in Singapore connecting a third-stage separator

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

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.

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

ON-DEMAND 🕖 30 MIN 🌏︎ ENGLISH Understanding and Mitigating AIV and FIV in Modern Plant Design David Tickner Senior Engineer Get instant access

ON-DEMAND 🕖 30 MIN 🌏︎ ENGLISH How To Predict Stresses From Slug Flows Daniëlle de Jong Senior Engineer Get instant access Free recording

ON-DEMAND 🕖 60 MIN 🌏︎ ENGLISH Building models using the import PCF file feature & model verification In BOSfluids Thijs Krijger Project Engineer

Recently, fatigue cracks were discovered in the first-stage discharge line’s small-bore instrumentation branches of a hydrogen compressor. Initial investigations pointed to excessive out-of-plane vibrations as

In industrial effluent systems, piping integrity is often threatened by the geotechnical behavior of the surrounding soil. This case study examines the peer review of

This case study presents the finite element analysis (FEA) and verification process conducted for the pressure-containing parts of the F35-340 actuator, developed by Actuator Technology

This case study presents the fatigue assessment of the 28L oil separator (Atlas part number 1625481501), performed to verify the vessel’s durability under cyclical internal

This project examines the root cause of increased vibrations observed in the control valve 670FC005-VC at Shell Pernis following its replacement with a new valve

At BP Geel, a new extension of the fire protection system experienced operational failures during start-up due to surge effects. A similar incident with line

At the BP Geel facility, a previous failure of the fire protection system during start-up prompted a detailed investigation into surge effects within the network.

The ONE GUYANA Floating Production Storage and Offloading (FPSO) unit has been designed to operate in deepwater conditions with a production capacity of 250,000 barrels

During this project the optimal wearplate thickness for pipe supports on the FPSO Maria Quiteria was investigated, aligning with the Yinson project specifications. The primary

On the Goliat Floating Production Storage and Offloading (FPSO) unit, significant vibration and cavitation phenomena were observed downstream of control valve 71PV1103 on the minimum

The Petrojarl I Floating Production, Storage, and Offloading (FPSO) facility, in operation since 1986 in the North Sea, underwent critical modifications to prepare for deployment

The client commissioned a surge analysis for the Waste Water (WW) system at the Rotterdam terminal. The analysis aimed to quantify transient pressures and unbalanced

This case study presents the findings of a comprehensive pipe stress analysis of several tank lines following a leakage incident at an expansion joint. The

The project focused on evaluating the mechanical integrity and support strategy of a glass-reinforced plastic (FRP) piping system lined with unplasticized polyvinyl chloride (PVC-U), designed

This case study presents a technical assessment of the Glass Reinforced Plastic (GRP) piping system installation at a power plant, based on a visit conducted

The client experienced multiple unexpected failures in the underground firewater (FW) network at one of their facilities. The network utilizes fiberglass-reinforced plastic (FRP) piping. To

A heat exchanger was found to have fluid leakage from the tube side into the shell side after approximately 3 years of operation. Initial inspections

This project presents a detailed technical assessment of two vertical tube cooker (shell-and-tube heat exchanger) designs using Computational Fluid Dynamics (CFD). The analysis was conducted

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

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

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

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