Moffat 2000

Pressure – Flow Assessment of a Subsea Stab Connector

Flow Assessment

Moffat 2000 designs and manufactures subsea pipeline products including stab connectors for flushing or pig-driving operations. PDSVISION was asked to characterise the pressure-flow relation of various sizes and orientations.

The project was to determine loss coefficient for different size connectors and to establish dependence on orientation of the connector in the line.

Methodology & Solution

A model of each unit was generated in Ansys DesignModeler by cleaning up an imported CAD file supplied by the client. Meshes were generated with Ansys CFX-Mesh and CFD simulations conducted using Ansys CFX V11 . The model consisted of the internal passages of the connector and a downstream length of pipe, representing the unit under test. Post-processing identified the chief source of losses and design improvement recommendations under ambient pressure test conditions.

Courtesy: Moffat 2000 Ltd

Business Benefits

The project generated confidence in CFD to evaluate designs and replace expensive high flow rate prototype testing.

PDSVISION have given a first-rate service enabling us to prove and improve critical design features of the Moffat Subsea Stab Connector

Moffat 2000

About Moffat 2000

Moffat 2000, based in the North East of England, design and manufacture Subsea Pipeline Products and Skid Mounted Assemblies, with the company’s specialist Subsea and Offshore expertise playing an ever increasing part in its success.

Ansys

Ansys

Ansys Mechanical is a finite element analysis (FEA) software used to perform structural analysis using advanced solver options, including linear dynamics, nonlinearities, thermal analysis, materials, composites, hydrodynamic, explicit, and more.

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