Category Archives: Naval Architecture

Subhub Testing Commences

Subhub Operations model being launched for the shakedown tests.
Subhub Operations model being launched for the shakedown tests.

QED Naval launched the Subhub Operational model last week at Forth Estuary Engineering’s (FEE) dock in Leith. The last few weeks has been a hive of activity finalising the setup of the ballast systems, instrumentation, and the dock access and testing arrangements.

FEE have provided outstanding support during the preparation and will to be on hand through the testing phase. The Subhub will now be put through its passes to test the stability during installation, ballast system control and installation/retrieval methods.

The Director of QED Naval was on site to witness the launch and initial testing and has stated, “A lot of  hard work has gone into getting the Subhub project to this point which is a credit to the team and supporting companies. The Operations model represents a big step forward for the Subhub project de-risking the ballast system and installation/retrieval methods which is a key selling point used to reduce the cost of deployment and overall the cost of energy”.

Subhub Operations model fully instrumented with pressure and tank level gauges and air ballast system.
Subhub Operations model fully instrumented with pressure and tank level gauges with air ballast system.


New Recruit Maintains QED Predictive Flow Capability

Javier Sanmartin joined QED Naval and in so doing builds on the fluid modelling capabilities. Javier is an accomplished ANSYS Fluent user having completed his Masters thesis on modelling wind turbines. With this latest recruit QED Naval maintains its capability to model the fluid and wave loading on marine structures such as offshore wind, wave and tidal turbines. Javier brings the additional capability of blade modelling so the thrust & torque and power coefficients of the turbines can be predicted.

QED Naval collaborate with CMS

QED Naval have been invited to support a bid to develop an offshore wind foundation and delivery vessel called DTI-50. The highly innovative DTI-50 concept was developed by Concrete Marine Solutions (CMS).

Morrison Construction are heading a consortium of partners bidding for funding from Scottish Enterprise Offshore wind foundation fund including collaborative partnership including Mott MacDonald, CMS and QED Naval. 

QED Naval have been asked to support the stability and motions characteristics and Naval Architecture requirements of the DTI-50 foundation during its operational life and the transportation barge.

DTI-50 through the various stages of development.

Further collaboration with CMS is expected between CMS and QED Naval on the Subhub project where CMS will provide their expertise to produce a concrete version of Subhub offering the most commercially viable solution.