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Damen performs tank testing of new FCS 7011

Damen Shipyards Group has carried out tank testing of its 70-metre Fast Crew Supplier (FCS) 7011. The tests were carried out at the Delft University of Technology (TU Delft) with a 2.8-metre long model. Intended for long distance crew transfer operations, the Damen FCS 7011 will offer the offshore oil & gas industry a safe and cost-effective alternative to helicopter flights.

In developing the FCS 7011, on-board comfort has been one of Damen’s central design parameters. Consequently, the company has executed a large number of simulations to investigate seakeeping characteristics.

“We have used these simulations to see which hull form gives the optimum comfort levels,” explains Albert Rijkens, Damen Product Portfolio Manager Research. “The aim of the model testing at TU Delft was to validate those numerical results.”

Reduced slamming
Performing tests at 30 knots and 40 knots in waves of 2-3 metres significant wave height, seakeeping was a major aspect of the testing. The results were positive; the hull design and the application of the Sea Axe bow allows the vessel to reach high speeds through waves while meeting predetermined criteria for comfort levels.

“In fact, what we see is that ship movements become calmer as the speed increases. This is because the forward energy of the vessel allows it to go through the waves, instead of going over them. At the same time the Sea Axe bow shape reduces any uncomfortable slamming that might occur during high speed transits.”

Another aspect of the tank testing was to study vessel resistance at speed. “Our results showed that, due to its long and narrow hull, the FCS 7011 has relatively low resistance.”

The tests were also an opportune moment to trial the so-called Ride Control System positioned at the stern of the 1:25 scale model of the FCS 7011. “This system measures ship movements and based on these signals it continuously determines the position of the active control mechanisms. The effectiveness of the system – enabling us to improve comfort levels even further – was also validated in these tests.”

Academic cooperation
The FCS 7011 tank tests represent the continuation of the strong working relationship between Damen and TU Delft. “They have definitely played an important role in this project,” adds Mr Rijkens. “This started in the preliminary seakeeping simulation stage to reach the optimum hull form that we have used. And now, using their tank testing facilities, to validate our ideas and our calculations.”

With these tests yielding positive results, and further testing planned in this year, Damen is closer to finalising the design of this new vessel. As Mr Rijkens notes, the FCS 7011 marks a significant step for the safe and fast transfers of offshore personnel. “Offshore oil and gas operators currently use helicopters as their principal method to transfer crews to and from platforms. However, there is a very clear desire from the industry to change the logistical model with the introduction of new generation of crew change vessels.”

“They need an alternative – and the FCS 7011 fills the gap between the current crew change vessels and helicopters. It will achieve this by being able to carry up to 150 passengers in business class comfort at speeds of up to 40 knots.”


VIDEO
A short video is available at youtube.com
click on: https://youtu.be/dJp-2db-rtI


Damen Shipyards Group
Damen Shipyards Group operates 35 shipbuilding and repair yards, employing 12,000 people worldwide. Damen has delivered more than 6,000 vessels in more than 100 countries and delivers some 160 vessels annually to customers worldwide. Based on its unique, standardised ship-design concept Damen is able to guarantee consistent quality.

Damen’s focus on standardisation, modular construction and keeping vessels in stock leads to short delivery times, low ‘total cost of ownership’, high resale values and reliable performance. Furthermore, Damen vessels are based on thorough R&D and proven technology.

Damen offers a wide range of products, including tugs, workboats, naval and patrol vessels, high speed craft, cargo vessels, dredgers, vessels for the offshore industry, ferries, pontoons and superyachts.

For nearly all vessel types Damen offers a broad range of services, including maintenance, spare parts delivery, training and the transfer of (shipbuilding) know-how. Damen also offers a variety of marine components, such as nozzles, rudders, winches, anchors, anchor chains and steel works.

Damen Shiprepair & Conversion (DSC) has a worldwide network of eighteen repair and conversion yards of which twelve are located in North West Europe. Facilities at the yards include more than 50 floating and (covered) drydocks, the largest of which is 420 x 90 metres, as well as slopes, ship lifts and indoor halls. Projects range from the smallest simple repairs through Class’ maintenance to complex refits and the complete conversion of large offshore structures. DSC completes around 1,300 repair and maintenance jobs annually, both at yards as well as in ports and during voyages.


13.09.2018

Ознакомиться с электронным представительством компании Damen Shipyards Group

Судостроительная группа Дамен (Damen Shipyards Group) управляет 32 судостроительными и судоремонтными верфями. Общая численность персонала по всему миру составляет 9000 человек. В общей сложности группа Дамен поставила свыше 6000 судов заказчикам в более чем 100 стран мира.
Ежегодный выпуск продукции составляет около 180 судов. Опираясь на свою уникальную стандартизованную концепцию проектирования судов, группа Дамен обеспечивает стабильно высокое качество своей продукции.

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