Community Research and Development Information Service - CORDIS

Working with water jets

Ingenious technology can often have many applications and be of benefit to different industries or sectors. The latest water-jet technology may help activities from cleaning underwater infrastructure to exploring the seas for new life.
Working with water jets
Swirling fluid jets that use ducted propellers represent a technology that could have profound impact on exploring the seabed, cleaning below the water and propelling ships.

The EU-project 'Research to evaluate the technological application of swirling jets in the fields of seabed excavation, vessel propulsion and underwater cleaning' (SWIRL-JET STUDY) has successfully developed new technology in this respect. The project brought together three small and medium-sized enterprises (SMEs), each specialising in one of these areas yet working together to achieve the best from swirling jets.

While using jets for vessel propulsion has been around for 50 years, the related partner wanted to investigate if further improvements to propulsion performance could be achieved. In parallel, another partner, already in the business of high-pressure jet equipment for the shipping industry, wanted to apply it on a smaller scale for underwater cleaning.

The third partner, considered the motivating player behind the project, had already developed a very promising ducted-propeller jetting system for seabed excavation. However, the technology needed refinements before it could be exploited and made commercially viable.

The three partners set targets at the onset of the project that would help take the technology to the next step. They successfully met these targets and even surpassed them in some cases, demonstrating the huge potential that lies in this area for the selected applications. Successful field trials and intense research led to a wealth of knowledge in the jet systems that could soon be utilised to create a streamlined technology for all three sectors.

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