Objective
Deepsea Thrusters can be used in the Deep Sea Drilling to position the Blow Out Preventer on the seafloor and also allow easier handling of the Re-Entry of the Riser System. This concerns waterdepths beginning below 1000 m.
A further aspect ae deep diving vessels to avoid the unsafety of hydraulic aggregates to be used as well as the so fair not tested rubber sealings of turning parts which behave critical under high pressure conditions according to the material's floating point
.
The innovation is seen in the substitution of complete hydraulic aggregates and drives or electrical components, that have to be pressure compensated and withstand only certain depths.
A new concept was seen in preparing the thrster to work as a down -hole pump.
An electric motor was calculated, constructed and built, that shall be able to work completely open in seawater and under maximum seawater pressure, which is concerned to be up to 1000 bar.
The implemented rotor has an cylindric opening and holds on it's axis directly the propeller blades.
Problems that araised while testing the motor where the power losses according to the magnetic saturation in the rotor.
The aim of the project was the construction and prototype manufactoring of an electric deepsea thruster without rotating sealings.
The project was separated into three main parts :
a) Mathematical calculation and Mechanical Construction of the prototype
The motor will be a completely new developement, that requires complete mathematical and electrical calculation of stator and rotor, as well as a new mechanical layout concerning water tightness of the stator windings, an optimal slot between rotor and stator and a nex squirrel cage with integrated propellers.
b) Manufactoring of the prototype
c) Dry-, wet- and pressure tests of the manufactored propeller system
The dry tests shall give the mathematical basis to recalculate the electrical values, that can be reached in sea water.
Wet tests under normal conditions in a basin gave first force and water flow results.
High pressure tests in a pressure chamber are obtained to prove the watertightness and resistance of the materials used.
Fields of science (EuroSciVoc)
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
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Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
2070 AHRENSBURG
Germany
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.