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LORC tests and demonstrates technology for harvesting renewable energy offshore

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Meeting industry’s needs for environmental testing of large components for offshore use is now one step closer with the ordering of a climatic chamber for a new LORC test centre.

Read more about the environmental testing of structures here




Read the full pdf-version of: OceanWise 2012, no. 2 - October Issue

  1. The automotive industry does it. Shipyards have introduced it for the refining of cruise ships. And heavy industries such as producers of wind turbine towers and substructures see an interesting potential in welding with lasers.
  2. One of Europe’s greatest experts explains that the main attractions of laser welding for the industry are the speed and the high quality. Development of task specific procedures are however time consuming, Professor Alexander Kaplan explains to OceanWise.
  3. Laser hybrid is a promising technology for the welding of heavy plates. OceanWise takes a closer look at how laser hybrid welding works.
  4. The heavy industries of Europe are interested in laser welding as soon as the technology is mature for very thick plates.
  5. Reduced costs and increased speed in the production of wind turbine towers and foundations. Those are the main goals for Lindoe Welding Technology with its investment in a 32kW fiber laser system.
  6. Laser-welded ”wind turbine steel” behaves as it ought to during tensile testing.
  7. In several industries the welding paradigm is about to shift. OceanWise takes a look on how three welding technologies work and how they would work for welding of wind turbine bodies: traditional submerged arc welding, the emerging technology - laser beam welding, and electron beam welding, which industry and academia use as a reference point for laser welding.
  8. Managing laser safety is a matter of strict adherence to established industrial standards.
  9. Laser welding has been used for decades in serial productions of small components. Experience shows that not only component tolerances and fixtures are critical. The right choice of raw materials can also be crucial. But once the setup works it can be repeated perfectly millions of times.
  10. 2011 was a great year for offshore wind by Mads Kromann-Larsen and Tea Tramontana
    Global offshore wind production data is now accessible at LORC Knowledge. Last year, offshore wind farms exceeded the commonly expected capacity factor of 40%, as shown by newly released production data.
  11. While industry partners have joined forces with the aim of updating existing knowledge of design practices for large diameter grouted connections between monopiles and transition pieces with shear keys, Norwegian Trelleborg Offshore has sold 2,120 elastomeric bearings to offshore wind farms. OceanWise takes a look at how these bearings work.
  12. In part three of his OceanWise column Larry Edson, expert in reliability and accelerated testing, takes a closer look at the advantages of the CALT process that has proven very effective across many different industries.
  13. Electrolytic splitting of water into hydrogen and oxygen is a way to store energy on a grand scale. E.On is going to take the first expensive steps to gain practical experience in this area.
  14. A new Dutch noise reduction system is able to keep monopile installation noise below the German legal limit. This is good news for sea mammals like whales and seals.
  15. Underwater noise from monopile installations is an inherent problem linked to the choice of substructure. Much research and many proposals have been made with limited effect.
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