ARAMID PERMANENT TENSION MOORING OF THE NEXTFLOAT X100 FLOATING WIND PLATFORM – AN EXPERIMENTAL AND MODEL-BASED FATIGUE LIFE ASSESSMENT
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Summary
The floating offshore wind sector is under development and pre-commercial units show the potential of offshore wind as a key renewable energy source. The tension leg platform (TLP) mooring concept with aramid fiber-based endless wound tendons is very suitable for water depths where bottom fixed solutions are not viable. This concept provides cost reduction and easier installation compared to typical TLP, catenary and (semi-)taut systems. This paper reports fatigue experiments and a discussion of the results. The data in this work form an excellent basis for the design of a reliable mooring system. This world-first mooring case of parallel wound fibers in subsea mooring will see its full-scale introduction in a pilot test planned for installation in 2027.
Author(s):B. Cornelissen, E. Bottema, R. van der Schuit, M. Durix, C. Dechiron, P. Alcoverro
Keywords: Aramid, Twaron®, floating wind, tension leg platform, TLP, tendon, cable, fatigue, S-N curve, T-N curve, R-N curve
