Mooring line for wind turbine model

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SUMMARY

The discussion centers on selecting an appropriate mooring line for a floating wind turbine model intended for a wave tank experiment. Key requirements include a linear force-elongation relationship up to 50 kg tension, minimal elongation over time (low creep), flexibility for bending around a pulley, and corrosion resistance. Suggested materials include monofilament steel wire, carbon fiber wire, and fishing line, with a recommendation for Spectra fibers or thin wire rope commonly found in fishing tackle shops.

PREREQUISITES
  • Understanding of mooring systems for marine applications
  • Knowledge of material properties such as tensile strength and creep resistance
  • Familiarity with pulley systems and their mechanical advantages
  • Experience with corrosion-resistant materials in marine environments
NEXT STEPS
  • Research the mechanical properties of Spectra fibers for mooring applications
  • Investigate the tensile strength and flexibility of carbon fiber wire
  • Explore the use of monofilament steel wire in marine environments
  • Learn about the design and implementation of pulley systems in mooring lines
USEFUL FOR

Marine engineers, researchers in renewable energy, and professionals involved in the design and testing of offshore structures will benefit from this discussion.

anders.sparen
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Hello,

I am construction a floating wind turbine model which is going to be used in a wave tank experiment this fall. Currently I'm looking for a mooring line for this model.

The line will go from the wind turbin down to the bassin floor, where it will go through a pulley and back up to the surface. Above water it will be connected to a spring system which models the stiffness of the mooring line.

The mooring line has should have the following characteristics:
- Approximately linear relationship between force and elongation in the area 0-50 kg tension.
- Very little or none elongation with time for a given force (low creep?)
- Be able to be bended of in a pulley of unknown size, angle approximately 100 degrees.
- Good against corrosion.

Does anyone have any tips?

I am currently considering:
- monofilament steel wire
- Carbon fiber wire
- Fishing line


Best regards
Anders S
 
Engineering news on Phys.org
Specta fibers might work well.
 
Or maybe a thin wire rope like that sold on fishing tackle shops for leader material.
 

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