Investigation of the anchor chain tension distribution and six-degree-of-freedom motion characteristics of a floating fan platform in a wind-wave basin

Xi Zhang; Jie Dong; Jiankang Wang; Guirong Lu; Jingyi Wei; Yupeng Wang; Guoqiang Chen

doi:10.4108/ew.8537

Authors

Xi Zhang Chinese Academy of Fishery Sciences
Jie Dong Jiangsu University of Science and Technology
Jiankang Wang Chinese Academy of Fishery Sciences
Guirong Lu Chinese Academy of Fishery Sciences
Jingyi Wei Chinese Academy of Fishery Sciences
Yupeng Wang Chinese Academy of Fishery Sciences
Guoqiang Chen Chinese Academy of Fishery Sciences

DOI:

https://doi.org/10.4108/ew.8537

Keywords:

Floating fan plateau, Six levels of freedom of movement, Cable tension, Wind and wave coupling effect, Numerical simulation, Platformer stability

Abstract

INTRODUCTION: Because of its versatility and adaptability, floating wind turbine platforms have emerged as the go-to foundation type for deep sea wind power as offshore wind power production steadily expands into deeper waters.

OBJECTIVES: But the floating platform's six-degree-of-freedom motion and the anchor chain system's mechanical reaction to the combined force of wind, wave, and current are incredibly intricate, and this directly affects the platform's stability and safety.

METHODS: Under various wind, wave, flow incidence angle, and chain length conditions, the platform's six-degree-of-freedom motion characteristics and anchor chain tension distribution are carefully studied using potential flow theory, the finite element method, and the fluid-structure coupling model. The numerical simulation combined JONSWAP wave spectrum and NPD wind spectrum to conduct multi-condition analysis.

RESULTS: the results show that the incidence Angle and anchor chain configuration have significant effects on the dynamic response of platform pitching and pitching.

CONCLUSION: This paper deeply discusses the platform motion response under the broken anchor chain, and puts forward the corresponding optimal design scheme.

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References

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