Scholarlink

<p>Utilizing computational fluid dynamics (CFD), this study analyzes the relative pitching motion amplitude and conversion efficiency of the parallelogram raft wave energy converter (R-WEC) under wave current conditions, examining the effects of power take-off (PTO) parameters, wave parameters, and flow velocity on R-WEC hydrodynamic performance. The research includes an analysis of a single point mooring system to determine optimal mooring conditions. Through comparative analysis of energy conversion efficiency across 10 single mooring modes and nine double-mooring modes, the study evaluates their impact on the R-WEC. Findings demonstrate that flow velocity adversely affects wave energy capture. Energy conversion efficiency exhibits an initial increase followed by a decrease as damping coefficient or wave frequency coefficient increases. An optimal anchor chain unit mass coefficient exists that maximizes R-WEC energy conversion efficiency. The dual mooring system demonstrates marginally enhanced energy conversion efficiency compared with single mooring, with specific impacts on R-wave energy converters (WECs) documented. These findings provide valuable reference data for R-WEC design optimization and operational strategies to enhance conversion efficiency.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Study on Hydrodynamic Characteristics of Raft-Type Wave Energy Converter Based on Same-Direction Parallelogram Under Wave-Current Conditions

  • 期刊论文

  • 发表日期：

    2025年8月1日

查看全文
  • Shu-qi Wang,
  • Ji Tang,
  • Jin Wang,
  • Ratthakrit Reabroy,
  • Ren-wei Ji,
  • Kai Wang

摘要

Utilizing computational fluid dynamics (CFD), this study analyzes the relative pitching motion amplitude and conversion efficiency of the parallelogram raft wave energy converter (R-WEC) under wave current conditions, examining the effects of power take-off (PTO) parameters, wave parameters, and flow velocity on R-WEC hydrodynamic performance. The research includes an analysis of a single point mooring system to determine optimal mooring conditions. Through comparative analysis of energy conversion efficiency across 10 single mooring modes and nine double-mooring modes, the study evaluates their impact on the R-WEC. Findings demonstrate that flow velocity adversely affects wave energy capture. Energy conversion efficiency exhibits an initial increase followed by a decrease as damping coefficient or wave frequency coefficient increases. An optimal anchor chain unit mass coefficient exists that maximizes R-WEC energy conversion efficiency. The dual mooring system demonstrates marginally enhanced energy conversion efficiency compared with single mooring, with specific impacts on R-wave energy converters (WECs) documented. These findings provide valuable reference data for R-WEC design optimization and operational strategies to enhance conversion efficiency.