| 王辰，张永良，徐浩淳.配备双U形流道冲击式透平的振荡水柱波浪能装置的多级能量转换特性[J].海洋工程,2026,(2):91~104 |
| 配备双U形流道冲击式透平的振荡水柱波浪能装置的多级能量转换特性 |
| Multi-stage energy conversion characteristics of an oscillating water column wave energy device equipped with dual U-shaped flow channel impulse turbines |
| 投稿时间：2025-01-15 修订日期：2025-03-31 |
| DOI：10.16483/j.issn.1005-9865.2026.02.006 |
| 中文关键词: 双空气透平 振荡水柱 波浪能 一体化系统 气动阻尼 |
| 英文关键词:dual air turbines oscillating water column wave energy integrated system aerodynamic damping |
| 基金项目:中国电力建设股份有限公司重点研发项目（DJ-ZDXM-2024-09，DJ-ZDXM-2025-09）；国家自然科学基金资助项目（52401332）；海岸和近海工程国家重点实验室开放基金项目（LP2412） |
|
| 摘要点击次数: 21 |
| 全文下载次数: 17 |
| 中文摘要: |
| 本文提出在振荡水柱（oscillating water column，简称OWC）波浪能转换装置中引入双空气透平结构的概念，在由圆筒形OWC装置与带导浪墙的直立防波堤耦合形成的一体化系统中，通过配置两台U形流道结构的冲击式空气透平，数值研究了一体化系统从波浪能至电能的多过程能量转换的特性，并在空气透平处于自由启动和强制启动的两种工作模式下，与采用单空气透平的一体化系统的能量转换特性进行了对比。研究结果表明，在采用双透平的一体化系统中，虽然每个透平将波浪能转换为气动能的效率略低于采用单透平的系统，但是在双透平的协同作用下，系统的一级能量和总体能量转换效率要明显优于采用单透平的系统，其中，在自由启动模式下，一级能量转换效率和总体能量转换效率的峰值分别实现约56.4%和69.4%的增长。在特定周期波浪作用下，额外空气透平的引入还使得一体化系统的总电功率输出的峰值提升约66.57%。结果还表明，双空气透平的增效机理在于可以更有效地调整气室内外空气压差与空气流量，优化气室内的气动阻尼，从而实现波浪能的高效俘获与转换。 |
| 英文摘要: |
| This study proposes the concept of incorporating dual air turbine structures into an oscillating water column (OWC) wave energy converter. In an integrated system formed by coupling a cylindrical OWC device with an upright breakwater equipped with wave-guiding walls, two impulse air turbines featuring U-shaped flow channels were configured to establish a numerical model encompassing the OWC chamber, the marine engineering structure, and the dual turbines. The study investigates the multi-stage energy conversion characteristics from wave energy to electrical energy and compares them with those of an integrated system employing a single air turbine under two operational modes: free-spinning and forced-spinning. The results indicate that, although the efficiency of each turbine in converting wave energy into pneumatic energy is slightly lower than that of a single-turbine system, the primary-stage and overall energy conversion efficiencies of integrated system using a dual turbines were much higher than those of the integrated system using a single turbine. Specifically, under the free-start mode, the peak primary-stage energy conversion efficiency and overall efficiency increase by approximately 56.4% and 69.4%, respectively. Furthermore, under waves of specific periods, the addition of the second turbine raises the peak total electrical power output by around 66.57%. The efficiency gain of the dual-turbine configuration is attributed to its more effective regulation of the air pressure differential and airflow within the OWC chamber, optimizing aerodynamic damping and enabling more efficient capture and conversion of wave energy. |
| 查看全文 查看/发表评论 下载PDF阅读器 |
| 关闭 |
