0 引言
1 装置结构设计与工作原理
Fig. 1 Structure diagram of raft wave energy conversion device图1 筏式波浪能转换装置结构图 |
Fig. 2 State diagram of raft wave energy conversion device under different wave conditions图2 不同波浪状况下经过筏式波浪能转换装置的状态图 |
Fig. 3 Schematic diagram of ND-TENG structure图3 ND-TENG结构示意图 |
Fig. 4 Working principle diagram of ND-TENG图4 ND-TENG工作原理图 |
2 装置仿真分析
2.1 筏式波浪能转换装置
Fig. 5 Three commonly used wave spectra图5 常用的三种波浪谱 |
Fig. 6 Modes of each order at drafts of 0.4 m, 0.5 m, 0.6 m and 0.7 m图6 吃水分别为0.4 m、0.5 m、0.6 m、0.7 m时各阶模态 |
Fig. 7 Distribution of natural frequencies of different modes at different drafts图7 不同吃水下各阶模态固有频率分布情况 |
Fig. 8 Natural frequencies of various modes of raft body at 350 m length图8 型长为350 m时筏体的各阶模态固有频率 |
2.2 能量输出系统装置
Fig. 9 ND-TENG theoretical potential distribution图9 ND-TENG理论电势分布 |
Fig. 10 Simulation diagram of ND-TENG potential distribution with different nylon ball diameters图10 不同尼龙球径的ND-TENG电势分布仿真图 |
Fig. 11 ND-TENG potential distribution of nylon ball diameter图11 不同尼龙球径的ND-TENG电势分布 |
Fig. 12 ND-TENG potential distribution at different rolling distances图12 不同滚动距离的ND-TENG电势分布 |
Fig. 13 Output current and instantaneous power density of ND-TENG when external load resistance ranges from 150 MΩ to 1 200 MΩ图13 外部负载电阻范围150 ~ 1 200 MΩ时,ND-TENG的输出电流和瞬时功率密度 |
Fig. 14 Energy management circuit based on full-bridge rectifier图14 基于全桥整流器的能量管理电路 |