风波协同作用的三电纳米发电机:性能评估测试和在离岸地区的潜在应用
Zhen Pan1, Weijian Wu1, Jiangtao Zhou1
1The Institute of Precision Machinery and Smart Structure, College of Engineering, Zhejiang Normal University, Yinbin Street 688, Jinhua 321004, China.
Micromachines
|March 28, 2024
概括
这项研究介绍了一种新的风波协同 triboelectric 纳米发电机 (WWS-TENG),用于增强海洋能量采集. 在WWS-TENG利用反旋转转轮捕获风和波浪的能量,显著提高在海洋环境中的输出功率.
科学领域:
- 材料科学 材料科学 材料科学
- 可再生能源工程可再生能源工程
- 海洋学 海洋学 海洋学
背景情况:
- 三电纳米发电机 (TENGs) 是有效的收获低频机械能量,特别是在海洋环境.
- 现有的旋转TENG通常由于旋转不足而在低频海洋环境中受到缓慢的电荷传输速率的影响.
- 需要改进TENG设计,以有效地捕获来自复杂海洋条件的无序机械能量.
研究的目的:
- 提出和评估一个新的风波协同 triboelectric 纳米发电机 (WWS-TENG) 增强海洋能源的收获.
- 在低频海洋环境中解决传统旋转TENGs的局限性.
- 展示WWS-TENG在自动供电的海洋物联网 (IoT) 应用中的潜力.
主要方法:
- 设计了一个WWS-TENG,它有两个转子在相反的方向旋转,由风和波能量驱动.
- 在一个模拟的海洋环境下,在风和波的联合激发下测试了WWS-TENG.
- 测量了输出功率,并将性能与单一能量收集方法进行了比较.
主要成果:
- 在WWS-TENG演示有效收获协同风能和波浪能源.
- 在模拟的风波叠加激发下,峰值输出功率达到13.5mW.
- 与仅使用波浪发电相比,WWS-TENG的输出增加了49%.
结论:
- 在WWS-TENG提供了开发海洋可再生能源的新方法.
- 该设备在采集海风和海浪能量方面表现出色.
- WWS-TENG显示了为海洋物联网设备和系统提供动力的巨大潜力.
相关概念视频
Induced Electric Fields: Applications
1.6K
An important distinction exists between the electric field induced by a changing magnetic field and the electrostatic field produced by a fixed charge distribution. Specifically, the induced electric field is nonconservative because it does not work in moving a charge over a closed path. In contrast, the electrostatic field is conservative and does no net work over a closed path. Hence, electric potential can be associated with the electrostatic field but not the induced field. The following...
1.6K
Wind Turbine Machine Models
129
In the growing field of wind energy, incorporating wind turbine models into transient stability analysis is essential. Induction and synchronous machines are the primary models used, with induction machines being prevalent due to their simplicity and reliability.
Induction machines interact through the rotating magnetic field generated by the stator and the rotor. The key parameter is slip, which is the difference between synchronous speed and rotor speed relative to synchronous speed. Slip is...
Induction machines interact through the rotating magnetic field generated by the stator and the rotor. The key parameter is slip, which is the difference between synchronous speed and rotor speed relative to synchronous speed. Slip is...
129
Faraday Disk Dynamo
2.2K
A Faraday disk dynamo is a DC generator, producing an emf that is constant in time. It consists of a conducting disk that rotates with a constant angular velocity in the magnetic field, perpendicular to the disk's plane. The rotation of the disk causes a change in magnetic flux, which induces an emf, causing opposite charges to develop on the rim and in the center of the disk. The polarity of the induced emf can be determined by the direction of the magnetic field and the direction of the...
2.2K
Generation of Three-Phase Voltage
375
A three-phase AC generator has a rotor with a rotating magnet placed within the stator mounted with the stationary three-phase winding to generate three-phase voltages via mutual induction. These windings are evenly distributed around the inner circumference of the stator and are arranged 120 electrical degrees apart. Three-phase stator windings consist of three separate coils or groups of coils, known as phases, each connected in Y (star) configuration or Delta configuration.
As the rotor...
As the rotor...
375
DC Generator
740
An alternator converts mechanical energy into electrical energy that varies sinusoidally, resulting in AC current. Meanwhile, a DC generator converts mechanical energy into electrical energy, which are DC pulses with the same polarity. The construction of a DC generator is similar to that of an alternator, except that the pair of slip rings is replaced by a single split ring, also called a commutator. The commutator functions like a periodic rotary switch; it changes the contacts with the...
740
Energy and Power of a Wave
3.6K
The total energy associated with a wavelength is the sum of the potential energy and the kinetic energy. The average rate of energy transfer associated with a wave is called its power, which is total energy divided by the time it takes to transfer the energy. For a sinusoidal wave, energy and power are proportional to the square of both the amplitude and the angular frequency.
Waves can also be concentrated or spread out, as characterized by the intensity of the wave. Intensity is directly...
Waves can also be concentrated or spread out, as characterized by the intensity of the wave. Intensity is directly...
3.6K


