论文部分内容阅读
目前大多数海流能发电装置的设计可分为水平轴和垂直轴两类。起动性能差、能量利用率低是限制垂直轴海流能转换装直进行商业化应用的主要障碍。本文以Darricus型垂直轴海流能装置为例,通过数值模拟分析,对在其周边以一定角度添加竖直平板来提高其性能的方法进行了研究。结果表明这些平板可以在装置前方形成一个导流加速的通道,从而可以有效地提高这类装置的能量转换率。同时由于造价低廉,使这种方法在实际工程中具有很大的应用潜力。
At present, the design of most current-flow power plants can be divided into two types: horizontal axis and vertical axis. Poor starting performance and low energy utilization are major obstacles that limit the ability of vertical axis currents to be converted for commercial use. In this paper, taking Darricus vertical axis flow energy device as an example, numerical simulation analysis is carried out to improve the performance by adding a vertical flat plate at a certain angle around it. The results show that these plates form an accelerated flow channel in front of the unit, effectively increasing the energy conversion efficiency of such units. At the same time, due to low cost, this method has great potential in practical engineering.