改进型中心管模型能量转换性能试验及样机设计
发布时间：2018-07-18 09:40
【摘要】：为了提高中心管振荡水柱波浪能利用技术能量转换效率,基于新的认识和目前常用的2.4米导航灯标,对中心管尾部设计了三种模型并在造波水槽中进行能量转换性能试验。试验结果表明:直管型中心管俘获宽度比最高达到了70.25%,但通频带宽度窄;加长喇叭口型中心管略好于喇叭口型中心管;在喷咀比为0.02条件下,加长喇叭口型中心管浮体有较高双峰俘获宽度比,波峰为40.0%,波谷为31.6%,通频带宽,为随机波下高效转换创造了条件。最高俘获宽度比和双峰通频带特性实验数据结果都优于历史文献值。根据试验数据对一些适合小型海洋仪器供电的样机进行了设计,设计的样机具有较高的性价比。
[Abstract]:In order to improve the efficiency of wave energy conversion of oscillating water column in the center tube, based on the new understanding and the 2.4-meter navigation lamp, three models are designed for the tail of the central tube and the energy conversion performance test is carried out in the wave-making tank. The experimental results show that the trapping width ratio of straight tube type center tube reaches 70.25, but the bandwidth of pass band is narrow, the lengthened bell mouth central tube is slightly better than the bell mouth type central tube, and the nozzle ratio is 0.02, The elongated bell-shaped central tube has a higher bimodal capture width ratio, with a peak of 40.0 and a trough of 31.6, which creates conditions for efficient conversion under random waves. The experimental results of maximum capture width ratio and bimodal passband characteristics are better than those of historical literature. According to the test data, some prototypes suitable for the power supply of small offshore instruments are designed, and the designed prototypes have high performance and price ratio.
【作者单位】： 中国科学院可再生能源重点实验室;广东省新能源和可再生能源研究开发与应用重点实验室;中国科学院广州能源研究所;中国科学院大学;
【基金】：国家自然科学基金(51579231,51276185)
【分类号】：P743.2
本文编号：2131508
[Abstract]:In order to improve the efficiency of wave energy conversion of oscillating water column in the center tube, based on the new understanding and the 2.4-meter navigation lamp, three models are designed for the tail of the central tube and the energy conversion performance test is carried out in the wave-making tank. The experimental results show that the trapping width ratio of straight tube type center tube reaches 70.25, but the bandwidth of pass band is narrow, the lengthened bell mouth central tube is slightly better than the bell mouth type central tube, and the nozzle ratio is 0.02, The elongated bell-shaped central tube has a higher bimodal capture width ratio, with a peak of 40.0 and a trough of 31.6, which creates conditions for efficient conversion under random waves. The experimental results of maximum capture width ratio and bimodal passband characteristics are better than those of historical literature. According to the test data, some prototypes suitable for the power supply of small offshore instruments are designed, and the designed prototypes have high performance and price ratio.
【作者单位】： 中国科学院可再生能源重点实验室;广东省新能源和可再生能源研究开发与应用重点实验室;中国科学院广州能源研究所;中国科学院大学;
【基金】：国家自然科学基金(51579231,51276185)
【分类号】：P743.2
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