Study on Coupling Gain Effect of Archimedes Screw Turbine Array

GUO Penghua; WANG Yiyuan; ZHANG Dayu; ZOU Hansen

doi:10.7652/xjtuxb202304014

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Study on Coupling Gain Effect of Archimedes Screw Turbine Array

更新时间：2025-07-09

- Study on Coupling Gain Effect of Archimedes Screw Turbine Array
- Vol. 57, Issue 4, Pages: 133-141(2023)
- 作者机构：
  
  西安交通大学能源与动力工程学院,西安,710049
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb202304014
  CLC： TK730
- Online First：10 April 2023，
  
  Published：2023
- 稿件说明：
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GUO Penghua, WANG Yiyuan, ZHANG Dayu, et al. Study on Coupling Gain Effect of Archimedes Screw Turbine Array[J]. 2023, 57(4): 133-141.
DOI：

GUO Penghua, WANG Yiyuan, ZHANG Dayu, et al. Study on Coupling Gain Effect of Archimedes Screw Turbine Array[J]. 2023, 57(4): 133-141. DOI： 10.7652/xjtuxb202304014.

摘要

为了探究阿基米德水轮机阵列间的耦合增益效应

从而实现对深海超低速海流能的高效利用

对阿基米德水轮机阵列进行了研究

建立了阿基米德水轮机的数值模型

并通过水槽实验验证了模型的可靠性

分析了不同排布方式下轮机的能量利用系数和启动力矩系数。结果表明:当并联阵列间距为1.3倍直径时

受耦合增益效应影响

能量利用系数、启动力矩系数均出现峰值

为并联阵列的最佳距离; 当串联阵列间距大于5倍直径时

下游轮机的能量利用系数恢复到孤立轮机的70%以上且恢复趋势变缓

为串联阵列的最佳距离; 反向旋转布置的三角形阵列

当列间距为1.2倍直径时耦合增益效果较好

可使能量利用系数提升8%

并获得更大的能量密度。研究结果可为该类型轮机的优化布置策略提供一定的参考。

Abstract

Aiming to explore the coupling gain effect of Archimedes screw turbine array and utilize the low-speed current energy in deep water

an experimentally verified numerical model was developed to study the power coefficient and torque coefficient of Archimedes screw turbines under different arrangements. The results indicate that when the spacing of the parallel array is 1.3d

the power coefficient and torque coefficient reach peak values due to the coupling effect

which is the optimal distance of the parallel array. When the spacing of the series array is 5d

the power coefficient of the downstream turbine recovers to 70% of that of the isolated turbine. After that

the recovery trend slows down

indicating that the spacing of 5d is the optimal distance of the series array. The triangular array with reverse rotation can achieve better performance when the column spacing is 1.2d due to the coupling gain

and the maximum power coefficient can increase by 8%

improving the energy density. These results can provide reference for optimal arrangements of the Archimedes screw turbine array.

关键词

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references

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