在卡普兰轮机中对鱼类通道条件进行测试平台评估的可行性研究
Pedro Romero-Gomez1, Aljon Salalila2, Z Daniel Deng2,3
1Research and Development, Andritz HYDRO GmbH, Linz, Austria.
Heliyon
|March 15, 2024
概括
这项研究量化了卡普兰轮机中的鱼类受伤风险,使用测试装置中的Sensor Fish Mini设备. 轮机的设计可以改进,使鱼类通过更安全,因为压力下降和碰撞率随网头变化而变化.
科学领域:
- 液压工程 液压工程 液压工程
- 鱼类生态 鱼类生态学
- 轮机的设计设计
背景情况:
- 评估水力发电轮机中的鱼类受伤风险对于改善鱼类生存能力至关重要.
- 目前的方法包括计算机模拟和活鱼测试,试验台实验提供了有价值的中间方法.
- 然而,对于工业应用的试验台评估数据仍然有限.
研究的目的:
- 在卡普兰轮机的物理模型中量化与鱼类相关的液压大小.
- 评估测试装置实验的有效性,以评估鱼类通过条件.
- 为基于证据的轮机几何形状的开发提供数据,以确保鱼类更安全地通过.
主要方法:
- 在商业测试平台上进行实验活动,使用卡普兰轮机的物理模型.
- 利用微型自主传感器设备 (Sensor Fish Mini) 来记录通过过程中的加速,压力和旋转速度.
- 测试了两个操作条件并分析了数据以确定危险的液压压力.
主要成果:
- 低压,跑道碰撞和导管旋转在操作点之间没有显著差异.
- 压力下降和分配器碰撞率与净头部有很大的差异.
- 传感器鱼迷你数据提供了对影响鱼类的液压压力因素的见解.
结论:
- 使用Sensor Fish Mini的测试平台评估可以为提高鱼类安全的水力发电轮机的设计提供信息.
- 这些发现突出了网头对关键鱼通过参数的影响.
- 未来的研究将专注于将试验平台的结果扩展到原型条件及其生物学影响.
相关概念视频
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01:21Design Example: Creating a Hydraulic Model of a Dam Spillway
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