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首页> 外文期刊>Energy >Standard module hydraulic technology: A novel geometrical design methodology and analysis for a low-head hydraulic turbine system, part Ⅱ: Turbine stator-blade and runner-blade geometry, and off-design considerations
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Standard module hydraulic technology: A novel geometrical design methodology and analysis for a low-head hydraulic turbine system, part Ⅱ: Turbine stator-blade and runner-blade geometry, and off-design considerations

机译：标准模块液压技术：一种新型几何设计方法和低头液压涡轮机系统的分析，第二部分：涡轮定子 - 叶片和赛道 - 叶片几何和偏移考虑

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摘要

Low-head hydropower has the potential to generate a significant amount of electricity from rivers that traditionally were unsuitable for developing hydraulic power plants.To effectively and eco-friendly utilizing those renewable energy resources,a Standard Modular Hydropower Technology was proposed by the U.S.Department of Energy (DOE) in 2017.This new concept offers a new paradigm for small hydropower technology development based on the premise of standardization,modularity,and preservation of stream functionality.This technology has three primary modules: Generation Module,Passage Modules,Foundation Modules ,and this series of papers presents a general design methodology fdr the generation module.The first part of this series of papers covered the basic development of the design methodology and some fundamental geometrical considerations.This second part of the papers presents additional numerical simulation contents on several blade configurations,including stator blade inlet angle,runner blade solidity,and runner blade thickness considerations,and how those geometrical configurations affect the overall performance and fluid behaviors.Additionally,how those geometrical configurations influence the overall off-design performance is also investigated with comprehensive performance maps analysis.With improved blade geometrical configurations,the test models have a vast off-design potential with 23%-1220% operating range and over 75% hydraulic efficiency.
机译：低头水电有可能从传统上不适合开发液压发电厂的河流中产生大量电力。有效又环保利用这些可再生能源资源，由USDEPART提出标准的模块化水电技术2017年的能量（DOE）。这一新概念为小型水电技术开发提供了一种新的范式，基于流式功能的标准化，模块化和保存的前提。本技术有三个主要模块：生成模块，通道模块，基础模块，这一系列论文提供了一般的设计方法。这一系列论文的第一部分涵盖了设计方法的基本发展和一些基本的几何考虑。这篇论文的第二部分呈现了额外的数值模拟内容刀片配置，包括定子刀片入口角度，跑步者刀片稳定度和跑步者叶片厚度考虑，以及那些几何配置如何影响整体性能和流体行为。加法，这些几何配置如何影响整体缺失的场合性能，并通过综合性能图分析研究了整体偏移性能。从而改善了刀片几何配置，测试模型具有巨大的偏远电位，操作范围为23％-1220％，液压效率超过75％。

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