大中型混流式水轮机转轮叶型现场测绘方法及其分析与应用

本文作者结合工作实践,对目前我国大中型混流式水轮机转轮叶型现场测绘的各种方法作了介绍和比较,对叶型实测技术的应用范围和叶型实测中若干实用技术问题作了论述。提出了叶型实测精度的估算方法和提高实测精度的途径。此外,还就叶型实测后转轮的修型和修型后的经济效益的确定方法作了阐述。

The Analysis and Application of Methods in Site Survey on Blade Shape of Runner in Large and Middle-Sized Francis Turbine

According to the practical experience of author, this paper introduces and compares the various methods in site survey about the blade shape of runner for large and middle-sized Francis turbine in China. The application region and some useful techniques of this kind of site survey for biade shape are described. A evaluation method of accuracy evaluation and an approach of improve accuracy are presented. Besides, the method of trimming blade shape and determining the economic benefit after trimming are also discussed.