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	水轮机汽蚀系数的计算误差分析
	甘雪峰¹, 王培斌¹, 武成烈²
	1.西北农业大学水利与建筑工程学院;2.陕西省水利厅

摘要:

利用水力学理论、汽蚀机理、水轮机叶片内水流各速度的矢量关系以及水轮机的运行工况，对各种不确切性假设带来的计算误差进行定量分析，并总结出各种计算误差的总误差趋势——目前的推导计算使汽蚀系数σ值偏大。

关键词: 水轮机汔蚀系数误差分析

DOI：

分类号:TV734.737

基金项目:

An Analysis of Error in the Calculafion of Cavitation Coefficient of Water Turbine

Abstract:

Using hydraulics theory, mechanism of cavitation produced by turbine blade, vector relationship among various stream velocity in turbine blade and operation of water turbine. The calculation error from inexact hypotheses is quantitatively analysed. The general calculation error of cavitation coefficienteis tending to increase at present.

Key words: water turbine,cavitation coefficient,error analysis,