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Challenges to turbine development
12 July, 2007
The 14 Francis turbine units installed in the left power house at China's Three Gorges project were all commissioned successfully during the period June 2003 to September 2005, functioning as expected. However, all these turbines have developed a pattern of damage mainly on the guide-vanes which has never before been reported. Here S C Li, S H Liu and Y L Wu provide a brief description of damage observations, together with analysis of possible causes
