Failure analysis of a pelton impeller

A new topic on « http://www.sciencedirect.com/« .This paper, published in « Engineering Failure Analysis« , presents the analysis of a 16-bucket Pelton impeller from a hydroelectric plant in Colombia, a plant with two turbo generators with a nominal capacity of 2.33 MW each. Multiple cracks were detected one year subsequent to geometry reconstruction welding repair.

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