The failure of the Dartmouth turbine casing

John W Price

doi:10.1016/S0308-0161(98)00048-9

The failure of the Dartmouth turbine casing

John W Price

Mechanical & Aerospace Engineering

Research output: Contribution to journal › Article › Research › peer-review

Abstract

The 180 MW(e) Dartmouth turbine casing failed due to a water hammer transient in May 1990. This paper describes the failure of the turbine casing, which acts as a pressure vessel and was failed by the overload transient. The overload caused 12 separate low ductility failures at the stay vanes which form part of the pressure containment. This paper assesses the pressure transient in the turbine, the stress conditions which existed in the structure and outlines the fracture mechanics conditions of the failure.

Original language	English
Pages (from-to)	559-566
Number of pages	8
Journal	International Journal of Pressure Vessels and Piping
Volume	75
Issue number	7
DOIs	https://doi.org/10.1016/S0308-0161(98)00048-9
Publication status	Published - 1998

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10.1016/S0308-0161(98)00048-9

Cite this

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title = "The failure of the Dartmouth turbine casing",

abstract = "The 180 MW(e) Dartmouth turbine casing failed due to a water hammer transient in May 1990. This paper describes the failure of the turbine casing, which acts as a pressure vessel and was failed by the overload transient. The overload caused 12 separate low ductility failures at the stay vanes which form part of the pressure containment. This paper assesses the pressure transient in the turbine, the stress conditions which existed in the structure and outlines the fracture mechanics conditions of the failure.",

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