Abstract
In recent years vibration in steam pipe lines in power stations has been of more frequent occurrence, causing in one or two cases a temporary limitation of the load-carrying capacity of the plant until the trouble could be either minimized or eliminated.
The present report summarizes the information collected by an exhaustive inquiry covering all the present available sources of information. It deals with the prevalence of the trouble, its nature and effects, arriving at the conclusion that it is in some way associated with the use of corrugated piping, which has been increasingly used as a result of the more stringent flexural requirements of modern pipe layouts.
The remedial measures so far employed are described; but these have been hampered by a lack of knowledge of the fundamental cause of the trouble and have been applied haphazardly.
The conclusion drawn from the inquiry is that a prima facie case exists for special research being undertaken, but that it is difficult to see how it could be carried out at the present time. Suggestions are made regarding the form which the research work might take; but in the meantime the report is published in the hope that the additional publicity may result in further information being obtained, which will assist in the solution of a complicated and difficult problem.
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