Saturday, June 21, 2008

Leak Before Break: Vallecitos Boiling Water Reactor, 1962

" ... an account of Government sponsored work."

Here are a few pages selected from an extensive compilation of work by many.

The Vallecitos Boiling Water Reactor had a very high leak rate from this pipe crack that resulted from thermal stressing where cold feedwater was mixed with hot circulating water. It is very sad that the report is silent on the leak rate as well as the release of radioactivity to the environs (the VBWR was operating with leaking fuel). However, it is a valuable disclosure.

The last slide includes the fascinating discussion by Phil Bray of his TIGER code and the PHILCO 2000.

Click on each slide to enlarge and then hit y0ur back button to move on.

















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