A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Flushing Efficiency of Steam-Generator Tube-Tubesheet Assemblies with Restricted Crevices. Final Report (PWR)
The objective of this project was to determine the effectiveness of steam generator tubesheet crevice flushing operations when access to the crevice is restricted by particulate matter within the crevice or by a hard sludge pile on top of the tubesheet. The methodology for forming a hard, stable sludge pile was also developed. The testing indicated that the most effective flushing procedures were similar to those found to be most effective in testing of unrestricted crevices. However, the effectiveness of a given depressurization cycle was generally lower than in the unrestricted crevice testing and more cycles were required to obtain an equivalent extent of dilution. The testing produced some hideout return directly from the hard sludge and was successful in partially breaking up a sludge pile composed entirely of magnetite. (ERA citation 08:038908)
Flushing Efficiency of Steam-Generator Tube-Tubesheet Assemblies with Restricted Crevices. Final Report (PWR)
The objective of this project was to determine the effectiveness of steam generator tubesheet crevice flushing operations when access to the crevice is restricted by particulate matter within the crevice or by a hard sludge pile on top of the tubesheet. The methodology for forming a hard, stable sludge pile was also developed. The testing indicated that the most effective flushing procedures were similar to those found to be most effective in testing of unrestricted crevices. However, the effectiveness of a given depressurization cycle was generally lower than in the unrestricted crevice testing and more cycles were required to obtain an equivalent extent of dilution. The testing produced some hideout return directly from the hard sludge and was successful in partially breaking up a sludge pile composed entirely of magnetite. (ERA citation 08:038908)
Flushing Efficiency of Steam-Generator Tube-Tubesheet Assemblies with Restricted Crevices. Final Report (PWR)
J. G. Cleary (author) / G. G. Sweeney (author) / A. J. Baum (author) / G. Economy (author)
1983
84 pages
Report
No indication
English
Reactor Engineering & Nuclear Power Plants , PWR Type Reactors , Steam Generators , Tubes , Supports , Surface Cleaning , Chemical Reactions , Deposits , Inconel 600 , Temperature Dependence , Pressure Dependence , Chemical Composition , Test Facilities , Water Chemistry , Magnetite , Efficiency , ERDA/210200
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