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Experimental investigation on analogous U-shaped tube water seal in front of pressurizer safety valve

  • Xi'an Jiaotong University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Water formation test loop was constructed with a scale ratio of 1:1 to investigate the condensation and analogous U-shaped tube water seal in front of pressurizer safety valve. The water seal features were investigated under different pressure and various concentrations of non-condensable gases. The test data reveals that water seal can completely formed even in the presence of non-condensable gases in high content. Water formation time reduced when increased system pressure and refilling of the pipe is much more rapid than the initial one due to a lower content of non-condensable gases remaining in the steam phase. A simple criterion to determine the water seal starting point has been put forward in this paper. The strong natural convection in the water seal keeps the temperature difference lower than 20K.

Original languageEnglish
Title of host publicationThermal-Hydraulics
PublisherAmerican Society of Mechanical Engineers (ASME)
ISBN (Electronic)9780791850039
DOIs
StatePublished - 2016
Event2016 24th International Conference on Nuclear Engineering, ICONE 2016 - Charlotte, United States
Duration: 26 Jun 201630 Jun 2016

Publication series

NameInternational Conference on Nuclear Engineering, Proceedings, ICONE
Volume3

Conference

Conference2016 24th International Conference on Nuclear Engineering, ICONE 2016
Country/TerritoryUnited States
CityCharlotte
Period26/06/1630/06/16

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