Structure interaction due to thermal bowing of shrouds in steam generator of gas-cooled reactor

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Description

The design of the gas-cooled reactor steam generators includes a tube bundle support plate system which restrains and supports the helical tubes in the steam generator. The support system consists of an array of radially oriented, perforated plates through which the helical tube coils are wound. These support plates have tabs on their edges which fit into vertical slots in the inner and outer shrouds. When the helical tube bundle and support plates are installed in the steam generator, they most likely cannot fit evenly between the inner and outer shrouds. This imperfection leads to different gaps between two extreme ... continued below

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Pages: 8

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Woo, H.H. January 1, 1981.

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Description

The design of the gas-cooled reactor steam generators includes a tube bundle support plate system which restrains and supports the helical tubes in the steam generator. The support system consists of an array of radially oriented, perforated plates through which the helical tube coils are wound. These support plates have tabs on their edges which fit into vertical slots in the inner and outer shrouds. When the helical tube bundle and support plates are installed in the steam generator, they most likely cannot fit evenly between the inner and outer shrouds. This imperfection leads to different gaps between two extreme sides of the tube bundle and the shrouds. With different gaps through the tube bundle height, the helium flow experiences different cooling effects from the tube bundle. Hence, the temperature distribution in the shrouds will be non-uniform circumferentially since their surrounding helium flow temperatures are varied. These non-uniform temperatures in the shrouds result in the phenomenon of thermal bowing of shrouds.

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Pages: 8

Notes

NTIS, PC A02/MF A01.

Source

  • 6. international conference on structural mechanics in reactor technology, Paris, France, 17 Aug 1981

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  • Report No.: UCRL-85617
  • Report No.: CONF-810801-46
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 6348455
  • Archival Resource Key: ark:/67531/metadc1209102

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • January 1, 1981

Added to The UNT Digital Library

  • July 5, 2018, 11:11 p.m.

Description Last Updated

  • Oct. 11, 2018, 1:21 p.m.

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Woo, H.H. Structure interaction due to thermal bowing of shrouds in steam generator of gas-cooled reactor, article, January 1, 1981; United States. (digital.library.unt.edu/ark:/67531/metadc1209102/: accessed October 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.