Influence of control rod worth interactions on LMFBR control systems design

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These design criteria are interpreted to define the reactivity worth requirements for the primary and secondary control systems in terms of the minimum control systems capability under faulted conditions which will assure that the reactor can be safely shut down. The faulted conditions are postulated to occur upon the simultaneous failure of one of the redundant safety control systems to scram, a stuck rod in the scramming system, and a reactivity insertion resulting from the uncontrolled withdrawal of the highest worth control rod inserted in the reactor. The resulting positive reactivity insertion from the rod runout envelopes other postulated operational ... continued below

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Pages: 5

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Lake, J.A.; Rittenberger, R.V. & Rathbun, R.W. January 1, 1980.

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Description

These design criteria are interpreted to define the reactivity worth requirements for the primary and secondary control systems in terms of the minimum control systems capability under faulted conditions which will assure that the reactor can be safely shut down. The faulted conditions are postulated to occur upon the simultaneous failure of one of the redundant safety control systems to scram, a stuck rod in the scramming system, and a reactivity insertion resulting from the uncontrolled withdrawal of the highest worth control rod inserted in the reactor. The resulting positive reactivity insertion from the rod runout envelopes other postulated operational faults and is imposed on the shutdown requirements of both the primary and secondary control systems. In order to determine the minimum shutdown capability, an evaluation is made of the worst combination of control rod runout (reactivity fault) and stuck rod worth.

Physical Description

Pages: 5

Notes

Dep. NTIS, PC A02/MF A01.

Source

  • American Nuclear Society annual meeting, Las Vegas, NV, USA, 8 Jun 1980

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  • Report No.: CONF-800607-5
  • Grant Number: AC15-76CL02395
  • Office of Scientific & Technical Information Report Number: 5424893
  • Archival Resource Key: ark:/67531/metadc1070648

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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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  • January 1, 1980

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

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  • April 4, 2018, 12:40 p.m.

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Lake, J.A.; Rittenberger, R.V. & Rathbun, R.W. Influence of control rod worth interactions on LMFBR control systems design, article, January 1, 1980; United States. (digital.library.unt.edu/ark:/67531/metadc1070648/: accessed December 10, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.