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Allcuts: a fast, comprehensive fault tree analysis code

Description: A description, user instructions, and a source program listing are presented for ALLCUTS, a Fortran computer code for fault tree analysis. The code was specifically designed to be easy to use as well as fast, versatile, and powerful. It may easily be modified by a moderately skilled programer to fit the variable needs of the user and the capabilities of his computer. A code, BRANCH, for determining input data gate and bottom event interrelationships is also presented. (7 references) (auth)
Date: July 1, 1975
Creator: Van Slyke, W.J. & Griffing, D.E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Fission product decay heat studies of December 15, 1975

Description: The purpose of the project described is to study fission product decay heating rates, with emphasis on short decay times. Isothermal calorimetry is used to perform benchmark experiments for decay times between 20 seconds and 2000 seconds with an absolute accuracy of better than 5 percent. Experiments are being done with $sup 235$U and will be done eventually with $sup 239$Pu. Thermal neutron spectra are used for the irradiations. The project was initiated in July 1974. Final results for $sup 23… more
Date: February 26, 1976
Creator: Yarnell, J.L. & Bendt, P.J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Monthly progress report for December 1975 for the HTGR safety studies for the Division of Technical Review U.S. Nuclear Regulatory Commission

Description: Brief highlights are presented for the following activities: HEXERI code development; FLOOIS code development; analysis of thermal barrier cover plates; and determination of physical property values for helium-air mixtures. (JWR)
Date: January 1, 1976
Creator: Sanders, J.P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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DETERMINATION OF INVENTORIES AND POWER DISTRIBUTIONS FOR THE NSBR.

Description: This memo presents the details of the methodology for developing fuel inventories for the NBSR along with power distributions predicted with this set of inventories. Several improvements have been made to the MCNP model of the NBSR since a set of calculations was performed in 2002 in support of the NBSR relicensing and SAR update. One of the most significant changes in the model was to divide the fuel elements into upper and lower halves so the effects of uneven burn between the two halves (due… more
Date: September 12, 2005
Creator: Hanson, A. L. & DIAMOND, D. J.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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EXPERIENCE USING PHENOMENA IDENTIFICATION AND RANKING TECHNIQUE (PIRT) FOR NUCLEAR ANALYSIS.

Description: THE PHENOMENA IDENTIFICATION AND RANKING TECHNIQUE (PIRT) IS A SYSTEMATIC WAY OF GATHERING INFORMATION FROM EXPERTS ON A SPECIFIC SUBJECT, AND RANKING THE IMPORTANCE OF THE INFORMATION, IN ORDER TO MEET SOME DECISION MAKING OBJECTIVE. IT HAS BEEN APPLIED TO MANY NUCLEAR TECHONLOGY ISSUES INCLUDING NUCLEAR ANALYSIS IN ORDER TO HELP GUIDE RESEARCH OR DEVELOP REGULATORY REQUIREMENTS.
Date: June 30, 2006
Creator: DIAMOND, DAVID J.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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End to hypothetical safety

Description: From conference on fast reactor safety; Los Angeles, California, USA (2 Apr 1974). It is shown that the design of safety features for hypothetical accidents in LMFBR's has in some cases detracted from the real functional safety of the plants. An alternative approach to the question of safety in LMFBR's is suggested. (JWR)
Date: January 1, 1973
Creator: Graham, J.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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